The Price of Privacy: Memory Limits for Tracking Online Users
New research demonstrates that maintaining user privacy in streaming data requires surprisingly large memory resources, fundamentally limiting the efficiency of certain algorithms.
Science
Beyond Endpoint: A New Lens for Graph Query Semantics
This review establishes a formal framework for understanding and comparing the diverse semantics used in Regular Path Queries, moving beyond traditional approaches to graph database queries.
Cosmic Collisions: Unpacking Particle Production in Proton-Oxygen Impacts
![The study examines charged particle production in proton-oxygen collisions across a range of center-of-mass energies ([latex]\sqrt{s} = 2.36, 5.02, 9.62, 13.0 \text{ TeV}[/latex]) and pseudorapidities ([latex]\eta < 0.5, 1.0, 2.0, 3.0[/latex]), demonstrating how different factorization schemes-collinear and [latex]k_T[/latex]-influence the observed multiplicity distributions and requiring visualization adjustments via scaling factors of [latex]10^{-m}[/latex] to reveal subtle differences.](https://arxiv.org/html/2602.11452v1/x13.png)
New research delves into the fundamental patterns of particle creation when protons collide with oxygen nuclei at high energies.
Decoding eBPF: A New Lens on Network Function Security
Researchers have developed a system to analyze the behavior of eBPF-based network functions, offering a way to understand and verify code without revealing its underlying source.
Dark States Illuminate Brighter Single-Photon Sources
![Individual quantum dots exhibiting single-photon blinking at room temperature demonstrate distinct photoluminescence parameters-characterized by varied decay curves and second-order correlation functions [latex]g^{(2)}(\tau)[/latex]-across bright, intermediate, and dark states, revealing a correlation between average lifetime and blinking behavior across a population of nine dots.](https://arxiv.org/html/2602.11385v1/Figure3_21012026.jpeg)
New research reveals a counterintuitive mechanism in perovskite nanocrystals where temporary emission suppression actually enhances the purity of single photons.
Taming the Infinite: A New Approach to Scalar Field Theory
Researchers have developed a systematic method for calculating effective potentials in complex, non-renormalizable scalar field theories, offering improved control over potentially infinite results.
When AI Summaries Lose Context: The Hidden Cost of Compression
A new study reveals how compressing information for retrieval-augmented generation can lead to critical context loss, impacting the quality of AI-powered summaries and responses.
Untangling Quaternion Tensors: A New Approach to Matrix Decomposition
This research unveils a method for efficiently decomposing quaternion tensor matrices, opening doors to streamlined computations in fields like video processing and regularization techniques.
Golden Stability: Unlocking the Secrets of an Unusual Gold Compound
A new theoretical study reveals how the rare Au²⁺ oxidation state is stabilized within the unique crystal structure of Cs₄Au₃Cl₁₂.
Decoding the Cracks: How to Spot When an AI is Being Manipulated
![The method dissects input prompts via [latex]CP[/latex] decomposition to isolate latent factors indicative of adversarial manipulation, then projects new inputs onto these factors to predict layer-wise vulnerability, ultimately bypassing susceptible layers and effectively neutralizing jailbreak attempts.](https://arxiv.org/html/2602.11495v1/x1.png)
New research reveals that subtle changes within a large language model’s internal processing can expose attempts to bypass its safety protocols.