Tootfinder

Three Ways to Double Your Bookshelf Capacity | Lifehacker
https://lifehacker.com/home/three-ways-to-double-your-bookshelf-capacity

Three Ways to Double Your Bookshelf Capacity
If you're a book lover, you know this problem: Your bookshelves are bursting and there's no room for more. Luckily, there are some easy ways to double your bookshelf capacity.

Optimal Hospital Capacity Management During Demand Surges
Felix Parker, Fardin Ganjkhanloo, Diego A. Mart\'inez, Kimia Ghobadi
https://arxiv.org/abs/2403.15738

Optimal Hospital Capacity Management During Demand Surges
Effective hospital capacity management is pivotal for enhancing patient care quality, operational efficiency, and healthcare system resilience, notably during demand spikes like those seen in the COVID-19 pandemic. However, devising optimal capacity strategies is complicated by fluctuating demand, conflicting objectives, and multifaceted practical constraints. This study presents a data-driven framework to optimize capacity management decisions within hospital systems during surge events. Two k…

Ukraine’s DTEK loses 50% of generating capacity, recovery will take 'months': https://benborges.xyz/2024/03/25/ukraines-dtek-loses.html

The asymptotic spectrum distance, graph limits, and the Shannon capacity
David de Boer, Pjotr Buys, Jeroen Zuiddam
https://arxiv.org/abs/2404.16763 https:/…

The asymptotic spectrum distance, graph limits, and the Shannon capacity
Determining the Shannon capacity of graphs is a long-standing open problem in information theory, graph theory and combinatorial optimization. Over decades, a wide range of upper and lower bound methods have been developed to analyze this problem. However, despite tremendous effort, even small instances of the problem have remained open. In recent years, a new dual characterization of the Shannon capacity of graphs, asymptotic spectrum duality, has unified and extended known upper bound metho…

This https://arxiv.org/abs/2310.05794 has been replaced.
link: https://scholar.google.com/scholar?q=a

Computation-Limited Signals: A Channel Capacity Regime Constrained by Computational Complexity
In this letter, we introduce the computational-limited (comp-limited) signals, a communication capacity regime in which the signal time computational complexity overhead is the key constraint -- rather than power or bandwidth -- to the overall communication capacity. We present the Spectro-Computational (SC) analysis, a novel mathematical framework that enhances classic concepts of information theory -- such as throughput, spectral efficiency and capacity -- to account for the signal processing…

This https://arxiv.org/abs/2211.13296 has been replaced.
link: https://scholar.google.com/scholar?q=a

Scaling of Entanglement-Assisted Communication in Amplified Fiber Links
Quantum information processing technology offers several communication strategies, which offer capacity advantages over classical technologies. However, advantages typically arise only in very particular communication scenarios which are of limited use in public networks. Most importantly, striking capacity advantages have so far been found only for cases where the system capacity is way below commercially interesting values. In this work we present a novel scenario where pre-shared entanglemen…

"Dixon looked through his old Twitter threads and blog posts and said, effectively “Boom. Nailed it. No notes. People just need to hear what I have to say.”
He’s a venture capitalist who lacks the capacity to imagine a problem cause by Silicon Valley’s techno-capital machine that can’t best be solved by Silicon Valley’s techno-capital machine. I don’t doubt that he means well. But there are no new ideas in this book. It’s just a rehash of the applause lines he formulated during th…

Read Write Own, Reviewed
Chris Dixon's Read Write Own has a few problems. And the biggest problem is Dixon himself.

An Interactive Decision-Support Dashboard for Optimal Hospital Capacity Management
Felix Parker, Diego A. Mart\'inez, James Scheulen, Kimia Ghobadi
https://arxiv.org/abs/2403.15634

An Interactive Decision-Support Dashboard for Optimal Hospital Capacity Management
Data-driven optimization models have the potential to significantly improve hospital capacity management, particularly during demand surges, when effective allocation of capacity is most critical and challenging. However, integrating models into existing processes in a way that provides value requires recognizing that hospital administrators are ultimately responsible for making capacity management decisions, and carefully building trustworthy and accessible tools for them. In this study, we de…

Het fregat Zr. Ms. Tromp was even zichtbaar voor iedereen in het Suezkanaal.
#marine …

Ship HNLMS TROMP (Military Ops) Registered in Netherlands - Vessel details, Current position and Voyage information - IMO 4601008, MMSI 244899000, Call sign PAET
Vessel HNLMS TROMP is a Military Ops, Registered in Netherlands. Discover the vessel's particulars, including capacity, machinery, photos and ownership. Get the details of the current Voyage of HNLMS TROMP including Position, Port Calls, Destination, ETA and Distance travelled - IMO 4601008, MMSI 244899000, Call sign PAET

‼️ Gute Nachrichten:
"Two countries in Europe are powered by 100% renewable energy as wind capacity soars
Seven countries now generate 100 per cent of their electricity from renewable energy - two are in Europe."
#Energiewende

Wind energy saw record growth in 2023, report finds
Seven countries now generate 100 per cent of their electricity from renewable energy - two are in Europe.

This https://arxiv.org/abs/2310.04846 has been replaced.
link: https://scholar.google.com/scholar?q=a

Soft finger rotational stability for precision grasps
Soft robotic fingers can safely grasp fragile or variable form objects, but their force capacity is limited, especially with less contact area: precision grasps and when objects are smaller or not spherical. Current research is improving force capacity through mechanical design by increasing contact area or stiffness, typically without models which explain soft finger force limitations. To address this, this paper considers two types of soft grip failure, slip and dynamic rotational stability. …

Document: Microsoft added 500 megawatts of data center capacity since July 2023 and topped five gigawatts of total capacity in the H1 of its latest fiscal year (Eugene Kim/Business Insider)
https://www.businessinsider.com/microsoft-plan-do…

Microsoft's astounding plan to triple data-center capacity for AI boom
The company wants to quickly double, and then triple, its data-center capacity, according to the confidential presentation.

