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f252dff2cbc6a0467e638e6b1bc6aa890f30a606153a815775e9ceee0f75474f | 2026-02-02T00:00:00-05:00 | Emotions Where Art Thou: Understanding and Characterizing the Emotional Latent Space of Large Language Models | arXiv:2510.22042v2 Announce Type: replace Abstract: This work investigates how large language models (LLMs) internally represent emotion by analyzing the geometry of their hidden-state space. The paper identifies a low-dimensional emotional manifold and shows that emotional representations are directionally encoded, di... | https://arxiv.org/abs/2510.22042 | Academic Papers | svg |
3b829bc6be9326106f5e259c54325235adb858a25cb8ed8ea6dc24e23e96f79a | 2026-02-02T00:00:00-05:00 | Batch Speculative Decoding Done Right | arXiv:2510.22876v2 Announce Type: replace Abstract: Speculative decoding must produce outputs distribution identical to standard autoregressive generation-this output equivalence is not an optimization target but the defining criterion of valid speculative decoding. We demonstrate that all existing batch speculative de... | https://arxiv.org/abs/2510.22876 | Academic Papers | svg |
6004d982a376eb2ec83a9312d20d2fca3d82215e307bf15887f21c020f31371b | 2026-02-02T00:00:00-05:00 | Equivariant Neural Networks for General Linear Symmetries on Lie Algebras | arXiv:2510.22984v2 Announce Type: replace Abstract: Many scientific and geometric problems exhibit general linear symmetries, yet most equivariant neural networks are built for compact groups or simple vector features, limiting their reuse on matrix-valued data such as covariances, inertias, or shape tensors. We introd... | https://arxiv.org/abs/2510.22984 | Academic Papers | svg |
e541b9106acc35d1f9f0b0875cfbf5dbbbdd67e3822de21c868e8ed869cdc3bd | 2026-02-02T00:00:00-05:00 | Are Agents Probabilistic Automata? A Trace-Based, Memory-Constrained Theory of Agentic AI | arXiv:2510.23487v2 Announce Type: replace Abstract: This paper studies standard controller architectures for agentic AI and derives automata-theoretic models of their interaction behavior via trace semantics and abstraction. We model an agent implementation as a finite control program augmented with explicit memory pri... | https://arxiv.org/abs/2510.23487 | Academic Papers | svg |
b90a0178b989a97a2aac8e2f7f49e9b063e66593bb504802bd660a320f31a2dc | 2026-02-02T00:00:00-05:00 | Key and Value Weights Are Probably All You Need: On the Necessity of the Query, Key, Value weight Triplet in Encoder-Only and Decoder-Only Transformers | arXiv:2510.23912v4 Announce Type: replace Abstract: We theoretically investigate whether the Query, Key, Value weight triplet can be reduced in encoder-only and decoder-only transformers. Under mild assumptions, we prove that Query weights are redundant and can be replaced with the identity matrix, reducing attention p... | https://arxiv.org/abs/2510.23912 | Academic Papers | svg |
557309a50795aed335e79b16f3e4e6961d9f4e248e7172e0badf615e163aa28a | 2026-02-02T00:00:00-05:00 | Can Aha Moments Be Fake? Identifying True and Decorative Thinking Steps in Chain-of-Thought | arXiv:2510.24941v2 Announce Type: replace Abstract: Large language models can generate long chain-of-thought (CoT) reasoning, but it remains unclear whether the verbalized steps reflect the models' internal thinking. In this work, we propose a True Thinking Score (TTS) to quantify the causal contribution of each step i... | https://arxiv.org/abs/2510.24941 | Academic Papers | svg |
8746b01a7f477299f3add446177cbb088ac8bdcbbd2650e4b767cd30747f3713 | 2026-02-02T00:00:00-05:00 | An Analysis of Causal Effect Estimation using Outcome Invariant Data Augmentation | arXiv:2510.25128v2 Announce Type: replace Abstract: The technique of data augmentation (DA) is often used in machine learning for regularization purposes to better generalize under i.i.d. settings. In this work, we present a unifying framework with topics in causal inference to make a case for the use of DA beyond just... | https://arxiv.org/abs/2510.25128 | Academic Papers | svg |
ad5f426f19b739630c9df8f9357e1243d0b2886ab486392dff1274d4d4c49fb9 | 2026-02-02T00:00:00-05:00 | An Aristotelian ontology of instrumental goals: Structural features to be managed and not failures to be eliminated | arXiv:2510.25471v2 Announce Type: replace Abstract: Instrumental goals such as resource acquisition, power-seeking, and self-preservation are key to contemporary AI alignment research, yet the phenomenon's ontology remains under-theorised. This article develops an ontological account of instrumental goals and draws out... | https://arxiv.org/abs/2510.25471 | Academic Papers | svg |
841922589d5be934af827c312b0ba0934f4654c7caac988984a8af4768a6bd29 | 2026-02-02T00:00:00-05:00 | Right for the Right Reasons: Avoiding Reasoning Shortcuts via Prototypical Neurosymbolic AI | arXiv:2510.25497v3 Announce Type: replace Abstract: Neurosymbolic AI is growing in popularity thanks to its ability to combine neural perception and symbolic reasoning in end-to-end trainable models. However, recent findings reveal these are prone to shortcut reasoning, i.e., to learning unindented concepts--or neural ... | https://arxiv.org/abs/2510.25497 | Academic Papers | svg |
5ca2dbb6bebc4c9dcc5d6e47cd2e1febd545bd1ff18f309fd0e64d5a03be9a21 | 2026-02-02T00:00:00-05:00 | Metis-SPECS: Decoupling Multimodal Learning via Self-distilled Preference-based Cold Start | arXiv:2510.25801v3 Announce Type: replace Abstract: Reinforcement learning (RL) with verifiable rewards has recently catalyzed a wave of "MLLM-r1" approaches that bring RL to vision language models. Most representative paradigms begin with a cold start, typically employing supervised fine-tuning (SFT), to initialize th... | https://arxiv.org/abs/2510.25801 | Academic Papers | svg |
2301e80f84f474a563a3a6badd75920efd2de5685e8f665cee978b82dc2a7f03 | 2026-02-02T00:00:00-05:00 | OneTrans: Unified Feature Interaction and Sequence Modeling with One Transformer in Industrial Recommender | arXiv:2510.26104v2 Announce Type: replace Abstract: In recommendation systems, scaling up feature-interaction modules (e.g., Wukong, RankMixer) or user-behavior sequence modules (e.g., LONGER) has achieved notable success. However, these efforts typically proceed on separate tracks, which not only hinders bidirectional... | https://arxiv.org/abs/2510.26104 | Academic Papers | svg |
dfac74e5b608ec6e08065327395e60cdd42e84f9cfdc17a18a42ec27ce4e11ff | 2026-02-02T00:00:00-05:00 | BOTS: A Unified Framework for Bayesian Online Task Selection in LLM Reinforcement Finetuning | arXiv:2510.26374v3 Announce Type: replace Abstract: Reinforcement finetuning (RFT) is a key technique for aligning Large Language Models (LLMs) with human preferences and enhancing reasoning, yet its effectiveness is highly sensitive to which tasks are explored during training. Uniform task sampling is inefficient, was... | https://arxiv.org/abs/2510.26374 | Academic Papers | svg |
