Shielding AI Vision: A New Defense Against Subtle Attacks
Researchers have developed a novel method to make image-and-text AI models more resilient to carefully crafted adversarial inputs designed to mislead them.
Science
Precision Predictions for B-Meson Decay
![The study demonstrates a precise correspondence between Next-to-Next-to-Leading Order (NNLO) differential decay distributions in [latex]b \to X_u \ell \bar{\nu}[/latex] and those derived from fitted [latex]W_i^{(2)}[/latex] distributions, with the analytic results for the [latex]\hat{q}^2[/latex] distribution serving as a foundational element for the fitting procedure.](https://arxiv.org/html/2601.15447v1/x15.png)
New calculations refine our understanding of how B mesons decay into leptons, improving the accuracy of tests for new physics.
Relating Structure to Representation in Quasi Relation Algebras
This review explores how contractions of distributive quasi relation algebras impact their representability, offering new insights into conditions for finite representation.
Boosting 6G Control Channels with Smarter Coding
A new coding scheme, Partially Polarized Polar (PPP) codes, promises to enhance the reliability and efficiency of data transmission in next-generation wireless networks.
Smoothing the Path to Penrose: A New Approach to Spacetime Geometry
![Within a spherically symmetric conformal flow, the Jang slope [latex]Q(r)[/latex] increases monotonically from zero at the horizon, approaching a limiting value of one only asymptotically-a behavior that avoids the finite radius breakdown observed in the Jang/zero divergence system.](https://arxiv.org/html/2601.15359v1/x3.png)
Numerical simulations suggest a novel coupling of the Jang equation with conformal flows overcomes limitations in proving the Penrose inequality, a longstanding problem in general relativity.
Decoding the Heartbeat: A New Approach to ECG Analysis
Researchers have developed a novel contrastive learning framework that enhances ECG analysis by focusing on both the rhythm and individual characteristics of each heartbeat.
Virtual Switch Vulnerability: When Network Traffic Leaks Secrets
New research reveals that Open vSwitch, a cornerstone of modern virtualization, is susceptible to remote side-channel attacks that could compromise network security and VM isolation.
When Random Points Form Sharp Boundaries
New research delves into the subtle conditions that govern how the convex hulls of randomly distributed points transition from sparse to full configurations.
Unlocking a Quantum Puzzle: How Dimer Arrangements Reveal a New Phase of Matter
![The quantum dimer model, studied on a weighted triangular lattice and formalized as [latex] Eq. (5) [/latex], demonstrates a continuous phase transition-from a disordered ‘spin liquid’ to an ordered ‘columnar’ state-reflected in the macroscopic behavior of classical double-dimer coverings, where the prevalence of large loops indicates disorder ([latex]\alpha < 3[/latex]) and small loops/edges signify order ([latex]\alpha > 3[/latex]), offering an intuitive link between classical loop behavior and the observed vison correlator behavior within the quantum system.](https://arxiv.org/html/2601.15377v1/x3.png)
Researchers have pinpointed a topological phase transition in a quantum dimer model, revealing insights into exotic states of matter and their underlying physics.
Probing Strong Interactions with Holographic Defects
New research leverages the AdS/CFT correspondence to calculate correlation functions in defect conformal field theories, offering a powerful tool for understanding strongly coupled systems.