The asymptotic spectrum distance, graph limits, and the Shannon capacity
David de Boer, Pjotr Buys, Jeroen Zuiddam
https://arxiv.org/abs/2404.16763 https:/…

The asymptotic spectrum distance, graph limits, and the Shannon capacity
Determining the Shannon capacity of graphs is a long-standing open problem in information theory, graph theory and combinatorial optimization. Over decades, a wide range of upper and lower bound methods have been developed to analyze this problem. However, despite tremendous effort, even small instances of the problem have remained open. In recent years, a new dual characterization of the Shannon capacity of graphs, asymptotic spectrum duality, has unified and extended known upper bound metho…

How do you spell "boondoggle with someone else's (our) money"?
You spell it ICANN Grant Program.
WTF does ICANN's proper scope have to do with:
- Providing capacity development.
- Advancing developments, innovation, and open standards for the benefit of the Internet community.
- Contributing to diversity, participation, and inclusion across stakeholder communities and geographic regions.
The answer, of course, is "nothing" - it&…

Kari Lake seeks to forfeit her defense in defamation case | The Hill
https://thehill.com/homenews/campaign/4558409-kari-lake-seeks-to-forfeit-her-defense-in-defamation-case/

Kari Lake seeks to forfeit her defense in defamation case
Attorneys for Arizona Senate candidate Kari Lake moved to forfeit a defamation case against her on Tuesday, choosing not to contest the allegations that she defamed a state election worker after the 2022 election. Maricopa County Recorder Stephen Richer (R) sued Lake last year in his personal capacity, claiming Lake defamed him after she refused…

Capacity Provisioning Motivated Online Non-Convex Optimization Problem with Memory and Switching Cost
Rahul Vaze, Jayakrishnan Nair
https://arxiv.org/abs/2403.17480

Capacity Provisioning Motivated Online Non-Convex Optimization Problem with Memory and Switching Cost
An online non-convex optimization problem is considered where the goal is to minimize the flow time (total delay) of a set of jobs by modulating the number of active servers, but with a switching cost associated with changing the number of active servers over time. Each job can be processed by at most one fixed speed server at any time. Compared to the usual online convex optimization (OCO) problem with switching cost, the objective function considered is non-convex and more importantly, at eac…

Bad news for the Wendy’s that I usually go to: there’s a 5 Guys in the same mall area and it’s worth me driving the extra 2minutes, and they’ll greet me by joyfully shouting my name like Norm from “Cheers” (I may have gone to this 5 Guys too many times and tipped too well 😂)
(Added context: https://www.

Wendy's Is Introducing Uber-Style 'Surge Pricing'
Kirk Tanner, the new CEO and president of Wendy’s, shared with analysts his various plans to increase company profits, including investing in digital menu boards that will have the capacity to display dynamic pricing that fluctuates throughout the day by 2025. Here's what customers need to know.

20th Anniversary – probably
In 2004 I found myself unemployed. By some strange coincidence this morning I read a post from Ben Parfitt "Thanks for the Great Ride". It seems that just as I was looking for a new job he had found one: "my new capacity as a resource policy analyst with the Canadian Centre for Policy Alternatives, BC Office." I wasn't exactly clear on the precise date of either event, so I went looking in my filing cabinet and come across this docume…

20th Anniversary – probably
In 2004 I found myself unemployed. By some strange coincidence this morning I read a post from Ben Parfitt “Thanks for the Great Ride”. It seems that just as I was looking for a new job…

⚡ A Rarely Used Technique Could Double U.S. Grid Capacity
https://oilprice.com/Energy/Energy-General/A-Rarely-Used-Technique-Could-Double-US-Grid-Capacity.html

A Rarely Used Technique Could Double U.S. Grid Capacity
A rarely used technique called "advanced reconductoring" could rapidly upgrade the U.S. grid, doubling its capacity and enabling more renewable energy projects.

UK Defense Ministry: Russia might lose at least 10% of its refinery capacity after drone attacks: https://benborges.xyz/2024/03/23/uk-defense-ministry.html

From a Kotaku interview with the developer of Pacific Drive (which is brilliant btw. you should check it out) https://kotaku.com/pacific-drive-steam-ps5-survival-crafting-sim-1851282916
(Edit: It's not the review. You still should play the game!)

Pacific Drive Is Unlike Anything You've Ever Played On PS5
Ironwood Studios discusses how its car-crafting roguelite plays with the horror of breaking down

This https://arxiv.org/abs/2404.15736 has been replaced.
link: https://scholar.google.com/scholar?q=a

What Makes Multimodal In-Context Learning Work?
Large Language Models have demonstrated remarkable performance across various tasks, exhibiting the capacity to swiftly acquire new skills, such as through In-Context Learning (ICL) with minimal demonstration examples. In this work, we present a comprehensive framework for investigating Multimodal ICL (M-ICL) in the context of Large Multimodal Models. We consider the best open-source multimodal models (e.g., IDEFICS, OpenFlamingo) and a wide range of multimodal tasks. Our study unveils several …

Man I'm really feeling how broken our medical system is today.
A friend has stage 4 pancreatic cancer, because stuff hurt but she was too poor (and had too much prior medical debt from being poor to feel like she had access to care)
My sibling in law has a canker sore that's probably infected. But urgent care was over capacity (so they just put a sign on the front desk saying closed), and all the other urgent cares in the area were closed. At 6pm.

This https://arxiv.org/abs/2112.02957 has been replaced.
link: https://scholar.google.com/scholar?q=a

Simultaneous measurements of nuclear spin heat capacity, temperature and relaxation in GaAs microstructures
Heat capacity of the nuclear spin system (NSS) in GaAs-based microstructures has been shown to be much greater than expected from dipolar coupling between nuclei, thus limiting the efficiency of NSS cooling by adiabatic demagnetization. It was suggested that quadrupole interaction induced by some small residual strain could provide this additional reservoir for the heat storage. We check and validate this hypothesis by combining nuclear spin relaxation measurements with adiabatic remagnetizatio…

"#AI has the capacity to conjure convincing human simulacra from trillions of bytes of data; and, by doing so, to upend centuries of assumptions around truth, identity and our shared experiences of reality."
"We should make it a mark of shame, not pride, when you make your AI more #human.&quot…

Daniel Dennett: 'Why civilisation is more fragile than we realised'
Before his recent death, the influential philosopher Daniel Dennett spoke to the BBC about his why he saw new dangers from AI.