bca4c8dd70d188828e44e804c2ebe875dff3f378201d6db96f6bc0a39153f802 | 2026-02-02T00:00:00-05:00 | LoCoT2V-Bench: Benchmarking Long-Form and Complex Text-to-Video Generation | arXiv:2510.26412v2 Announce Type: replace Abstract: Recent advances in text-to-video generation have achieved impressive performance on short clips, yet evaluating long-form generation under complex textual inputs remains a significant challenge. In response to this challenge, we present LoCoT2V-Bench, a benchmark for ... | https://arxiv.org/abs/2510.26412 | Academic Papers | svg |
4e2080a2d00738392277092f137c53104832622350ae380af9eb4ffe64da35aa | 2026-02-02T00:00:00-05:00 | A Comprehensive Evaluation and Practice of System Penetration Testing | arXiv:2510.26555v2 Announce Type: replace Abstract: With the rapid advancement of information technology, the complexity of applications continues to increase, and the cybersecurity challenges we face are also escalating. This paper aims to investigate the methods and practices of system security penetration testing, e... | https://arxiv.org/abs/2510.26555 | Academic Papers | svg |
c44e6bbd1c17f4a742cae18f9f0ee0b39574c6906196fe20f51df5d7ea50ac78 | 2026-02-02T00:00:00-05:00 | CATArena: Evaluating Evolutionary Capabilities of Code Agents via Iterative Tournaments | arXiv:2510.26852v2 Announce Type: replace Abstract: Current evaluation for Large Language Model (LLM) code agents predominantly focus on generating functional code in single-turn scenarios, which fails to evaluate the agent's capability for continuous code optimization and multi-turn iterative development. To bridge th... | https://arxiv.org/abs/2510.26852 | Academic Papers | svg |
d4a6e21760b36ef2039a7243d39322ef4062914aa9c57bdc949e5d69003a7f8f | 2026-02-02T00:00:00-05:00 | Closing the Expression Gap in LLM Instructions via Socratic Questioning | arXiv:2510.27410v3 Announce Type: replace Abstract: A fundamental bottleneck in human-AI collaboration is the ``intention expression gap," the difficulty for humans to effectively convey complex, high-dimensional thoughts to AI. This challenge often traps users in inefficient trial-and-error loops and is exacerbated by... | https://arxiv.org/abs/2510.27410 | Academic Papers | svg |
d17d845c2865eafdd2bc2aeecb6e7dcee1663d72c951a6a87fc2d6e6c2327a02 | 2026-02-02T00:00:00-05:00 | NegoCollab: A Common Representation Negotiation Approach for Heterogeneous Collaborative Perception | arXiv:2510.27647v3 Announce Type: replace Abstract: Collaborative perception improves task performance by expanding the perception range through information sharing among agents. . Immutable heterogeneity poses a significant challenge in collaborative perception, as participating agents may employ different and fixed p... | https://arxiv.org/abs/2510.27647 | Academic Papers | svg |
b6fd91b3dccb3e558f101e5b64616ff99b5ea2498bc9c6d7fb908385d7ff95a2 | 2026-02-02T00:00:00-05:00 | Sharpness-Guided Group Relative Policy Optimization via Probability Shaping | arXiv:2511.00066v3 Announce Type: replace Abstract: Reinforcement learning with verifiable rewards (RLVR) has become a practical route to improve large language model reasoning, and Group Relative Policy Optimization (GRPO) is a widely used optimizer in this setting. However, RLVR training is typically performed with l... | https://arxiv.org/abs/2511.00066 | Academic Papers | svg |
2694afc346a38ed8b13ac9bbf28a4422ac2296a5e6044a0cd0d7168f0bc3e22a | 2026-02-02T00:00:00-05:00 | Latent Domain Prompt Learning for Vision-Language Models | arXiv:2511.00067v2 Announce Type: replace Abstract: The objective of domain generalization (DG) is to enable models to be robust against domain shift. DG is crucial for deploying vision-language models (VLMs) in real-world applications, yet most existing methods rely on domain labels that may not be available and often... | https://arxiv.org/abs/2511.00067 | Academic Papers | svg |
ab6381dfbacfa0bcc125ee9cf4561d8e9034c795846c94338a78398e9814627a | 2026-02-02T00:00:00-05:00 | Reviving Stale Updates: Data-Free Knowledge Distillation for Asynchronous Federated Learning | arXiv:2511.00655v2 Announce Type: replace Abstract: Federated learning (FL) enables collaborative model training across distributed clients without sharing raw data, yet its scalability is limited by synchronization overhead. Asynchronous federated learning (AFL) alleviates this issue by allowing clients to communicate... | https://arxiv.org/abs/2511.00655 | Academic Papers | svg |
e4a35409375cb6314b16572ee8f75a5a64399eccf3f61073106878076dd1ca1b | 2026-02-02T00:00:00-05:00 | Multi-Step Knowledge Interaction Analysis via Rank-2 Subspace Disentanglement | arXiv:2511.01706v2 Announce Type: replace Abstract: Natural Language Explanations (NLEs) describe how Large Language Models (LLMs) make decisions by drawing on external Context Knowledge (CK) and Parametric Knowledge (PK). Understanding the interaction between these sources is key to assessing NLE grounding, yet these ... | https://arxiv.org/abs/2511.01706 | Academic Papers | svg |
e6eafdd14b64c73f9090063165e352b7e88a2bea5c60b8bd26427c9bdeb0b7d6 | 2026-02-02T00:00:00-05:00 | On the Coordination of Value-Maximizing Bidders | arXiv:2511.04993v2 Announce Type: replace Abstract: While the auto-bidding literature predominantly considers independent bidding, we investigate the coordination problem among multiple auto-bidders in online advertising platforms. Two motivating scenarios are: collaborative bidding among multiple bidders managed by a ... | https://arxiv.org/abs/2511.04993 | Academic Papers | svg |
65f9cac853851f13f3360b19baa2766e91a1b55770ed2b2aab14a13d906eb94d | 2026-02-02T00:00:00-05:00 | Multi-agent Coordination via Flow Matching | arXiv:2511.05005v2 Announce Type: replace Abstract: This work presents MAC-Flow, a simple yet expressive framework for multi-agent coordination. We argue that requirements of effective coordination are twofold: (i) a rich representation of the diverse joint behaviors present in offline data and (ii) the ability to act ... | https://arxiv.org/abs/2511.05005 | Academic Papers | svg |
8e1c7b383c8643fc7edc901a206577c802b81745675f83ba15282a9d417b0d96 | 2026-02-02T00:00:00-05:00 | Omni-View: Unlocking How Generation Facilitates Understanding in Unified 3D Model based on Multiview images | arXiv:2511.07222v2 Announce Type: replace Abstract: This paper presents Omni-View, which extends the unified multimodal understanding and generation to 3D scenes based on multiview images, exploring the principle that "generation facilitates understanding". Consisting of understanding model, texture module, and geometr... | https://arxiv.org/abs/2511.07222 | Academic Papers | svg |
f68669ddea819813ce2941c7b08c149d68db82d853e9b9bdc32ba555ddbdfd77 | 2026-02-02T00:00:00-05:00 | Breaking the Adversarial Robustness-Performance Trade-off in Text Classification via Manifold Purification | arXiv:2511.07888v2 Announce Type: replace Abstract: A persistent challenge in text classification (TC) is that enhancing model robustness against adversarial attacks typically degrades performance on clean data. We argue that this challenge can be resolved by modeling the distribution of clean samples in the encoder em... | https://arxiv.org/abs/2511.07888 | Academic Papers | svg |
