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Universal Graph Learning for Power System Reconfigurations: Transfer Across Topology Variations
Tong Wu, Anna Scaglione, Sandy Miguel, Daniel Arnold
https://arxiv.org/abs/2509.08672

Universal Graph Learning for Power System Reconfigurations: Transfer Across Topology Variations
This work addresses a fundamental challenge in applying deep learning to power systems: developing neural network models that transfer across significant system changes, including networks with entirely different topologies and dimensionalities, without requiring training data from unseen reconfigurations. Despite extensive research, most ML-based approaches remain system-specific, limiting real-world deployment. This limitation stems from a dual barrier. First, topology changes shift feature d…

$k$-quasi $n$-power posinormal Weighted Composition and Cauchy Dual of Moore-Penrose inverse of Lambert Operators
Sophiya S Dharan, T. Prasad, P. Ramya, M. H. M. Rashid
https://arxiv.org/abs/2507.06511

$k$-quasi $n$-power posinormal Weighted Composition and Cauchy Dual of Moore-Penrose inverse of Lambert Operators
In this paper we characterize \(k\)-quasi \(n\)-power posinormal composition operators and weighted composition operators on the Hilbert space \(L^2(Σ)\). For Lambert conditional operators (of the form \(T = M_w E M_u\)), we establish necessary and sufficient conditions under which these Cauchy duals via the Moore-Penrose inverse become \(k\)-quasi \(n\)-power posinormal operators. Finally, we construct an explicit example of a \(k\)-quasi \(n\)-power posinormal weighted shift operator on a ro…

A co-operational bivariant theory derived from cohomology operations
Shoji Yokura
https://arxiv.org/abs/2507.07378 https://arxiv.org/…

A co-operational bivariant theory derived from cohomology operations
A co-operational bivariant theory is a ``dual" version of Fulton--MacPherson's operational bivaiant theory. For a given contravariant functor we define a generalized cohomology operation for continuous maps having sections, using cohomology operations. This generalized cohomology operation is related to Quillen's Steenrod power operation. Using this generalized cohomology operation, we define \emph{a co-operational bivariant theory derived from cohomology operations}, which is a subtheory o…

this #seeedstudio #xiao #rp2350 looks cute!
https://www.

Seeed Studio XIAO RP2350
The XIAO RP2350 packs the power of the Raspberry Pi RP2350 (switchable architecture of dual Arm Cortex-M33 cores running at 150MHz with FPU, and dual open-hardware Hazard3 RISC‑V cores, enhanced security and encryption) into the classic XIAO form factor. Measuring just 21x17.8mm, it features 19 multifunction GPIOs, an RGB LED, and a Battery Management System with ultra-low power consumption of 27μA, battery power supply, and direct battery voltage measurement. Thanks to the XIAO ecosystem, t…

Production, Quality Assurance and Quality Control of the SiPM Tiles for the DarkSide-20k Time Projection Chamber
Acerbi, Adhikari, Agnes, Ahmad, Albergo, Albuquerque, Alexander, Alton, Amaudruz, Angiolilli, Aprile, Corona, Auty, Ave, Avetisov, Azzolini, Back, Balmforth, Olmedo, Barrillon, Batignani, Bhowmick, Bloem, Blua, Bocci, Bonivento, Bottino, Boulay, Braun, Buchowicz, Bussino, Busto, Cadeddu, Cadoni, Calabrese, Camillo, Caminata, Canci, Caravati, C\'ardenas-Montes, Cargioli, …

Production, Quality Assurance and Quality Control of the SiPM Tiles for the DarkSide-20k Time Projection Chamber
The DarkSide-20k dark matter direct detection experiment will employ a 21 m^2 silicon photomultiplier (SiPM) array, instrumenting a dual-phase 50 tonnes liquid argon Time Projection Chamber (TPC). SiPMs are arranged into modular photosensors called Tiles, each integrating 24 SiPMs onto a printed circuit board (PCB) that provides signal amplification, power distribution, and a single-ended output for simplified readout. 16 Tiles are further grouped into Photo-Detector Units (PDUs). This paper de…

Asymmetric Modulation Design for Fluid-Antenna SWIPT Systems
Ahsan Mehmood, Ioannis Krikidis, Ghassan M. Kraidy
https://arxiv.org/abs/2509.07610 https://ar…