How do you spell "boondoggle with someone else's (our) money"?
You spell it ICANN Grant Program.
WTF does ICANN's proper scope have to do with:
- Providing capacity development.
- Advancing developments, innovation, and open standards for the benefit of the Internet community.
- Contributing to diversity, participation, and inclusion across stakeholder communities and geographic regions.
The answer, of course, is "nothing" - it&…

This https://arxiv.org/abs/2404.04496 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csSE_…

Towards Better Graph Neural Neural Network-based Fault Localization Through Enhanced Code Representation
Automatic software fault localization plays an important role in software quality assurance by pinpointing faulty locations for easier debugging. Coverage-based fault localization, a widely used technique, employs statistics on coverage spectra to rank code based on suspiciousness scores. However, the rigidity of statistical approaches calls for learning-based techniques. Amongst all, Grace, a graph-neural network (GNN) based technique has achieved state-of-the-art due to its capacity to preser…

This https://arxiv.org/abs/2402.04880 has been replaced.
link: https://scholar.google.com/scholar?q=a

Combining Cloud and Mobile Computing for Machine Learning
Although the computing power of mobile devices is increasing, machine learning models are also growing in size. This trend creates problems for mobile devices due to limitations like their memory capacity and battery life. While many services, like ChatGPT and Midjourney, run all the inferences in the cloud, we believe a flexible and fine-grained task distribution is more desirable. In this work, we consider model segmentation as a solution to improving the user experience, dividing the computa…

Good news: the massive capacity of solar PV expected to be installed globally this year might be enough on its own to cover all the growth in the world's electricity demand; pushing down fossil electricity.
And then there's new wind, and a bit of hydro and nuclear.
By @… :
600 GWdc new solar electricity capacity adde…

"Italy adds 2,022 MW/3,836 MWh of distributed storage capacity in 2023"
#Italy #Batteries #Energy

Italy adds 2,022 MW/3,836 MWh of distributed storage capacity in 2023
Italy hit 3,367 MW/6,645 MWh of cumulative distributed storage capacity at the end of December. The new figures indicate that lithium-ion technology powers most storage systems, at 516,475 units in total.

This https://arxiv.org/abs/2404.15735 has been replaced.
link: https://scholar.google.com/scholar?q=a

Replacing Cryptopuzzles with Useful Computation in Blockchain Proof-of-Work Protocols
Proof-of-Work (PoW) blockchains have emerged as a robust and effective consensus mechanism in open environments like the Internet, leading to widespread deployment with numerous cryptocurrency platforms and substantial investments. However, the current PoW implementation primarily focuses on validating the discovery of a winning nonce. Exploring the notion of replacing cryptographic puzzles with useful computing tasks becomes compelling, given the substantial computational capacity of blockchai…

Ukrhydroenergo: Dnipro Hydroelectric Power Plant lost a third of generation capacity after Russian strike: https://benborges.xyz/2024/03/23/ukrhydroenergo-dnipro-hydroelectric.html

This https://arxiv.org/abs/2305.00806 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Electric Vehicle Supply Equipment Location and Capacity Allocation for Fixed-Route Networks
Electric vehicle (EV) supply equipment location and allocation (EVSELCA) problems for freight vehicles are becoming more important because of the trending electrification shift. Some previous works address EV charger location and vehicle routing problems simultaneously by generating vehicle routes from scratch. Although such routes can be efficient, introducing new routes may violate practical constraints, such as drive schedules, and satisfying electrification requirements can require dramatic…

This https://arxiv.org/abs/2401.05200 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csHC_…

Knowledge Sharing in Manufacturing using Large Language Models: User Evaluation and Model Benchmarking
Recent advances in natural language processing enable more intelligent ways to support knowledge sharing in factories. In manufacturing, operating production lines has become increasingly knowledge-intensive, putting strain on a factory's capacity to train and support new operators. This paper introduces a Large Language Model (LLM)-based system designed to retrieve information from the extensive knowledge contained in factory documentation and knowledge shared by expert operators. The system a…

Distribution-Free Fair Federated Learning with Small Samples
Qichuan Yin, Junzhou Huang, Huaxiu Yao, Linjun Zhang
https://arxiv.org/abs/2402.16158 https://…

Distribution-Free Fair Federated Learning with Small Samples
As federated learning gains increasing importance in real-world applications due to its capacity for decentralized data training, addressing fairness concerns across demographic groups becomes critically important. However, most existing machine learning algorithms for ensuring fairness are designed for centralized data environments and generally require large-sample and distributional assumptions, underscoring the urgent need for fairness techniques adapted for decentralized and heterogeneous …

This https://arxiv.org/abs/2401.06125 has been replaced.
link: https://scholar.google.com/scholar?q=a

Improved Capacity Outer Bound for Private Quadratic Monomial Computation
In private computation, a user wishes to retrieve a function evaluation of messages stored on a set of databases without revealing the function's identity to the databases. Obead \emph{et al.} introduced a capacity outer bound for private nonlinear computation, dependent on the order of the candidate functions. Focusing on private \emph{quadratic monomial} computation, we propose three methods for ordering candidate functions: a graph edge-coloring method, a graph-distance method, and an entrop…

5/7
The herb's benefits extend into physical health, where it serves as a natural endurance enhancer. Athletes and fitness enthusiasts might find Rhodiola particularly beneficial, as studies suggest its intake before physical activities can significantly increase stamina and recovery rates. Its ability to enhance oxygen uptake and aerobic capacity is a testament to Rhodiola's role in promoting physical health and performance.

Efficient Online Learning for Networks of Two-Compartment Spiking Neurons
Yujia Yin, Xinyi Chen, Chenxiang Ma, Jibin Wu, Kay Chen Tan
https://arxiv.org/abs/2402.15969 https://arxiv.org/pdf/2402.15969
arXiv:2402.15969v1 Announce Type: new
Abstract: The brain-inspired Spiking Neural Networks (SNNs) have garnered considerable research interest due to their superior performance and energy efficiency in processing temporal signals. Recently, a novel multi-compartment spiking neuron model, namely the Two-Compartment LIF (TC-LIF) model, has been proposed and exhibited a remarkable capacity for sequential modelling. However, training the TC-LIF model presents challenges stemming from the large memory consumption and the issue of gradient vanishing associated with the Backpropagation Through Time (BPTT) algorithm. To address these challenges, online learning methodologies emerge as a promising solution. Yet, to date, the application of online learning methods in SNNs has been predominantly confined to simplified Leaky Integrate-and-Fire (LIF) neuron models. In this paper, we present a novel online learning method specifically tailored for networks of TC-LIF neurons. Additionally, we propose a refined TC-LIF neuron model called Adaptive TC-LIF, which is carefully designed to enhance temporal information integration in online learning scenarios. Extensive experiments, conducted on various sequential benchmarks, demonstrate that our approach successfully preserves the superior sequential modeling capabilities of the TC-LIF neuron while incorporating the training efficiency and hardware friendliness of online learning. As a result, it offers a multitude of opportunities to leverage neuromorphic solutions for processing temporal signals.