0c474b7c11692635e25c352a4f36c7d6f8a9698950566c2d5312175dc129c7e6 | 2026-02-02T00:00:00-05:00 | MACEval: A Multi-Agent Continual Evaluation Network for Large Models | arXiv:2511.09139v2 Announce Type: replace Abstract: Hundreds of benchmarks dedicated to evaluating large models have been presented over the past few years. However, most of them remain closed-ended and are prone to overfitting due to the potential data contamination. Moreover, the increasing scale and scope of current... | https://arxiv.org/abs/2511.09139 | Academic Papers | svg |
dc0889be37bde620d6583dc771bff52bf5bca63413a08c0bd0d400516a6093db | 2026-02-02T00:00:00-05:00 | SiDGen: Structure-informed Diffusion for Generative modeling of Ligands for Proteins | arXiv:2511.09529v3 Announce Type: replace Abstract: Structure-based drug design (SBDD) faces a fundamental scaling fidelity dilemma: rich pocket-aware conditioning captures interaction geometry but can be costly, often scales quadratically ($O(L^2)$) or worse with protein length ($L$), while efficient sequence-only con... | https://arxiv.org/abs/2511.09529 | Academic Papers | svg |
57be49021535e02478c936f4aa7a084aeb3ea4633fe66959aa2474ee5e3ad82a | 2026-02-02T00:00:00-05:00 | Optimal Fairness under Local Differential Privacy | arXiv:2511.16377v2 Announce Type: replace Abstract: We investigate how to optimally design local differential privacy (LDP) mechanisms that reduce data unfairness and thereby improve fairness in downstream classification. We first derive a closed-form optimal mechanism for binary sensitive attributes and then develop a... | https://arxiv.org/abs/2511.16377 | Academic Papers | svg |
7e218333f63972021b89cf2bd526804db82747a43255fdaaa2a474b4304acd34 | 2026-02-02T00:00:00-05:00 | Geometric-disentangelment Unlearning | arXiv:2511.17100v3 Announce Type: replace Abstract: Large language models (LLMs) can internalize private or harmful content, motivating unlearning that removes a forget set while preserving retaining knowledge. However, forgetting updates often cause collateral degradation on retaining knowledge, creating a persistent ... | https://arxiv.org/abs/2511.17100 | Academic Papers | svg |
320a774c87b03eaef8b0657de4cc16073456b4c777722c4d4891aca511d9fd3e | 2026-02-02T00:00:00-05:00 | RoboArmGS: High-Quality Robotic Arm Splatting via B\'ezier Curve Refinement | arXiv:2511.17961v2 Announce Type: replace Abstract: Constructing photorealistic and controllable robotic arm digital assets from real observations is fundamental to robotic applications. Current approaches naively bind static 3D Gaussians according to URDF links, forcing them to follow an URDF-rigged motion passively. ... | https://arxiv.org/abs/2511.17961 | Academic Papers | svg |
ef55d30d85bc32e8c88427274f56b3bf9eb051163f40ffbbd4d0e3c81f33ded2 | 2026-02-02T00:00:00-05:00 | What Helps Language Models Predict Human Beliefs: Demographics or Prior Stances? | arXiv:2511.18616v2 Announce Type: replace Abstract: Beliefs shape how people reason, communicate, and behave. Rather than existing in isolation, they exhibit a rich correlational structure--some connected through logical dependencies, others through indirect associations or social processes. As usage of large language ... | https://arxiv.org/abs/2511.18616 | Academic Papers | svg |
cfd075dc7ed37d84ed9d37f1cb1af337b4d31beb0523d3c3c21a94baae91ade7 | 2026-02-02T00:00:00-05:00 | SSA: Sparse Sparse Attention by Aligning Full and Sparse Attention Outputs in Feature Space | arXiv:2511.20102v2 Announce Type: replace Abstract: Sparse attention reduces the quadratic complexity of full self-attention but faces two challenges: (1) an attention gap, where applying sparse attention to full-attention-trained models causes performance degradation due to train-inference distribution mismatch, and (... | https://arxiv.org/abs/2511.20102 | Academic Papers | svg |
ab37ccc094f6cef1f96609e721356a2a724ecb3be43bcc189223defe79434225 | 2026-02-02T00:00:00-05:00 | HAFO: A Force-Adaptive Control Framework for Humanoid Robots in Intense Interaction Environments | arXiv:2511.20275v4 Announce Type: replace Abstract: Reinforcement learning (RL) controllers have made impressive progress in humanoid locomotion and light-weight object manipulation. However, achieving robust and precise motion control with intense force interaction remains a significant challenge. To address these lim... | https://arxiv.org/abs/2511.20275 | Academic Papers | svg |
42b31fa9412e27395a1f598556040f71d180d583ab26d86692e2b3196332dc5b | 2026-02-02T00:00:00-05:00 | Readout-Side Bypass for Residual Hybrid Quantum-Classical Models | arXiv:2511.20922v3 Announce Type: replace Abstract: Quantum machine learning (QML) promises compact and expressive representations, but suffers from the measurement bottleneck - a narrow quantum-to-classical readout that limits performance and amplifies privacy risk. We propose a lightweight residual hybrid architectur... | https://arxiv.org/abs/2511.20922 | Academic Papers | svg |
bd6a1152e33f1775f25a5813630bf0038dac4a322a81cdcab96e03f7e49a8bd7 | 2026-02-02T00:00:00-05:00 | Robust gene prioritization for Dietary Restriction via Fast-mRMR Feature Selection techniques | arXiv:2511.21211v2 Announce Type: replace Abstract: Gene prioritization (identifying genes potentially associated with a biological process) is increasingly tackled with Artificial Intelligence. However, existing methods struggle with the high dimensionality and incomplete labelling of biomedical data. This work propos... | https://arxiv.org/abs/2511.21211 | Academic Papers | svg |
b110be2792079cd34c7ca5e30bef1a50e3fcca68b08b18ae64e331ca44fb367c | 2026-02-02T00:00:00-05:00 | TALES: A Taxonomy and Analysis of Cultural Representations in LLM-generated Stories | arXiv:2511.21322v2 Announce Type: replace Abstract: Millions of users across the globe turn to AI chatbots for their creative needs, inviting widespread interest in understanding how they represent diverse cultures. However, evaluating cultural representations in open-ended tasks remains challenging and underexplored. ... | https://arxiv.org/abs/2511.21322 | Academic Papers | svg |
9ddeb71bdd376dc21cb28f05b074f81cd30aa71165f1c7879d2bcbc40ae5d8d4 | 2026-02-02T00:00:00-05:00 | Age Optimal Sampling and Routing under Intermittent Links and Energy Constraints | arXiv:2512.00985v2 Announce Type: replace Abstract: Links in practical systems, such as satellite--terrestrial integrated networks, exhibit distinct delay distributions, intermittent availability, and heterogeneous energy costs. These characteristics pose significant challenges to maintaining timely and energy-efficien... | https://arxiv.org/abs/2512.00985 | Academic Papers | svg |
3c3d93c8ee86e42d7b48b631adaec6c217f1f3e34feda7f3c3e34340ebbc15d4 | 2026-02-02T00:00:00-05:00 | Beyond Retrieval: A Modular Benchmark for Academic Deep Research Agents | arXiv:2512.00986v2 Announce Type: replace Abstract: A surge in academic publications calls for automated deep research (DR) systems, but accurately evaluating them is still an open problem. First, existing benchmarks often focus narrowly on retrieval while neglecting high-level planning and reasoning. Second, existing ... | https://arxiv.org/abs/2512.00986 | Academic Papers | svg |