Asymmetric Modulation Design for Fluid-Antenna SWIPT Systems
In this work, we propose the design of modulation schemes that improve the rate-energy region of fluid antenna-assisted simultaneous wireless information and power transfer (SWIPT) systems. By considering the nonlinear characteristics of practical energy harvesting circuits, we formulate a dual-objective rate-energy (RE) region optimization problem to jointly maximize the discrete-input mutual information (DIMI) and harvested current. The problem is solved using the epsilon-constraint method an…

A Single-Point Measurement Framework for Robust Cyber-Attack Diagnosis in Smart Microgrids Using Dual Fractional-Order Feature Analysis
Yifan Wang
https://arxiv.org/abs/2507.06890

A Single-Point Measurement Framework for Robust Cyber-Attack Diagnosis in Smart Microgrids Using Dual Fractional-Order Feature Analysis
Cyber-attacks jeopardize the safe operation of smart microgrids. At the same time, existing diagnostic methods either depend on expensive multi-point instrumentation or stringent modelling assumptions that are untenable under single-sensor constraints. This paper proposes a Fractional-Order Memory-Enhanced Attack-Diagnosis Scheme (FO-MADS) that achieves low-latency fault localisation and cyber-attack detection using only one VPQ (Voltage-Power-Reactive-power) sensor. FO-MADS first constructs a …

“It is better to remain silent at the risk of being thought a fool, than to talk and remove all doubt of it.”
– Maurice Switzer https://ec.social-network.europa.eu/@EUCommission/114789191589954642

European Commission (@EUCommission@ec.social-network.europa.eu)
Attached: 1 image As temperatures soar, here is something cool for Europe’s future. ⚛️ Introducing the Quantum Europe Strategy: A plan to bring together EU countries, industry, academia and society to unlock the full power of quantum tech. Europe is well-positioned to lead the ongoing quantum revolution, focusing our strategy on: 🔬 R&I 🏗️ Infrastructures 🛰️ Space and Dual-use 🎓 Skills 🌐 Quantum ecosystem Quantum will transform key sectors and Europe will lead the…

Qualcomm unveils the Snapdragon W5 Gen 2 and W5 Gen 2 for wearables, with a new satellite messaging feature, improved GPS accuracy, better efficiency, and more (Michael L Hicks/Android Central)
https://www.androidcentral.com/wearables/s

The Snapdragon W5 Gen 2 inside the Pixel Watch 4 lacks a major performance boost — but it's not all bad news
Its NB-NTN satellite connectivity, smaller size, and dual-band GPS upgrades will make a significant difference — just not to raw power.

A Simulation of the Fermilab Main Injector Dual Power Amplifier Cavities
Susanna Stevenson (Fermi National Accelerator Laboratory)
https://arxiv.org/abs/2508.03312 https://

A Simulation of the Fermilab Main Injector Dual Power Amplifier Cavities
The Fermilab Main Injector accelerating cavities have sparking issues when they are run at voltages higher than those required by the PIP-II project. This is a problem Fermilab is working on as planning begins for the next upgrade to the accelerator complex. One of the methods being used to address the issue is the development of a CST Microwave Studio simulation to accurately model the PIP-II dual power amplifier cavities and identify which part(s) of the cavity is causing sparking to develop.…

Topologizability and Power Boundedness of Convolutions and Toeplitz Operators on Power Series Spaces
Nazl{\i} Do\u{g}an
https://arxiv.org/abs/2507.00897 ht…

Topologizability and Power Boundedness of Convolutions and Toeplitz Operators on Power Series Spaces
We completely characterize the topologizability and power boundedness of convolution and dual convolution operators on power series spaces. We determine necessary conditions for a Toeplitz operator to be m-topologizable, and power bounded on $Λ_{1}(n)$ and $Λ_{\infty}(n)$, and consequently on $H(\mathbb{C})$ and $H(\mathbb{D})$.