A data-based comparison of methods for reducing the peak volume flow rate in a district heating system
Felix Agner, Ulrich Trabert, Anders Rantzer, Janybek Orozaliev
https://arxiv.org/abs/2403.16738

A data-based comparison of methods for reducing the peak volume flow rate in a district heating system
This work concerns reduction of the peak flow rate of a district heating grid, a key system property which is bounded by pipe dimensions and pumping capacity. The peak flow rate constrains the number of additional consumers that can be connected, and may be a limiting factor in reducing supply temperatures when transitioning to the 4th generation of district heating. We evaluate a full year of operational data from a subset of customer meters in a district heating system in Germany. We consider…

Quick unsupervised hyperspectral dimensionality reduction for earth observation: a comparison
Daniela Lupu, Joseph L. Garrett, Tor Arne Johansen, Milica Orlandic, Ion Necoara
https://arxiv.org/abs/2402.16566

Quick unsupervised hyperspectral dimensionality reduction for earth observation: a comparison
Dimensionality reduction can be applied to hyperspectral images so that the most useful data can be extracted and processed more quickly. This is critical in any situation in which data volume exceeds the capacity of the computational resources, particularly in the case of remote sensing platforms (e.g., drones, satellites), but also in the case of multi-year datasets. Moreover, the computational strategies of unsupervised dimensionality reduction often provide the basis for more complicated su…

As part of the Advanced North Atlantic (ANA) collaboration, CANARIE, ESnet, @… , and @… , unveil today a major expansion of 400Gbps transoceanic circuit capacity dedicated to transferring research & education data.
This marks a…

CANARIE, ESnet, GÉANT, and Internet2 Unveil Highest Capacity Transoceanic Connectivity for Research and Education | GÉANT CONNECT Online
400 Gbps Spectrum-based Circuits Deployed on New Subsea Cable System to Advance Global Scientific Collaboration and Innovation WASHINGTON, D.C., March 14, 2024 – Internet2, in a joint effort with CANARIE, the Energy Sciences Network (ESnet), and GÉANT, announced today a major expansion of 400 gigabits per second (Gbps) transoceanic circuit capacity dedicated to transferring research

This https://arxiv.org/abs/2309.16869 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csNI_…

Vidaptive: Efficient and Responsive Rate Control for Real-Time Video on Variable Networks
Real-time video streaming relies on rate control mechanisms to adapt video bitrate to network capacity while maintaining high utilization and low delay. However, the current video rate controllers, such as Google Congestion Control (GCC), are very slow to respond to network changes, leading to link under-utilization and latency spikes. While recent delay-based congestion control algorithms promise high efficiency and rapid adaptation to variable conditions, low-latency video applications have b…

Trimma: Trimming Metadata Storage and Latency for Hybrid Memory Systems
Yiwei Li, Boyu Tian, Mingyu Gao
https://arxiv.org/abs/2402.16343 https://

Trimma: Trimming Metadata Storage and Latency for Hybrid Memory Systems
Hybrid main memory systems combine both performance and capacity advantages from heterogeneous memory technologies. With larger capacities, higher associativities, and finer granularities, hybrid memory systems currently exhibit significant metadata storage and lookup overheads for flexibly remapping data blocks between the two memory tiers. To alleviate the inefficiencies of existing designs, we propose Trimma, the combination of a multi-level metadata structure and an efficient metadata cache…

Minimum-cost paths for electric cars
Dani Dorfman, Haim Kaplan, Robert E. Tarjan, Mikkel Thorup, Uri Zwick
https://arxiv.org/abs/2403.16936 https://…

Minimum-cost paths for electric cars
An electric car equipped with a battery of a finite capacity travels on a road network with an infrastructure of charging stations. Each charging station has a possibly different cost per unit of energy. Traversing a given road segment requires a specified amount of energy that may be positive, zero or negative. The car can only traverse a road segment if it has enough charge to do so (the charge cannot drop below zero), and it cannot charge its battery beyond its capacity. To travel from one…

Branching capacity and Brownian snake capacity
Tianyi Bai, Jean-Fran\c{c}ois Delmas, Yueyun Hu
https://arxiv.org/abs/2402.13735 https://

Branching capacity and Brownian snake capacity
The branching capacity has been introduced by [Zhu 2016] as the limit of the hitting probability of a symmetric branching random walk in $\mathbb Z^d$, $d\ge 5$. Similarly, we define the Brownian snake capacity in $\mathbb R^d$, as the scaling limit of the hitting probability by the Brownian snake starting from afar. Then, we prove our main result on the vague convergence of the rescaled branching capacity towards this Brownian snake capacity. Our proof relies on a precise convergence rate for …

Evolution beats random chance: Performance-dependent network evolution for enhanced computational capacity
Manish Yadav, Sudeshna Sinha, Merten Stender
https://arxiv.org/abs/2403.15869

Evolution beats random chance: Performance-dependent network evolution for enhanced computational capacity
The quest to understand structure-function relationships in networks across scientific disciplines has intensified. However, the optimal network architecture remains elusive, particularly for complex information processing. Therefore, we investigate how optimal and specific network structures form to efficiently solve distinct tasks using a novel framework of performance-dependent network evolution, leveraging reservoir computing principles. Our study demonstrates that task-specific minimal net…

Exploring the Boundaries of Ambient Awareness in Twitter
Pablo Sanchez-Martin, Sonja Utz, Isabel Valera
https://arxiv.org/abs/2403.17776 https://

Exploring the Boundaries of Ambient Awareness in Twitter
Ambient awareness refers to the ability of social media users to obtain knowledge about who knows what (i.e., users' expertise) in their network, by simply being exposed to other users' content (e.g, tweets on Twitter). Previous work, based on user surveys, reveals that individuals self-report ambient awareness only for parts of their networks. However, it is unclear whether it is their limited cognitive capacity or the limited exposure to diagnostic tweets (i.e., online content) that prevents …

This https://arxiv.org/abs/2402.14157 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_ees…

Beyond Diagonal RIS: Key to Next-Generation Integrated Sensing and Communications?
Reconfigurable intelligent surface (RIS) is a promising technology that has the potential to revolutionize wireless systems by introducing unprecedented flexibility and adaptability in the creation of smart wireless channels. Recent research on integrated sensing and communication (ISAC) systems has demonstrated that RIS platforms enable enhanced signal quality, coverage, and link capacity. In this paper, we explore the application of fully-connected beyond diagonal RIS (BD-RIS) to ISAC systems…

This https://arxiv.org/abs/2303.03521 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_sta…