49ef5655ee6a80ce4a8e477075be623550f675545dc8ba1d3c4326d618bebe53 | 2026-02-02T00:00:00-05:00 | ChartAnchor: Chart Grounding with Structural-Semantic Fidelity | arXiv:2512.01017v3 Announce Type: replace Abstract: Recent advances in multimodal large language models (MLLMs) highlight the need for benchmarks that rigorously evaluate structured chart comprehension. Chart grounding refers to the bidirectional alignment between a chart's visual appearance and its structured semantic... | https://arxiv.org/abs/2512.01017 | Academic Papers | svg |
7a9a0a606503d6e3e9393f3559b9e8f3ba5cdf8d7c9d36b2f1970b2c6882d805 | 2026-02-02T00:00:00-05:00 | Structured Spectral Reasoning for Frequency-Adaptive Multimodal Recommendation | arXiv:2512.01372v3 Announce Type: replace Abstract: Multimodal recommendation aims to integrate collaborative signals with heterogeneous content such as visual and textual information, but remains challenged by modality-specific noise, semantic inconsistency, and unstable propagation over user-item graphs. These issues... | https://arxiv.org/abs/2512.01372 | Academic Papers | svg |
69cc86dbf8006a9568635dd457f10009af0fe89cb2f36b9af780c918b34d701b | 2026-02-02T00:00:00-05:00 | Tuning-Free Structured Sparse Recovery of Multiple Measurement Vectors using Implicit Regularization | arXiv:2512.03393v2 Announce Type: replace Abstract: Recovering jointly sparse signals in the multiple measurement vectors (MMV) setting is a fundamental problem in machine learning, but traditional methods often require careful parameter tuning or prior knowledge of the sparsity of the signal and/or noise variance. We ... | https://arxiv.org/abs/2512.03393 | Academic Papers | svg |
6c0aa1580c638413ff18c8c6e73f601e970747b3ce85e4f6f13690fe54611a91 | 2026-02-02T00:00:00-05:00 | An Automated Framework for Large-Scale Graph-Based Cerebrovascular Analysis | arXiv:2512.03869v3 Announce Type: replace Abstract: We present CaravelMetrics, a computational framework for automated cerebrovascular analysis that models vessel morphology through skeletonization-derived graph representations. The framework integrates atlas-based regional parcellation, centerline extraction, and grap... | https://arxiv.org/abs/2512.03869 | Academic Papers | svg |
aaa191f3c86cb1758ade0c514ae33d8cdcca24d2a6722bea7184e68604386c7a | 2026-02-02T00:00:00-05:00 | EtCon: Edit-then-Consolidate for Reliable Knowledge Editing | arXiv:2512.04753v2 Announce Type: replace Abstract: Knowledge editing aims to update specific facts in large language models (LLMs) without full retraining. Prior efforts sought to tune the knowledge layers of LLMs, achieving improved performance in controlled, teacher-forced evaluations. However, they still encounter ... | https://arxiv.org/abs/2512.04753 | Academic Papers | svg |
04f43e573718d8ab7c7300a55cd5e1c926a94dd2762783aa69defe15d524ac1d | 2026-02-02T00:00:00-05:00 | SHAP-Guided Kernel Actor-Critic for Explainable Reinforcement Learning | arXiv:2512.05291v2 Announce Type: replace Abstract: Actor-critic (AC) methods are a cornerstone of reinforcement learning (RL) but offer limited interpretability. Current explainable RL methods seldom use state attributions to assist training. Rather, they treat all state features equally, thereby neglecting the hetero... | https://arxiv.org/abs/2512.05291 | Academic Papers | svg |
627ac8534c4c4f6a98223e0ad77cfa841c40be846a40755c58eb4ea9389537ae | 2026-02-02T00:00:00-05:00 | Mitigating the Safety Alignment Tax with Null-Space Constrained Policy Optimization | arXiv:2512.11391v2 Announce Type: replace Abstract: As Large Language Models (LLMs) are increasingly deployed in real-world applications, it is important to ensure their behaviors align with human values, societal norms, and ethical principles. However, safety alignment under Reinforcement Learning (RL) often suffers f... | https://arxiv.org/abs/2512.11391 | Academic Papers | svg |
13972954ba02658a2479adce7ee2e531982b29335a794a1dd70280993b662a93 | 2026-02-02T00:00:00-05:00 | Bounding Hallucinations: Information-Theoretic Guarantees for RAG Systems via Merlin-Arthur Protocols | arXiv:2512.11614v2 Announce Type: replace Abstract: Retrieval-augmented generation (RAG) relies on retrieved context to guide large language models (LLM), yet treats retrieval as a weak heuristic rather than verifiable evidence -- leading to unsupported answers, hallucinations, and reliance on spurious context. We intr... | https://arxiv.org/abs/2512.11614 | Academic Papers | svg |
5bfe11efc542be0a560a4addcd59eebd95bf613051e8bcbaa1baeb647d56dda6 | 2026-02-02T00:00:00-05:00 | Video Deepfake Abuse: How Company Choices Predictably Shape Misuse Patterns | arXiv:2512.11815v2 Announce Type: replace Abstract: In 2022, AI image generators crossed a key threshold, enabling much more efficient and dynamic production of photorealistic deepfake images than before. This enabled opportunities for creative and positive uses of these models. However, it also enabled unprecedented o... | https://arxiv.org/abs/2512.11815 | Academic Papers | svg |
29ec692da57fe9908c2dfaee023472616cc0a7b38513ecadf9217001b0776297 | 2026-02-02T00:00:00-05:00 | ReGlove: A Soft Pneumatic Glove for Activities of Daily Living Assistance via Wrist-Mounted Vision | arXiv:2512.11824v2 Announce Type: replace Abstract: This paper presents ReGlove, a system that converts low-cost commercial pneumatic rehabilitation gloves into vision-guided assistive orthoses. Chronic upper-limb impairment affects millions worldwide, yet existing assistive technologies remain prohibitively expensive ... | https://arxiv.org/abs/2512.11824 | Academic Papers | svg |
191f1f3b11e6aa1583f65c9a14525400f7044e696317a86c9d0c2b30875bef9e | 2026-02-02T00:00:00-05:00 | From Tokens to Photons: Test-Time Physical Prompting for Vision-Language Models | arXiv:2512.12571v2 Announce Type: replace Abstract: To extend the application of vision-language models (VLMs) from web images to sensor-mediated physical environments, we propose Multi-View Physical-prompt for Test-Time Adaptation (MVP), a forward-only framework that moves test-time adaptation (TTA) from tokens to pho... | https://arxiv.org/abs/2512.12571 | Academic Papers | svg |
1ed73776aeb2830522638fd6537bee16f0425c0561801e50ad6ea5be2412b5b7 | 2026-02-02T00:00:00-05:00 | Dual-Phase Federated Deep Unlearning via Weight-Aware Rollback and Reconstruction | arXiv:2512.13381v2 Announce Type: replace Abstract: Federated Unlearning (FUL) focuses on client data and computing power to offer a privacy-preserving solution. However, high computational demands, complex incentive mechanisms, and disparities in client-side computing power often lead to long times and higher costs. T... | https://arxiv.org/abs/2512.13381 | Academic Papers | svg |