The $\mu-$invariant of fine Selmer groups associated to general Drinfeld modules
Hang Chen
https://arxiv.org/abs/2507.02688 https://a…

The $μ-$invariant of fine Selmer groups associated to general Drinfeld modules
Let $F$ be a global function field over the finite field $\mathbb{F}_q$ where $q$ is a prime power and $A$ be the ring of elements in $F$ regular outside $\infty$. Let $ϕ$ be an arbitrary Drinfeld module over $F$ For a fixed non-zero prime ideal $\mathfrak{p}$ of $A$, we show that on the constant $\mathbb{Z}_{\textit{p}}-$extension $\mathfrak{F}$ of $F$, the Pontryagin dual of the fine Selmer group associated to the $\mathfrak{p}-$primary torsion of $ϕ$ over $\mathfrak{F}$ is a finitely gener…

Dual-IRS Aided Near-/Hybrid-Field SWIPT: Passive Beamforming and Independent Antenna Power Splitting Design
Chaoying Huang, Wen Chen, Qingqing Wu, Xusheng Zhu, Zhendong Li, Ying Wang, Jinhong Yuan
https://arxiv.org/abs/2508.20531

Dual-IRS Aided Near-/Hybrid-Field SWIPT: Passive Beamforming and Independent Antenna Power Splitting Design
This paper proposes a novel dual-intelligent reflecting surface (IRS) aided interference-limited simultaneous wireless information and power transfer (SWIPT) system with independent power splitting (PS), where each receiving antenna applies different PS factors to offer an advantageous trade-off between the useful information and harvested energy. We separately establish the near- and hybrid-field channel models for IRS-reflected links to evaluate the performance gain more precisely and practic…

DiFuse-Net: RGB and Dual-Pixel Depth Estimation using Window Bi-directional Parallax Attention and Cross-modal Transfer Learning
Kunal Swami, Debtanu Gupta, Amrit Kumar Muduli, Chirag Jaiswal, Pankaj Kumar Bajpai
https://arxiv.org/abs/2506.14709

DiFuse-Net: RGB and Dual-Pixel Depth Estimation using Window Bi-directional Parallax Attention and Cross-modal Transfer Learning
Depth estimation is crucial for intelligent systems, enabling applications from autonomous navigation to augmented reality. While traditional stereo and active depth sensors have limitations in cost, power, and robustness, dual-pixel (DP) technology, ubiquitous in modern cameras, offers a compelling alternative. This paper introduces DiFuse-Net, a novel modality decoupled network design for disentangled RGB and DP based depth estimation. DiFuse-Net features a window bi-directional parallax atte…

An elementary construction of the ring of dual $K$-$Q$-cancellation property
Shinsuke Iwao
https://arxiv.org/abs/2508.14484 https://arxiv.org/pdf/2508.1448…

An elementary construction of the ring of dual $K$-$Q$-cancellation property
This paper presents an elementary introduction on $K$-theoretic $Q$-functions, which were introduced by Ikeda and Naruse in 2013. These functions, which serve as $K$-theoretic analogs of Schur $Q$-functions, are known to possess combinatorial and algebraic constructions. In a 2022 paper, the author introduced ``$β$-deformed power-sums" to provide a simpler, more algebraic construction of these functions. Since the original approach relies on fermionic operators and vacuum expectation values, t…

Speech Enhancement with Dual-path Multi-Channel Linear Prediction Filter and Multi-norm Beamforming
Chengyuan Qin, Wenmeng Xiong, Jing Zhou, Maoshen Jia, Changchun Bao
https://arxiv.org/abs/2507.18350 …

Speech Enhancement with Dual-path Multi-Channel Linear Prediction Filter and Multi-norm Beamforming
In this paper, we propose a speech enhancement method us ing dual-path Multi-Channel Linear Prediction (MCLP) filters and multi-norm beamforming. Specifically, the MCLP part in the proposed method is designed with dual-path filters in both time and frequency dimensions. For the beamforming part, we minimize the power of the microphone array output as well as the l1 norm of the denoised signals while preserving source sig nals from the target directions. An efficient method to select t…

How to Increase Energy Efficiency with a Single Linux Command
Alborz Jelvani, Richard P Martin, Santosh Nagarakatte
https://arxiv.org/abs/2506.16046 https:…

How to Increase Energy Efficiency with a Single Linux Command
Processors with dynamic power management provide a variety of settings to control energy efficiency. However, tuning these settings does not achieve optimal energy savings. We highlight how existing power capping mechanisms can address these limitations without requiring any changes to current power governors. We validate this approach using system measurements across a month-long data acquisition campaign from SPEC CPU 2017 benchmarks on a server-class system equipped with dual Intel Xeon Scal…