Bayesian Variable Selection for Function-on-Scalar Regression Models: a comparative analysis
In this work, we developed a new Bayesian method for variable selection in function-on-scalar regression (FOSR). Our method uses a hierarchical Bayesian structure and latent variables to enable an adaptive covariate selection process for FOSR. Extensive simulation studies show the proposed method's main properties, such as its accuracy in estimating the coefficients and high capacity to select variables correctly. Furthermore, we conducted a substantial comparative analysis with the main compet…

Communication as a driver of change
A. Fronzetti Colladon
https://arxiv.org/abs/2402.15863 https://arxiv.org/pdf/2402.15863

Communication as a driver of change
Chapter 2 explores the pivotal role of communication as a catalyst for change and its profound influence on human behavior. The focus is on understanding diverse forms of communication and human interaction that propel both individual and collective transformations. Emphasizing the potency of effective communication, the chapter unveils its capacity to unlock dormant mechanisms and unleash untapped potential within individuals. The goal is to illuminate the significant impact of communication i…

6D Movable Antenna Enhanced Wireless Network Via Discrete Position and Rotation Optimization
Xiaodan Shao, Rui Zhang, Qijun Jiang, Robert Schober
https://arxiv.org/abs/2403.17122 …

6D Movable Antenna Enhanced Wireless Network Via Discrete Position and Rotation Optimization
Six-dimensional movable antenna (6DMA) is an effective approach to improve wireless network capacity by adjusting the 3D positions and 3D rotations of distributed antenna surfaces based on the users' spatial distribution and statistical channel information. Although continuously positioning/rotating 6DMA surfaces can achieve the greatest flexibility and thus the highest capacity improvement, it is difficult to implement due to the discrete movement constraints of practical stepper motors. Thus,…

Simulation of hydrogen adsorption in hierarchical silicalite: Role of electrostatics and surface chemistry
Siddharth Gautam, David R. Cole, Zolt\'an Imre Dud\'as, Indu Dhiman
https://arxiv.org/abs/2403.17699

Simulation of hydrogen adsorption in hierarchical silicalite: Role of electrostatics and surface chemistry
Adsorption in nanoporous materials is one strategy that can be used to store hydrogen at conditions of temperature and pressure that are economically viable. Adsorption capacity of nanoporous materials depends on surface area which can be enhanced by incorporating a hierarchical pore structure. We report grand canonical Monte Carlo (GCMC) simulation results on the adsorption of hydrogen in hierarchical models of silicalite that incorporate 4 nm wide mesopores in addition to the 0.5 nm wide micr…

Milan is the latest European city to have a local flexibility market. If I understand it correctly, the customer's system has to be at least 50 kW and able to provide 20 kW of capacity change either up or down. So no place for households yet, but some EV charging hubs might qualify.
https://www.…

This https://arxiv.org/abs/2311.12261 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csRO_…

EnduRL: Enhancing Safety, Stability, and Efficiency of Mixed Traffic Under Real-World Perturbations Via Reinforcement Learning
Human-driven vehicles (HVs) amplify naturally occurring perturbations in traffic, leading to congestion--a major contributor to increased fuel consumption, higher collision risks, and reduced road capacity utilization. While previous research demonstrates that Robot Vehicles (RVs) can be leveraged to mitigate these issues, most such studies rely on simulations with simplistic models of human car-following behaviors. In this work, we analyze real-world driving trajectories and extract a wide ran…

This https://arxiv.org/abs/2404.04496 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csSE_…

Towards Better Graph Neural Neural Network-based Fault Localization Through Enhanced Code Representation
Automatic software fault localization plays an important role in software quality assurance by pinpointing faulty locations for easier debugging. Coverage-based fault localization, a widely used technique, employs statistics on coverage spectra to rank code based on suspiciousness scores. However, the rigidity of statistical approaches calls for learning-based techniques. Amongst all, Grace, a graph-neural network (GNN) based technique has achieved state-of-the-art due to its capacity to preser…

Samsung starts mass production of its 9th-generation 286-layer 3D NAND memory chips, which increases data I/O speeds by 33% compared to 8th-gen 236-layer chips (Nami Matsuura/Nikkei Asia)
https://t.co/fHitgvCXbF

Samsung starts mass production of most advanced NAND memory
286-layer product boosts data storage capacity by 50%, aiding AI

DVD-like optical disc could store 1.6 petabits (or 200 terabytes) on 100 layers
https://www.techspot.com/news/101974-dvd-like-optical-disc-could-store-16-petabits.html

This https://arxiv.org/abs/2402.12734 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csDS_…

On the Permutation Algorithm for Online Facility Assignment on a Line
In the online facility assignment on a line (OFAL) with a set $S$ of $k$ servers and a capacity $c:S\to\mathbb{N}$, each server $s\in S$ with a capacity $c(s)$ is placed on a line and a request arrives on a line one-by-one. The task of an online algorithm is to irrevocably assign a current request to one of the servers with vacancies before the next request arrives. An algorithm can assign up to $c(s)$ requests to each server $s\in S$. In this paper, we show that the competitive ratio of the …

Storage Capacity Evaluation of the Quantum Perceptron using the Replica Method
Mitsuru Urushibata, Masayuki Ohzeki
https://arxiv.org/abs/2404.14785 https:/…

Storage Capacity Evaluation of the Quantum Perceptron using the Replica Method
We investigate a quantum perceptron implemented on a quantum circuit using a repeat until method. We evaluate this from the perspective of capacity, one of the performance evaluation measures for perceptions. We assess a Gardner volume, defined as a volume of coefficients of the perceptron that can correctly classify given training examples using the replica method. The model is defined on the quantum circuit. Nevertheless, it is straightforward to assess the capacity using the replica method, …

My home fileserver has 11 drives in it but some of them are very old and very small (cast-offs) so the total used data is only ~3½TiB.
For some upcoming tricky stuff I'm doing I decided I wanted an extra local set of backups as all my other backups are remote.
So I've ordered one extra HDD at best £/TB I could find and as a result it alone is 12TB in capacity.

Computing the EHZ capacity is NP-hard
Karla Leipold, Frank Vallentin
https://arxiv.org/abs/2402.09914 https://arxiv.org/pdf/2402.0991…

Computing the EHZ capacity is NP-hard
The Ekeland-Hofer-Zehnder capacity (EHZ capacity) is a fundamental symplectic invariant of convex bodies. We show that computing the EHZ capacity of polytopes is NP-hard. For this we reduce the feedback arc set problem in bipartite tournaments to computing the EHZ capacity of simplices.