1604e747f1b033f0147174f5f5915cf186bfec07a58a63d660850171e24fbae2 | 2026-02-02T00:00:00-05:00 | Random-Bridges as Stochastic Transports for Generative Models | arXiv:2512.14190v2 Announce Type: replace Abstract: This paper motivates the use of random-bridges -- stochastic processes conditioned to take target distributions at fixed timepoints -- in the realm of generative modelling. Herein, random-bridges can act as stochastic transports between two probability distributions w... | https://arxiv.org/abs/2512.14190 | Academic Papers | svg |
6eafb6849c240e04b7a1794701adb5fb0722a9e6a9ea3574dffd8988b074e166 | 2026-02-02T00:00:00-05:00 | Uni-Parser Technical Report | arXiv:2512.15098v3 Announce Type: replace Abstract: This technical report introduces Uni-Parser, an industrial-grade document parsing engine tailored for scientific literature and patents, delivering high throughput, robust accuracy, and cost efficiency. Unlike pipeline-based document parsing methods, Uni-Parser employ... | https://arxiv.org/abs/2512.15098 | Academic Papers | svg |
c0b861ea5f454eecb9b9c70fb709b7f9edf5ccd1de83d1a5623bf8301b2d636b | 2026-02-02T00:00:00-05:00 | RefineBridge: Generative Bridge Models Improve Financial Forecasting by Foundation Models | arXiv:2512.21572v2 Announce Type: replace Abstract: Financial time series forecasting is particularly challenging for transformer-based time series foundation models (TSFMs) due to non-stationarity, heavy-tailed distributions, and high-frequency noise present in data. Low-rank adaptation (LoRA) has become a popular par... | https://arxiv.org/abs/2512.21572 | Academic Papers | svg |
161789b3eafdbdfd91039a4fac887e550cc9f0ef13698abe31f263288d1a0a52 | 2026-02-02T00:00:00-05:00 | Multi-agent Adaptive Mechanism Design | arXiv:2512.21794v2 Announce Type: replace Abstract: We study a sequential mechanism design problem in which a principal seeks to elicit truthful reports from multiple rational agents while starting with no prior knowledge of agents' beliefs. We introduce Distributionally Robust Adaptive Mechanism (DRAM), a general fram... | https://arxiv.org/abs/2512.21794 | Academic Papers | svg |
f54cb57ee54352450de6b14555888cbcacb86134c1fdeda4153f416ec2e049d7 | 2026-02-02T00:00:00-05:00 | SLIM-Brain: A Data- and Training-Efficient Foundation Model for fMRI Data Analysis | arXiv:2512.21881v3 Announce Type: replace Abstract: Foundation models are emerging as a powerful paradigm for fMRI analysis, but current approaches face a dual bottleneck of data- and training-efficiency. Atlas-based methods aggregate voxel signals into fixed regions of interest, reducing data dimensionality but discar... | https://arxiv.org/abs/2512.21881 | Academic Papers | svg |
05b9af5b2e666c43970bc3927760013c2d439cb02c5b2f292e9f109d9b9e56f8 | 2026-02-02T00:00:00-05:00 | Towards a Benchmark for Dependency Decision-Making | arXiv:2601.00205v2 Announce Type: replace Abstract: AI coding agents increasingly modify real software repositories and make dependency decisions, including adding, removing, or updating third-party packages. These choices can materially affect security posture and maintenance burden, yet repository-level evaluations l... | https://arxiv.org/abs/2601.00205 | Academic Papers | svg |
60e3bcad086ec02ade556057d38986da566d94e147449acd7a5dedac9bf8f160 | 2026-02-02T00:00:00-05:00 | Deep Delta Learning | arXiv:2601.00417v2 Announce Type: replace Abstract: The effectiveness of deep residual networks hinges on the identity shortcut connection. While this mechanism alleviates the vanishing-gradient problem, it also has a strictly additive inductive bias on feature transformations, limiting the network's ability to model c... | https://arxiv.org/abs/2601.00417 | Academic Papers | svg |
e0ba5da409d36f12ad546916fa5a9f19f9ecfa888816f3d09a392e62e8f78739 | 2026-02-02T00:00:00-05:00 | IRPM: Intergroup Relative Preference Modeling for Pointwise Generative Reward Models | arXiv:2601.00677v2 Announce Type: replace Abstract: Generative Reward Models (GRMs) have demonstrated strong performance in reward modeling, due to their interpretability and potential for refinement through reinforcement learning (RL). However, widely used pairwise GRMs create a computational bottleneck in reinforceme... | https://arxiv.org/abs/2601.00677 | Academic Papers | svg |
df7d7a7b239c62e5d650b979081ba5acbb2adf862b371fd3126e6db771952827 | 2026-02-02T00:00:00-05:00 | AnimatedLLM: Explaining LLMs with Interactive Visualizations | arXiv:2601.04213v2 Announce Type: replace Abstract: Large language models (LLMs) are becoming central to natural language processing education, yet materials showing their mechanics are sparse. We present AnimatedLLM, an interactive web application that provides step-by-step visualizations of a Transformer language mod... | https://arxiv.org/abs/2601.04213 | Academic Papers | svg |
22fa5844510494010dc23f9b4844a72b94c1ffe62737795817af12b37be0df5d | 2026-02-02T00:00:00-05:00 | Emergent Coordination in Multi-Agent Systems via Pressure Fields and Temporal Decay | arXiv:2601.08129v3 Announce Type: replace Abstract: Current multi-agent LLM frameworks rely on explicit orchestration patterns borrowed from human organizational structures: planners delegate to executors, managers coordinate workers, and hierarchical control flow governs agent interactions. These approaches suffer fro... | https://arxiv.org/abs/2601.08129 | Academic Papers | svg |
49b4f9196184a4eefe6e8877b0a4b3703e7985a5e04aac6c5120d9eb1e5f04eb | 2026-02-02T00:00:00-05:00 | DeepResearch Bench II: Diagnosing Deep Research Agents via Rubrics from Expert Report | arXiv:2601.08536v2 Announce Type: replace Abstract: Deep Research Systems (DRS) aim to help users search the web, synthesize information, and deliver comprehensive investigative reports. However, how to rigorously evaluate these systems remains under-explored. Existing deep-research benchmarks often fall into two failu... | https://arxiv.org/abs/2601.08536 | Academic Papers | svg |
5974c3a9728977232d8bcbf206086fe4f2933dbd93c48492050c776089bdbe0f | 2026-02-02T00:00:00-05:00 | ATOD: An Evaluation Framework and Benchmark for Agentic Task-Oriented Dialogue Systems | arXiv:2601.11854v2 Announce Type: replace Abstract: Recent advances in task-oriented dialogue (TOD) systems, driven by large language models (LLMs) with extensive API and tool integration, have enabled conversational agents to coordinate interleaved goals, maintain long-horizon context, and act proactively through asyn... | https://arxiv.org/abs/2601.11854 | Academic Papers | svg |
feb2571557e56c58eecee0e589673a2a74becef774b7a02bceb26c6ae7bf5209 | 2026-02-02T00:00:00-05:00 | A combined criterion of surface free energy and roughness to predict the wettability of non-ideal low-energy surfaces | arXiv:2601.22172v1 Announce Type: new Abstract: The significance of wettability between solid and liquid substances in different fields encourages scientists to develop accurate models to estimate the resultant apparent contact angles. Surface free energy (SFE), which is principally defined for ideal (flat) surfaces, i... | https://arxiv.org/abs/2601.22172 | Academic Papers | svg |