A Wide-Input 0.25 um BCD LDO with Dual-Stage Amplifier and Active Ripple Cancellation for High PSRR and Fast Transient Response
Yi Zhang, Zhuolong Chen, Zhenghao Xu, Yujin He
https://arxiv.org/abs/2507.20522

A Wide-Input 0.25 um BCD LDO with Dual-Stage Amplifier and Active Ripple Cancellation for High PSRR and Fast Transient Response
Demand for on-chip low-dropout regulators (LDOs) with both high power-supply rejection ratio (PSRR) and fast transient response is growing as system-on-chip (SoC) integration increases. However, conventional LDO architectures face difficulty achieving these performance metrics simultaneously over wide input voltage ranges. This paper presents a wide-input linear regulator implemented in 0.25 um BCD technology that attains high PSRR and swift load-transient performance while maintaining low quie…

Stateful Logic In-Memory Using Gain-Cell eDRAM
Barak Hoffer, Shahar Kvatinsky
https://arxiv.org/abs/2506.23185 https://arxiv.org/pdf/…

Stateful Logic In-Memory Using Gain-Cell eDRAM
Modern data-intensive applications demand memory solutions that deliver high-density, low-power, and integrated computational capabilities to reduce data movement overhead. This paper presents the use of Gain-Cell embedded DRAM (GC-eDRAM) - a compelling alternative to traditional SRAM and eDRAM - for stateful, in-memory logic. We propose a circuit design that exploits GC-eDRAM's dual-port architecture and nondestructive read operation to perform logic functions directly within the GC-eDRAM memo…

Ist verkauft. Nicht mehr boosten, vielen Dank!
Verkaufe einen Raspberry Pi 400 (das "Tastaturmodell") ohne weiteres Zubehör, selten gebraucht, keine Gebrauchsspuren.
Zum Betrieb braucht man ein halbwegs starkes Netzteil mit USB-C-Anschlusskabel, eine microSD-Karte, um sich das Betriebssystem der Wahl darauf zu installieren, und eine Maus.
30,- EUR inkl. Versand in Deutschland.
Das ist dieses Modell:

Secrecy Offloading Analysis of UAV-assisted NOMA-MEC Incorporating WPT in IoT Networks
Gia-Huy Nguyen, Anh-Nhat Nguyen, Minh-Sang Nguyen, Khai Nguyen, Tung-Son Ngo, Ngoc-Anh Bui, Phuong-Chi Le, Manh-Duc Hoang
https://arxiv.org/abs/2507.08352

Secrecy Offloading Analysis of UAV-assisted NOMA-MEC Incorporating WPT in IoT Networks
This article studies the efficiency of secrecy data offloading for an unmanned aerial vehicle (UAV)-assisted nonorthogonal multiple access (NOMA)-integrated mobile-edge computing (MEC) incorporating wireless power transfer (WPT) within an Internet of Things (IoT) network. Specifically, this study assumes an UAV to function in dual roles: as a mobile computation platform and as an aerial power-supply station, offering substantial advantages for resource-constrained edge devices (EDs) in mitigati…

Analysis of Broad Beam Beamforming for Collocated and Distributed MIMO
Ahmet Kaplan, Diana P. M. Osorio, Erik G. Larsson
https://arxiv.org/abs/2508.02135 https://

Analysis of Broad Beam Beamforming for Collocated and Distributed MIMO
Broad beam beamforming (BF) design in multiple-input multiple-output (MIMO) can be convenient for initial access, synchronization, and sensing capabilities in cellular networks by avoiding overheads of sweeping methods while making efficient use of resources. Phase-only BF is key for maximizing power efficiency across antennas. A successful method to produce broad beams is the phase-only dual-polarization BF (DPBF). However, its efficiency has not been proved in non-line-of-sight (NLoS). Theref…

The impact of large-scale EV charging on the real-time operation of distribution systems: A comprehensive review
Zhe Yu, Chuang Yang, Qin Wang
https://arxiv.org/abs/2507.21759 h…

The impact of large-scale EV charging on the real-time operation of distribution systems: A comprehensive review
With the large-scale integration of electric vehicles (EVs) in the distribution grid, the unpredictable nature of EV charging introduces considerable uncertainties to the grid's real-time operations. This can exacerbate load fluctuations, compromise power quality, and pose risks to the grid's stability and security. However, due to their dual role as controllable loads and energy storage devices, EVs have the potential to mitigate these fluctuations, balance the variability of renewable energy …