Tootfinder

Hochgeschwindigkeitszüge: Poröser Puffer reduziert Tunnelknall
Bei Hochgeschwindigkeitsfahrten mit der Bahn kann es an Tunnelausgängen zum Tunnelknall kommen. Chinesische Forscher haben das Problem in den Griff bekommen.

II. Non-Linear Interacting Dark Energy: Analytical Solutions and Theoretical Pathologies
Marcel van der Westhuizen, Amare Abebe, Eleonora Di Valentino
https://arxiv.org/abs/2509.04494

II. Non-Linear Interacting Dark Energy: Analytical Solutions and Theoretical Pathologies
We investigate interacting dark energy (IDE) models with phenomenological, non-linear interaction kernels $Q$, specifically $Q_{1}=3Hδ\left(\frac{ρ_{\rm dm}ρ_{\rm de}}{ρ_{\rm dm}+ρ_{\rm de}}\right)$, $Q_{2}=3Hδ\left(\frac{ρ_{\rm dm}^2}{ρ_{\rm dm}+ρ_{\rm de}}\right)$, and $Q_{3}=3Hδ\left(\frac{ρ_{\rm de}^2}{ρ_{\rm dm}+ρ_{\rm de}}\right)$. Using dynamical system techniques developed in our companion paper on linear kernels, we derive new conditions that ensure positive and well-defin…

Ich hatte schon das #reMarkable 2, dann im letzten Jahr das Upgrade auf das reMarkable Paper Pro und jetzt lohnt sich der Weg ins Büro am Montag gleich doppelt, falls das reMarkable PP move schon ausgeliefert wird. #tablets

LadyBug: A GitHub Bot for UI-Enhanced Bug Localization in Mobile Apps
Junayed Mahmud, James Chen, Terry Achille, Camilo Alvarez-Velez, Darren Dean Bansil, Patrick Ijieh, Samar Karanch, Nadeeshan De Silva, Oscar Chaparro, Andrian Marcus, Kevin Moran
https://arxiv.org/abs/2508.05085

LadyBug: A GitHub Bot for UI-Enhanced Bug Localization in Mobile Apps
This paper introduces LadyBug, a GitHub bot that automatically localizes bugs for Android apps by combining UI interaction information with text retrieval. LadyBug connects to an Android app's GitHub repository, and is triggered when a bug is reported in the corresponding issue tracker. Developers can then record a reproduction trace for the bug on a device or emulator and upload the trace to LadyBug via the GitHub issue tracker. This enables LadyBug to utilize both the text from the original b…

DAWN. I. Simulating the formation and early evolution of stellar clusters with Phantom N-Body
Yann Bernard, Estelle Moraux, Daniel J. Price, Fr\'ed\'erique Motte, Fabien Louvet, Isabelle Joncour
https://arxiv.org/abs/2508.05296

DAWN. I. Simulating the formation and early evolution of stellar clusters with Phantom N-Body
Context. Simulating stellar dynamics in a molecular cloud environment is numerically challenging due to the strong coupling between young stars and their surrounding gas, and the large range of length and time scales. Aims. This paper is the first of a suite aimed at investigating the complex early stellar dynamics in star-forming regions. We present a new simulation framework which is the key to generating a larger set of simulations, enabling statistical analysis. Methods. Methods originating…

Complex Domain Approach for Reversible Data Hiding and Homomorphic Encryption: General Framework and Application to Dispersed Data
David Megias
https://arxiv.org/abs/2510.03770 …

Complex Domain Approach for Reversible Data Hiding and Homomorphic Encryption: General Framework and Application to Dispersed Data
Ensuring the trustworthiness of data from distributed and resource-constrained environments, such as Wireless Sensor Networks or IoT devices, is critical. Existing Reversible Data Hiding (RDH) methods for scalar data suffer from low embedding capacity and poor intrinsic mixing between host data and watermark. This paper introduces Hiding in the Imaginary Domain with Data Encryption (H[i]dden), a novel framework based on complex number arithmetic for simultaneous information embedding and encryp…

Abnormal boundary decay for the fractional Laplacian
Soobin Cho, Renming Song
https://arxiv.org/abs/2510.03961 https://arxiv.org/pdf/2510.03961

Abnormal boundary decay for the fractional Laplacian
In this paper, we show that, for $α\in (0,2)$, the $C^{1, \rm Dini}$ regularity assumption on an open set $D\subset \mathbb R^d$ is optimal for the standard boundary decay property for nonnegative $α$-harmonic functions in $D$ and for the standard boundary decay property of the heat kernel $p^D(t,x,y)$ of the Dirichlet fractional Laplacian $Δ^{α/2}|_D$ by proving the following: (i) If $D$ is a $C^{1, \rm Dini}$ open set and $h$ is a non-negative function which is $α$-harmonic in $D$ a…

I don't know if a person who uses Hello Kitty toilet paper would do so because they like Hello Kitty or because they don't.

Geometry of Distance Protection
Josh A. Taylor, Alejandro D. Dom\'inguez-Garc\'ia
https://arxiv.org/abs/2510.04379 https://arxiv.org/pdf/2510.04379…

Geometry of Distance Protection
Distance relays detect faults on transmission lines. They face uncertainty from the fault's location and resistance, as well as the current from the line's remote terminal. In this paper, we aggregate this uncertainty with the Minkowski sum. This allows us to explicitly model the power grid surrounding the relay's line, and in turn accommodate any mix of synchronous machines and inverter-based resources. To make the relay's task easier, inverters can inject perturbations, or auxiliary signals, …

Observing Interaction Rather Than Interfaces
Guillaume Rivi\`ere
https://arxiv.org/abs/2510.06156 https://arxiv.org/pdf/2510.06156

Observing Interaction Rather Than Interfaces
The science of Human-Computer Interaction (HCI) is populated by isolated empirical findings, often tied to specific technologies, designs, and tasks. This situation probably lies in observing the wrong object of study, that is to say, observing interfaces rather than interaction. This paper proposes an experimental methodology, powered by a research methodology, that enables tackling the ambition of observing interaction (rather than interfaces). These observations are done during the treatment…