66b5f4e207124eb027edbc30426e49ae4e2a82feaa3cea6df20045189b916fbb | 2026-02-02T00:00:00-05:00 | Universal rapid machine learning models for predicting unconvoluted and convoluted X-ray Absorption Spectra | arXiv:2601.22173v1 Announce Type: new Abstract: X-ray absorption near edge structure (XANES) is an essential tool for elucidating the atomic-scale, local three-dimensional (3D) structure of given materials and molecules. The rapid computation of XANES based on molecular 3D structures constitutes a vital element of quan... | https://arxiv.org/abs/2601.22173 | Academic Papers | svg |
246aa6daf0bfcb64e44ed3383d8350c8de56f787bc020c6a7fddbb85f361f369 | 2026-02-02T00:00:00-05:00 | Resonant Coupling Between Electromagnetic Waves and Protein Conformational Dynamics Revealed by Molecular Dynamics Simulations | arXiv:2601.22180v1 Announce Type: new Abstract: The biological effects of electromagnetic fields on proteins remain controversial beyond well-established thermal mechanisms, particularly with respect to frequency-dependent responses. Here, we propose that electromagnetic waves can modulate protein conformation through ... | https://arxiv.org/abs/2601.22180 | Academic Papers | svg |
8c53e3fcc5a69e8efff7137abfd93408b8400bd2bf6dd3c9368d9542061c66a1 | 2026-02-02T00:00:00-05:00 | Performance evaluation of an offshore wave measurement buoy in monochromatic waves | arXiv:2601.22186v1 Announce Type: new Abstract: The accurate measurement of waves underpins marine energy resource characterization, device design, and project development. Datawell wave buoys are widely deployed around the world and have long served as a trusted standard for wave measurements. We quantify the measurem... | https://arxiv.org/abs/2601.22186 | Academic Papers | svg |
68cedcd9b72cbd59977b129932210d12b6b28d6666633724f25bec1cd57600fc | 2026-02-02T00:00:00-05:00 | The Beta-Bound: Drift constraints for Gated Quantum Probabilities | arXiv:2601.22188v1 Announce Type: new Abstract: Quantum mechanics provides extraordinarily accurate probabilistic predictions, yet the framework remains silent on what distinguishes quantum systems from definite measurement outcomes. This paper develops a measurement-theoretic framework for projective gating. The centr... | https://arxiv.org/abs/2601.22188 | Academic Papers | svg |
3435d77522d109a697c9117ccc00b99371fdcc69bec81dc86c5ecce59ddcd786 | 2026-02-02T00:00:00-05:00 | Chitosan/alginate bionanocomposites adorned with mesoporous silica nanoparticles for bone tissue engineering | arXiv:2601.22192v1 Announce Type: new Abstract: The regeneration of oral and craniofacial bone defects ranging from minor periodontal and peri-implant defects to large and critical lesions imposes a substantial global health burden. Conventional therapies are associated with several limitations, highlighting the develo... | https://arxiv.org/abs/2601.22192 | Academic Papers | svg |
13d3123a8cdeafb1064756ca4a94d5e47af6a8581f6ec8a243771ea6765232d6 | 2026-02-02T00:00:00-05:00 | Zero-information limit of a collective olfactory search model | arXiv:2601.22233v1 Announce Type: new Abstract: We address the problem of how individuals can integrate efficiently their private behavior with information provided by others within a group. To this end, we consider the model of collective search introduced in [https://doi.org/10.1103/PhysRevE.102.012402], under a mini... | https://arxiv.org/abs/2601.22233 | Academic Papers | svg |
8a66b0f508d87a2565e69dcfd02d779eb2cc0d6fc7479fbfc58db32de2d70750 | 2026-02-02T00:00:00-05:00 | Time-domain optical coherence tomography at 2 $\mu\mathrm{m}$ using GaSb-based broadband superluminescent diode | arXiv:2601.22261v1 Announce Type: new Abstract: We report a time-domain optical coherence tomography (TD-OCT) system operating in the 2 $\mu\mathrm{m}$ spectral region, enabled by a GaSb-based superluminescent diode (SLD). The spectrum emitted by the SLD exhibits a full-width half-maximum (FWHM) of $\sim$80 nm centred ... | https://arxiv.org/abs/2601.22261 | Academic Papers | svg |
9ef1db9b96c92047ddd1c684e079e95426ea3a4874f564082ad092aee00bbe79 | 2026-02-02T00:00:00-05:00 | Distinguishable spreading dynamics in microbial communities | arXiv:2601.22293v1 Announce Type: new Abstract: A packed community of exponentially proliferating microbes will spread in size exponentially. However, due to nutrient depletion, mechanical constraints, or other limitations, exponential proliferation is not indefinite, and the spreading slows. Here, we theoretically exp... | https://arxiv.org/abs/2601.22293 | Academic Papers | svg |
b0e40c23d94ce6163a68afc730e3e522b82be3074fb5c9b583a10b9c04bcf2aa | 2026-02-02T00:00:00-05:00 | Online unsupervised Hebbian learning in deep photonic neuromorphic networks | arXiv:2601.22300v1 Announce Type: new Abstract: While software implementations of neural networks have driven significant advances in computation, the von Neumann architecture imposes fundamental limitations on speed and energy efficiency. Neuromorphic networks, with structures inspired by the brain's architecture, off... | https://arxiv.org/abs/2601.22300 | Academic Papers | svg |
160be70a546db066e367cde44bae56607925ef8359ea16a714ef7437f9a8d9c3 | 2026-02-02T00:00:00-05:00 | Correcting temporal bias in mobility data using time-use surveys | arXiv:2601.22330v1 Announce Type: new Abstract: GPS mobility data is a valuable source of behavioral measurement which is subject to systematic biases including the over- or under-representation of demographic groups, and variations in the quality of location sampling across time. In this paper, we address the challeng... | https://arxiv.org/abs/2601.22330 | Academic Papers | svg |
21d889f15d178b5dc4d5da1f4f01df8ecae757972b673eda44a539399d62ea33 | 2026-02-02T00:00:00-05:00 | High-resolution calorimetric sample platforms for cryogenic thermodynamic studies with multimodal synchrotron x-ray compatibility | arXiv:2601.22342v1 Announce Type: new Abstract: X-ray calorimetric sample platforms combining specific heat and synchrotron x-ray measurements provide a powerful means to investigate fundamental material properties. Calorimeter cell designs featuring a compact heater and thermometer arranged in a sidecar geometry, with... | https://arxiv.org/abs/2601.22342 | Academic Papers | svg |
642d4d418d797fe63a1aa42cebd2c1ae8e66766371047df5c58acf274fc24682 | 2026-02-02T00:00:00-05:00 | Low energy elastic scattering of H, D and T on $^{3}$He and $^{4}$He | arXiv:2601.22360v1 Announce Type: new Abstract: Motivated by the needs of atomic tritium sources for neutrino mass experiments, we present calculations of energy-dependent elastic scattering cross sections of hydrogen isotopes (H, D and T) on helium isotopes ($^3$He and $^4$He) in the temperature range 1~mK to 300~K. T... | https://arxiv.org/abs/2601.22360 | Academic Papers | svg |