Revisiting the Information Capacity of Neural Network Watermarks: Upper Bound Estimation and Beyond
Fangqi Li, Haodong Zhao, Wei Du, Shilin Wang
https://arxiv.org/abs/2402.12720 <…

Revisiting the Information Capacity of Neural Network Watermarks: Upper Bound Estimation and Beyond
To trace the copyright of deep neural networks, an owner can embed its identity information into its model as a watermark. The capacity of the watermark quantify the maximal volume of information that can be verified from the watermarked model. Current studies on capacity focus on the ownership verification accuracy under ordinary removal attacks and fail to capture the relationship between robustness and fidelity. This paper studies the capacity of deep neural network watermarks from an inform…

This https://arxiv.org/abs/2305.01317 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

The role of individual compensation and acceptance decisions in crowdsourced delivery
One of the recent innovations in urban distribution is crowdsourced delivery, where deliveries are made by occasional drivers who wish to utilize their surplus resources (unused transport capacity) by making deliveries in exchange for some compensation. The potential benefits of crowdsourced delivery include reduced delivery costs and increased flexibility (by scaling delivery capacity up and down as needed). The use of occasional drivers poses new challenges because (unlike traditional courier…

Solar now accounts for over 50% of new electricity capacity added to the U.S. grid
"Looking back at the first full year since passage of the Inflation Reduction Act, the U.S. Solar Market Insight, Year-in-Review 2023 shows that the legislation has skyrocketed the industry and will have a lasting economic impact in terms of energy, jobs and investment opportunity."

Solar now accounts for over 50% of new electricity capacity added to the U.S. grid
Looking back at the first full year since passage of the Inflation Reduction Act, the U.S. Solar Market Insight, Year-in-Review 2023 shows that the legislation has skyrocketed the industry and will have a lasting economic impact in terms of energy, jobs and investment opportunity.

This https://arxiv.org/abs/2311.07462 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_ees…

Investigating Robustness in Cyber-Physical Systems: Specification-Centric Analysis in the face of System Deviations
The adoption of cyber-physical systems (CPS) is on the rise in complex physical environments, encompassing domains such as autonomous vehicles, the Internet of Things (IoT), and smart cities. A critical attribute of CPS is robustness, denoting its capacity to operate safely despite potential disruptions and uncertainties in the operating environment. This paper proposes a novel specification-based robustness, which characterizes the effectiveness of a controller in meeting a specified system re…

This https://arxiv.org/abs/2402.12734 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csDS_…

On the Permutation Algorithm for Online Facility Assignment on a Line
In the online facility assignment on a line (OFAL) with a set $S$ of $k$ servers and a capacity $c:S\to\mathbb{N}$, each server $s\in S$ with a capacity $c(s)$ is placed on a line and a request arrives on a line one-by-one. The task of an online algorithm is to irrevocably assign a current request to one of the servers with vacancies before the next request arrives. An algorithm can assign up to $c(s)$ requests to each server $s\in S$. In this paper, we show that the competitive ratio of the …

AI Sustainability in Practice Part Two: Sustainability Throughout the AI Workflow
David Leslie, Cami Rincon, Morgan Briggs, Antonella Perini, Smera Jayadeva, Ann Borda, SJ Bennett, Christopher Burr, Mhairi Aitken, Michael Katell, Claudia Fischer, Janis Wong, Ismael Kherroubi Garcia
https://arxiv.org/abs/2403.15404

AI Sustainability in Practice Part Two: Sustainability Throughout the AI Workflow
The sustainability of AI systems depends on the capacity of project teams to proceed with a continuous sensitivity to their potential real-world impacts and transformative effects. Stakeholder Impact Assessments (SIAs) are governance mechanisms that enable this kind of responsiveness. They are tools that create a procedure for, and a means of documenting, the collaborative evaluation and reflective anticipation of the possible harms and benefits of AI innovation projects. SIAs are not one-off g…

This https://arxiv.org/abs/2404.13685 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csIT_…

Second-Order Identification Capacity of AWGN Channels
In this paper, we establish the second-order randomized identification capacity (RID capacity) of the Additive White Gaussian Noise Channel (AWGNC). On the one hand, we obtain a refined version of Hayashi's theorem to prove the achievability part. On the other, we investigate the relationship between identification and channel resolvability, then we propose a finer quantization method to prove the converse part. Consequently, the second-order RID capacity of the AWGNC has the same form as the s…

"If the West is serious about a possible great power conflict, it needs to take a hard look at its industrial capacity, mobilisation doctrine and means of waging a protracted war, rather than conducting wargames covering a single month of conflict and hoping that the war will end afterwards." , great article,

The Attritional Art of War: Lessons from the Russian War on Ukraine
If the West is serious about the possibility of a great power conflict, it needs to take a hard look at its capacity to wage a protracted war and to pursue a strategy focused on attrition rather than manoeuvre.

Approximation Algorithms for School Assignment: Group Fairness and Multi-criteria Optimization
Santhini K. A., Kamesh Munagala, Meghana Nasre, Govind S. Sankar
https://arxiv.org/abs/2403.15623

Approximation Algorithms for School Assignment: Group Fairness and Multi-criteria Optimization
We consider the problem of assigning students to schools, when students have different utilities for schools and schools have capacity. There are additional group fairness considerations over students that can be captured either by concave objectives, or additional constraints on the groups. We present approximation algorithms for this problem via convex program rounding that achieve various trade-offs between utility violation, capacity violation, and running time. We also show that our techni…

Observation of the In-plane Anomalous Hall Effect induced by Octupole in Magnetization Space
Wenzhi Peng, Zheng Liu, Haolin Pan, Peng Wang, Yulong Chen, Jiachen Zhang, Xuhao Yu, Jinhui Shen, Mingmin Yang, Qian Niu, Yang Gao, Dazhi Hou
https://arxiv.org/abs/2402.15741

Observation of the In-plane Anomalous Hall Effect induced by Octupole in Magnetization Space
The Anomalous Hall Effect (AHE) manifests as a transverse voltage proportional to magnetization in ferromagnetic materials under the application of a charge current, being an indispensable tool for probing magnetism, especially in nanoscale devices. However, the AHE primarily sensitizes to out-of-plane magnetization, thereby hindering its capacity to discern the in-plane magnetization, a characteristic prevalent in ferromagnetic films. Here we challenge this conventional understanding by demons…