f30ca7ba8f4c085a05f83ae9545c0bae985f413dd145c4e8f375639bf4fe9905 | 2026-02-02T00:00:00-05:00 | PPG-Based Heart Rate Accuracy in Diverse Populations: Investigating Inequities Across Body Composition and Skin Tones | arXiv:2601.22377v1 Announce Type: new Abstract: Wearable devices are widely used for heart rate (HR) monitoring, yet their accuracy across diverse body compositions and skin tones remains uncertain. This study evaluated four wrist worn devices (Apple, Fitbit, Samsung, Garmin) in 58 Hispanic adults with Fitzpatrick skin... | https://arxiv.org/abs/2601.22377 | Academic Papers | svg |
431e8b6ea013dcd6f1a404bdc1dc77edca69e5b85316a2ef87a6677368a5d0c8 | 2026-02-02T00:00:00-05:00 | Convergent Discovery of Critical Phenomena Mathematics Across Disciplines: A Cross-Domain Analysis | arXiv:2601.22389v1 Announce Type: new Abstract: Techniques for detecting critical phenomena -- phase transitions where correlation length diverges and small perturbations have large effects -- have been developed across at least eight fields of application over nine decades. We document this convergence pattern. The ph... | https://arxiv.org/abs/2601.22389 | Academic Papers | svg |
84114fe3f837d1d41730b374d2009866d18b9047290660625e850af635decaa5 | 2026-02-02T00:00:00-05:00 | Body Fat, Skin Tone, and the Accuracy of Smartwatch Caloric Expenditure Estimates | arXiv:2601.22391v1 Announce Type: new Abstract: Smartwatches are widely used to estimate caloric expenditure for weight management, clinical decision making, and public health monitoring. These devices combine photoplethysmography, accelerometry, and proprietary algorithms. However, prior studies report substantial err... | https://arxiv.org/abs/2601.22391 | Academic Papers | svg |
15ddc93f9f0184a73662e8892c1b9177c7ca6fe0e9c5c237502db2586af3af5f | 2026-02-02T00:00:00-05:00 | Active Learning vs Traditional Lecturing in Introductory Mechanics: A Pooled Pass-Rate Benchmark Under Common Departmental Assessments from a Latin American Institutional Change Initiative | arXiv:2601.22428v1 Announce Type: new Abstract: Improving student success in introductory physics remains a persistent challenge despite substantial progress from research-based instructional practices. Evidence from the Latin American context remains limited, where resources for instructional change are often constrai... | https://arxiv.org/abs/2601.22428 | Academic Papers | svg |
6edae6879ecf067f29222ba82ddc6c18f4754caf49aeeb54d5bc3aa0e9444273 | 2026-02-02T00:00:00-05:00 | Correlation-Based Diagnostics of Social Contagion Dynamics in Multiplex Networks | arXiv:2601.22459v1 Announce Type: new Abstract: Multiplex contagion dynamics display localization phenomena in which spreading activity concentrates on a subset of layers, as well as delocalized regimes where layers behave collectively. We investigate how these regimes are encoded in temporal correlations of node activ... | https://arxiv.org/abs/2601.22459 | Academic Papers | svg |
913a78bc1ee57293a1ad2771d205b3197674fe18b1803c99bd40eddb1b2a1fc1 | 2026-02-02T00:00:00-05:00 | Observation of Janus Chirality for Coherent Thermal Emission from Metasurfaces | arXiv:2601.22506v1 Announce Type: new Abstract: Metasurfaces emerged as a powerful tool for controlling thermal radiation, yet achieving coherent emission with opposite circular handednesses remains a highly challenging problem. Here, we demonstrate experimentally the Janus chiral thermal emission from metasurfaces wit... | https://arxiv.org/abs/2601.22506 | Academic Papers | svg |
7be7cf4815309045f9983227c10d9c58496aa050e9ab280d77be7e8360da278c | 2026-02-02T00:00:00-05:00 | Linking Extratropical Forecast Degradation to Tropical Cyclones in Physical and AI Models | arXiv:2601.22540v1 Announce Type: new Abstract: Global medium-range weather forecasts suffer occasional failures ("busts"), often linked to tropical cyclones (TCs). We systematically investigate the TC influences by clustering historical TC tracks and comparing skill of forecasts from a physics-based model (ECMWF-IFS) ... | https://arxiv.org/abs/2601.22540 | Academic Papers | svg |
3e2221b0a516c1199e1d45eda3b84e6a001e82466369daf166f546e4f0c7746c | 2026-02-02T00:00:00-05:00 | Strong Coupling Between RF Photons and Plasmons of Electrons on Liquid Helium | arXiv:2601.22552v1 Announce Type: new Abstract: Plasmons, arising from the collective motion of electrons, can interact strongly with electromagnetic fields or photons; this capability has been exploited across a broad range of applications, from chemical reactivity to biosensing. Recently, there has been growing inter... | https://arxiv.org/abs/2601.22552 | Academic Papers | svg |
51d8cb1fa8604a98f46dd0a3af0c013d18677b0638c41ebf6667344185804512 | 2026-02-02T00:00:00-05:00 | Cross-feeding yields high-dimensional chaos and coexistence of species beyond exclusion principle | arXiv:2601.22564v1 Announce Type: new Abstract: Species interactions through cross-feeding via leakage and uptake of chemicals are important in microbial communities, and play an essential role in the coexistence of diverse species. Here, we study a simple dynamical model of a microbial community in which species inter... | https://arxiv.org/abs/2601.22564 | Academic Papers | svg |
7ed5b95a6823ed2cb7d61c0a4116d627775d5101200a1a5966175afe9ecc4959 | 2026-02-02T00:00:00-05:00 | Sculpting of Martian brain terrain reveals the drying of ancient Mars | arXiv:2601.22606v1 Announce Type: new Abstract: The Martian brain terrain (MBT), characterized by its unique brain-like morphology, is a potential geological archive for finding hints of paleoclimatic conditions during its formation period. The morphological similarity of MBT to self-organized patterned ground on Earth... | https://arxiv.org/abs/2601.22606 | Academic Papers | svg |
cbec9155bed08e83e75b61013e9d14fd1c291598dc518b91c9a7fa59c12b7898 | 2026-02-02T00:00:00-05:00 | Fluid transport by a single active filament in a three-dimensional two-phase flow | arXiv:2601.22698v1 Announce Type: new Abstract: Micro-scale cilia play a vital role in mucociliary clearance (MCC) in the human respiratory airways. In this numerical study, we examine fluid transport driven by the active beating of a single filament immersed in a three-dimensional two-phase flow. The cilium is modeled... | https://arxiv.org/abs/2601.22698 | Academic Papers | svg |
fedc44c5549812761269d0b94d4f6bfddae49143557007c99ef7e0e86eed409b | 2026-02-02T00:00:00-05:00 | Hybrid MCP-PMT characterisation on a testbeam with Cherenkov setup | arXiv:2601.22713v1 Announce Type: new Abstract: A novel photodetector based on a MCP-PMT vacuum tube with encapsulated CMOS ASIC has been tested at the CERN SPS high energy hadron beam, allowing single photon Cherenkov detection operating at 10$^4$ gain and with timing resolution of about 280~ps. | https://arxiv.org/abs/2601.22713 | Academic Papers | svg |
8d079739673ad2d82685c65260a9890fc666fd29a6396cc6ef05f58f36c30bd1 | 2026-02-02T00:00:00-05:00 | A Wide Bandwidth Trans-impedance Amplifier for Picosecond-Scale SiPM Characterization in a Wide Temperature Range | arXiv:2601.22727v1 Announce Type: new Abstract: Future high-energy physics experiments using SiPMs as photosensitive elements may require operation at low temperatures (down to 80 K) to measure single photons with high time resolution in a highly radioactive environment. This calls for a complete characterization of th... | https://arxiv.org/abs/2601.22727 | Academic Papers | svg |