DVD-like optical disc could store 1.6 petabits (or 200 terabytes) on 100 layers
https://www.techspot.com/news/101974-dvd-like-optical-disc-could-store-16-petabits.html

Second-Order Identification Capacity of AWGN Channels
Zhicheng Liu, Yuan Li, Huazi Zhang, Jun Wang, Guiying Yan, Zhiming Ma
https://arxiv.org/abs/2404.13685

Second-Order Identification Capacity of AWGN Channels
In this paper, we establish the second-order randomized identification capacity (RID capacity) of the Additive White Gaussian Noise Channel (AWGNC). On the one hand, we obtain a refined version of Hayashi's theorem to prove the achievability part. On the other, we investigate the relationship between identification and channel resolvability, then we propose a finer quantization method to prove the converse part. Consequently, the second-order RID capacity of the AWGNC has the same form as the s…

Apple says the iPhone 15 lineup can retain 80% of its original battery capacity after 1,000 charge cycles, up from its original estimate of 500 charge cycles (Chance Miller/9to5Mac)
https://9to5mac.com/2024/02/20/iphone-15-battery-lifescyle-span/
<…

Apple says iPhone 15 batteries have a longer lifespan than initially thought - 9to5Mac
In addition to changes to the Battery Health settings in iOS 17.4, Apple has more iPhone battery news to share...

Investigation of the effectiveness of applying ChatGPT in Dialogic Teaching Using Electroencephalography
Jiayue Zhang, Yiheng Liu, Wenqi Cai, Yali Peng, Senqing Qi, Taotao Long, Bao Ge
https://arxiv.org/abs/2403.16687

Investigation of the effectiveness of applying ChatGPT in Dialogic Teaching Using Electroencephalography
In recent years, the rapid development of artificial intelligence technology, especially the emergence of large language models (LLMs) such as ChatGPT, has presented significant prospects for application in the field of education. LLMs possess the capability to interpret knowledge, answer questions, and consider context, thus providing support for dialogic teaching to students. Therefore, an examination of the capacity of LLMs to effectively fulfill instructional roles, thereby facilitating stu…

This https://arxiv.org/abs/2304.11671 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_ees…

Battery Capacity Knee-Onset Identification and Early Prediction Using Degradation Curvature
Abrupt capacity fade can have a significant impact on performance and safety in battery applications. To address concerns arising from possible knee occurrence, this work aims for a better understanding of their cause by introducing a new definition of capacity knees and their onset. A curvature-based identification of a knee and its onset is proposed, which relies on a discovered distinctly fluctuating behavior in the transition between an initial and a final stable acceleration of the degrada…

"Wind farm off the Massachusetts coast begins delivering steady flow of power"
#US #USA #America #Massachusetts

Wind farm off the Massachusetts coast begins delivering steady flow of power
Officials with Massachusetts and Vineyard Wind say the wind farm under construction off the state’s coast has begun delivering energy to the power grid from five of its planned 62 wind turbines. Officials said Thursday that the five turbines are operating at full capacity, generating 68 megawatts of power — enough to power about 30,000 homes. Company officials describe it as the first large-scale offshore wind farm in the nation to begin initial operations. The Vineyard Wind project is loca…

A general framework for supporting economic feasibility of generator and storage energy systems through capacity and dispatch optimization
Saeed Azad, Ziraddin Gulumjanli, Daniel R. Herber
https://arxiv.org/abs/2404.14583

A general framework for supporting economic feasibility of generator and storage energy systems through capacity and dispatch optimization
Integration of various electricity generating technologies (such as natural gas, wind, nuclear, etc.) with storage systems (such as thermal, battery electric, hydrogen, etc.) has the potential to improve the economic competitiveness of modern energy systems. Driven by the need to efficiently assess the economic feasibility of various energy system configurations in early system concept development, this work outlines a versatile computational framework for assessing the net present value of var…

This https://arxiv.org/abs/2403.14545 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csRO_…

Learning Hierarchical Control For Constrained Dynamic Task Assignment
This paper introduces a novel data-driven hierarchical control scheme for managing a fleet of nonlinear, capacity-constrained autonomous agents in an iterative environment. We propose a control framework consisting of a high-level dynamic task assignment and routing layer and low-level motion planning and tracking layer. Each layer of the control hierarchy uses a data-driven MPC policy, maintaining bounded computational complexity at each calculation of a new task assignment or actuation input.…

This https://arxiv.org/abs/2403.15869 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_nli…

Evolution beats random chance: Performance-dependent network evolution for enhanced computational capacity
The quest to understand structure-function relationships in networks across scientific disciplines has intensified. However, the optimal network architecture remains elusive, particularly for complex information processing. Therefore, we investigate how optimal and specific network structures form to efficiently solve distinct tasks using a novel framework of performance-dependent network evolution, leveraging reservoir computing principles. Our study demonstrates that task-specific minimal net…

Solution space and storage capacity of fully connected two-layer neural networks with generic activation functions
Sota Nishiyama, Masayuki Ohzeki
https://arxiv.org/abs/2404.13404

Solution space and storage capacity of fully connected two-layer neural networks with generic activation functions
The storage capacity of a binary classification model is the maximum number of random input-output pairs per parameter that the model can learn. It is one of the indicators of the expressive power of machine learning models and is important for comparing the performance of various models. In this study, we analyze the structure of the solution space and the storage capacity of fully connected two-layer neural networks with general activation functions using the replica method from statistical p…

This https://arxiv.org/abs/2311.05389 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_qu…

Verifying the security of a continuous variable quantum communication protocol via quantum metrology
Quantum mechanics offers the possibility of unconditionally secure communication between multiple remote parties. Security proofs for such protocols typically rely on bounding the capacity of the quantum channel in use. In a similar manner, Cramér-Rao bounds in quantum metrology place limits on how much information can be extracted from a given quantum state about some unknown parameters of interest. In this work we establish a connection between these two areas. We first demonstrate a three-p…

This https://arxiv.org/abs/2305.06942 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csDC_…

Optimizing Distributed ML Communication with Fused Computation-Collective Operations
In order to satisfy their ever increasing capacity and compute requirements, machine learning models are distributed across multiple nodes using numerous parallelism strategies. As a result, collective communications are often on the critical path, and hiding their latency by overlapping kernel-granular communication and computation is difficult due to the absence of independent computation. In this work, we propose fusing computation with dependent collective communication by leveraging GPUs' …