04275f096ff73f56c8ea2d89ea81661e928a5c220ae6477975af266ac00b27d5 | 2026-02-02T00:00:00-05:00 | Combining quasi-static and high frequency experiments for the viscoelastic characterization of brain tissue | arXiv:2601.22743v1 Announce Type: new Abstract: Mechanical models of brain tissue are a beneficial tool to simulate neurosurgical interventions, disease progression, or brain development. However, the accuracy and predictive capacity of such a model relies on a precise experimental characterization of the tissue's mech... | https://arxiv.org/abs/2601.22743 | Academic Papers | svg |
4b110181ff489ab22b6408121cd39ba07e93d661eb23b47a5e957bdb6cd5e4cc | 2026-02-02T00:00:00-05:00 | Femtosecond Nonadiabatic Confinement of Molecular Dication Yield | arXiv:2601.22750v1 Announce Type: new Abstract: Doubly charged molecular cations often carry signatures of electronic correlation and electron-nuclear entanglement present in the parent cation. Here, we produce ethylene dications using a combination of an extreme ultraviolet pump and near-infrared probe pulses, observi... | https://arxiv.org/abs/2601.22750 | Academic Papers | svg |
5f13ff7f1fc88fc555319940ebd386641e560c7e646586befd332c15a8956375 | 2026-02-02T00:00:00-05:00 | Electroactive morphing effects on the aerodynamic performance through wobulation around an A320 wing with vibrating trailing edge at high Reynolds number | arXiv:2601.22768v1 Announce Type: new Abstract: This study aims to investigate the effects of electroactive morphing on a 70cm chord A320 wing by means of near trailing edge slight deformation and vibration. Wing morphing is performed by Macro Fiber Composites (MFC) mini-piezoelectric actuators distributed along the sp... | https://arxiv.org/abs/2601.22768 | Academic Papers | svg |
506e117f52bbc94cf462af903102f38e26d3348241555f321bbc5703a9ba458b | 2026-02-02T00:00:00-05:00 | Fast Eikonal Phase Retrieval for High-Throughput Beamlines | arXiv:2601.22793v1 Announce Type: new Abstract: We introduce a fast Eikonal Phase Retrieval (EPR) formulation that accelerates eikonal phase retrieval by more than two orders of magnitude while retaining controlled accuracy. The method is derived from a second-order asymptotic expansion in the propagation distance $L$ ... | https://arxiv.org/abs/2601.22793 | Academic Papers | svg |
4570341d48b44e72d6a69d753044593e7bfefec61da959fd936a71c388c82650 | 2026-02-02T00:00:00-05:00 | Batch Bayesian optimization of attosecond betatron pulses from laser wakefield acceleration | arXiv:2601.22794v1 Announce Type: new Abstract: Laser wakefield acceleration can generate a femtosecond-scale broadband X-ray betatron radiation pulse from electrons accelerated by an intense laser pulse in a plasma. The micrometer-scale of the source makes wakefield betatron radiation well-suited for advanced imaging ... | https://arxiv.org/abs/2601.22794 | Academic Papers | svg |
2d5a8e1b609cc1a42f5ee79bfff4067e68f2145bd7c2e63c411fa1bde51cf2b8 | 2026-02-02T00:00:00-05:00 | Inverse Design of the Topology Bandwidth Tradeoff in Valley Photonic Crystals | arXiv:2601.22958v1 Announce Type: new Abstract: Integrated on-chip photonics increasingly relies on wave propagation that remains stable in the presence of fabrication imperfections, tight bends, and dense routing. Valley photonic crystals (VPCs) offer an attractive path: by opening a gap at the Dirac points of a hexag... | https://arxiv.org/abs/2601.22958 | Academic Papers | svg |
5b5b9d231b6b1530906e56a9efa67df719d28f4b8649e76bba2c86e6145692a0 | 2026-02-02T00:00:00-05:00 | Simulation and optimization of the Active Magnetic Shield of the n2EDM experiment | arXiv:2601.22960v1 Announce Type: new Abstract: The n2EDM experiment at the Paul Scherrer Institute aims to conduct a high-sensitivity search for the electric dipole moment of the neutron. Magnetic stability and control are achieved through a combination of passive shielding, provided by a magnetically shielded room (M... | https://arxiv.org/abs/2601.22960 | Academic Papers | svg |
875da95a96206b08909b3b2ffebbbcfb128aa6df00670b4a4b4afd0bbe36828c | 2026-02-02T00:00:00-05:00 | Wichmann-Kroll Correction in Muonic Atoms and Hydrogen-Like Electronic Ions: a Comparative Study of Two Methods | arXiv:2601.22979v1 Announce Type: new Abstract: Wichmann-Kroll corrections are calculated in both hydrogen-like electronic ions and muonic systems ($Z = \{36$--$92\}$) using two independent methods. The Gaussian finite basis set approach, enhanced with dual basis construction, analytical large-distance corrections, and... | https://arxiv.org/abs/2601.22979 | Academic Papers | svg |
c87321e83da049db4ab89be8a490fd8d20a7e2b57d5587f60310cec3a1401247 | 2026-02-02T00:00:00-05:00 | Direct observation of the optical Magnus effect with a trapped ion | arXiv:2601.22981v1 Announce Type: new Abstract: We directly observe and spatially map an optical analog of the Magnus effect, where intrinsic spin-orbit-like coupling of light generates a spin-dependent transverse displacement of the atom-light interaction profile for a $^{40}$Ca$^+$ ion. Probed on a quadrupole transit... | https://arxiv.org/abs/2601.22981 | Academic Papers | svg |
8d8e6fd5eeb8c420ce340eda4c70cda5b189f55e50283f72515d63bdd0005789 | 2026-02-02T00:00:00-05:00 | Unambiguous Vector Magnetometry with Structured Light in Atomic Vapor | arXiv:2601.22998v1 Announce Type: new Abstract: Absorption profiles of vector light upon interaction with atomic vapor carries distinct signatures of external magnetic field vector. However, this signature becomes ambiguous for anti parallel magnetic field vectors of equal magnitude, which makes their absorption profil... | https://arxiv.org/abs/2601.22998 | Academic Papers | svg |
ba0896fcdfc86944af7947128ae2d7c1dfc9ef9826682025ff274c8e0639b57c | 2026-02-02T00:00:00-05:00 | Perturbative Born theory for light scattering by time-modulated scatterers | arXiv:2601.23003v1 Announce Type: new Abstract: We present a theoretical framework for electromagnetic scattering by particles with a permittivity that is periodically varying in time, based on a perturbative approach. Within this framework, we derive explicit expressions for the scattering matrix of the dynamic system... | https://arxiv.org/abs/2601.23003 | Academic Papers | svg |
5495e48b4e440b2a0cbac9716523f6a52bfcc8155a8279a8ab11c83bca35c344 | 2026-02-02T00:00:00-05:00 | Dancing rivulets in an air-filled Hele-Shaw cell | arXiv:2601.23025v1 Announce Type: new Abstract: We study the behaviour of a thin fluid filament (a rivulet) flowing in an air-filled Hele-Shaw cell. Transverse and longitudinal deformations can propagate on this rivulet, although both are linearly attenuated in the parameter range we use. On this seemingly simple syste... | https://arxiv.org/abs/2601.23025 | Academic Papers | svg |
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