Ground- and excited-state properties of LiNb$_{1-x}$Ta$_x$O$_3$ solid solutions
Felix Bernhardt, Florian A. Pfeiffer, Felix Schug, Anton Pfannstiel, Tobias Hehemann, Steffen Ganschow, Mirco Imlau, Simone Sanna
https://arxiv.org/abs/2403.17623

Ground- and excited-state properties of LiNb$_{1-x}$Ta$_x$O$_3$ solid solutions
LiNb$_{1-x}$Ta$_x$O$_3$ solid solutions are investigated from first principles and by optical spectroscopy. The ground- and excited-state properties of the solid solutions are modelled within density functional theory as a function of the Ta concentration using special quasirandom structures spanning the entire composition range between LiNbO$_3$ and LiTaO$_3$. Deviations from a Vegard behavior are predicted for the lattice parameters, the heat capacity, the electronic bandgap, and consequently…

DTEK needs $350 million to rebuild power plants: https://benborges.xyz/2024/04/23/dtek-needs-million.html

The recessionary pressures of generative AI: A threat to wellbeing
Jo-An Occhipinti, Ante Prodan, William Hynes, Roy Green, Sharan Burrow, Harris A Eyre, Adam Skinner, Goran Ujdur, John Buchanan, Ian B Hickie, Mark Heffernan, Christine Song, Marcel Tanner
https://arxiv.org/abs/2403.17405…

The recessionary pressures of generative AI: A threat to wellbeing
Generative Artificial Intelligence (AI) stands as a transformative force that presents a paradox; it offers unprecedented opportunities for productivity growth while potentially posing significant threats to economic stability and societal wellbeing. Many consider generative AI as akin to previous technological advancements, using historical precedent to argue that fears of widespread job displacement are unfounded, while others contend that generative AI`s unique capacity to undertake non-rout…

This https://arxiv.org/abs/2403.15588 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csIT_…

RIS-assisted Cell-Free Massive MIMO Systems With Two-Timescale Design and Hardware Impairments
Integrating the reconfigurable intelligent surface (RIS) into a cell-free massive multiple-input multiple-output (CF-mMIMO) system is an effective solution to achieve high system capacity with low cost and power consumption. However, existing works of RIS-assisted systems mostly assumed perfect hardware, while the impact of hardware impairments (HWIs) is generally ignored. In this paper, we consider the general Rician fading channel and uplink transmission of the RIS-assisted CF-mMIMO system un…

This https://arxiv.org/abs/2304.11671 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_ees…

Battery Capacity Knee-Onset Identification and Early Prediction Using Degradation Curvature
Abrupt capacity fade can have a significant impact on performance and safety in battery applications. To address concerns arising from possible knee occurrence, this work aims for a better understanding of their cause by introducing a new definition of capacity knees and their onset. A curvature-based identification of a knee and its onset is proposed, which relies on a discovered distinctly fluctuating behavior in the transition between an initial and a final stable acceleration of the degrada…

A Hypergraph Approach to Distributed Broadcast
Qi Cao, Yulin Shao, Fan Yang
https://arxiv.org/abs/2404.16376 https://arxiv.org/pdf/24…

A Hypergraph Approach to Distributed Broadcast
This paper explores the distributed broadcast problem within the context of network communications, a critical challenge in decentralized information dissemination. We put forth a novel hypergraph-based approach to address this issue, focusing on minimizing the number of broadcasts to ensure comprehensive data sharing among all network users. A key contribution of our work is the establishment of a general lower bound for the problem using the min-cut capacity of hypergraphs. Additionally, we p…

Dutch defense minister: You don't start negotiations with gun pointed at your head: https://benborges.xyz/2024/03/21/210226.html

The US awards Intel $8.5B in CHIPS Act funding and $11B in loans to expand in Arizona, Ohio, New Mexico, and Oregon; Intel plans to spend $100B over five years (Financial Times)
https://t.co/FEheC13x4u

Dutch defense minister: You don't start negotiations with gun pointed at your head: https://benborges.xyz/2024/03/21/210226.html

This https://arxiv.org/abs/2312.00394 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csIT_…

On the Coding Capacity of Reverse-Complement and Palindromic Duplication-Correcting Codes
We derive the coding capacity for duplication-correcting codes capable of correcting any number of duplications. We do so both for reverse-complement duplications, as well as palindromic (reverse) duplications. We show that except for duplication-length $1$, the coding capacity is $0$. When the duplication length is $1$, the coding capacity depends on the alphabet size, and we construct optimal codes.

Necessary and Sufficient Conditions for Capacity-Achieving Private Information Retrieval with Non-Colluding and Colluding Servers
Atsushi Miki, Yusuke Morishita, Toshiyasu Matsushima
https://arxiv.org/abs/2404.13624

Necessary and Sufficient Conditions for Capacity-Achieving Private Information Retrieval with Non-Colluding and Colluding Servers
Private Information Retrieval (PIR) is a mechanism for efficiently downloading messages while keeping the index secret. Here, PIRs in which servers do not communicate with each other are called standard PIRs, and PIRs in which some servers communicate with each other are called colluding PIRs. The information-theoretic upper bound on efficiency has been given in previous studies. However, the conditions for PIRs to keep privacy, to decode the desired message, and to achieve that upper bound hav…

Random Gabidulin Codes Achieve List Decoding Capacity in the Rank Metric
Zeyu Guo, Chaoping Xing, Chen Yuan, Zihan Zhang
https://arxiv.org/abs/2404.13230 h…

Random Gabidulin Codes Achieve List Decoding Capacity in the Rank Metric
Gabidulin codes, serving as the rank-metric counterpart of Reed-Solomon codes, constitute an important class of maximum rank distance (MRD) codes. However, unlike the fruitful positive results about the list decoding of Reed-Solomon codes, results concerning the list decodability of Gabidulin codes in the rank metric are all negative so far. For example, in contrast to Reed-Solomon codes, which are always list decodable up to the Johnson bound in the Hamming metric, Raviv and Wachter-Zeh (IEEE …

Local Approximation of Secrecy Capacity
Emmanouil M. Athanasakos, Nicholas Kalouptsidis, Hariprasad Manjunath
https://arxiv.org/abs/2403.13345 https://

Local Approximation of Secrecy Capacity
This paper uses Euclidean Information Theory (EIT) to analyze the wiretap channel. We investigate a scenario of efficiently transmitting a small amount of information subject to compression rate and secrecy constraints. We transform the information-theoretic problem into a linear algebra problem and obtain the perturbed probability distributions such that secrecy is achievable. Local approximations are being used in order to obtain an estimate of the secrecy capacity by solving a generalized ei…