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Showing 1230 results for "matthias wilhelm"
Mathematics Preprint PDF DOI

Ramsey Property and Pathological Sets: Almost Disjointness, Independence and Other Maximal Objects

Jialiang He, Jintao Luo, Shuguo Zhang ยท 2026

We show that under $\mathsf{ZF} + \mathsf{CC}_{\mathbb R}$, if the Ramsey property holds for all sets in a good pointclass $\Gamma$, then there is no MAD family in $\Gamma$, proving a long-standing coโ€ฆ

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Chemistry Preprint PDF DOI

Excitation of Low-Frequency Modes and the Effects of Protein Dynamics on Spectral Densities of Bacteriochlorophyll Molecules

Sayan Maity, Tristan A. Mauck, Ulrich Kleinekathofer ยท 2026

In the theory of open quantum systems, spectral densities are key quantities for modeling the dynamics and spectroscopic properties of the system under investigation. In the case of light-harvesting cโ€ฆ

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Physics Preprint PDF DOI

Investigating interstellar dust along the line of sight of GX 13+1 using different dust size distributions

B. Vaia, S.T. Zeegers, I. Abril-Cabezas, E. Costantini ยท 2026

Context. High-resolution X-ray spectroscopy offers a powerful tool to investigate the physical and chemical properties of dust grains, especially through the analysis of absorption edges of elements sโ€ฆ

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Engineering Preprint PDF DOI

Time-Localized Parametric Decomposition of Respiratory Airflow for Sub-Breath Analysis

Victoria Ribeiro Rodrigues, Paul W. Davenport, Nicholas J. Napoli ยท 2026

Respiratory airflow signals provide critical insight into breathing mechanics, yet conventional analysis methods remain limited in their ability to characterize the internal structure of individual brโ€ฆ

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AI & Data Science Preprint PDF DOI

Improving Performance in Classification Tasks with LCEN and the Weighted Focal Differentiable MCC Loss

Pedro Seber, Richard D. Braatz ยท 2026

The LASSO-Clip-EN (LCEN) algorithm was previously introduced for nonlinear, interpretable feature selection and machine learning. However, its design and use was limited to regression tasks. In this wโ€ฆ

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Computer Science Preprint PDF DOI

AVISE: Framework for Evaluating the Security of AI Systems

Mikko Lempinen, Joni Kemppainen, Niklas Raesalmi ยท 2026

As artificial intelligence (AI) systems are increasingly deployed across critical domains, their security vulnerabilities pose growing risks of high-profile exploits and consequential system failures.โ€ฆ

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Computer Science Preprint PDF DOI

SAGE: Signal-Amplified Guided Embeddings for LLM-based Vulnerability Detection

Zhengyang Shan, Xu Qian, Jiayun Xin, Minghui Xu, Yue Zhang, Zhen Yang, Hao Wu, Xiuzhen Cheng ยท 2026

Software vulnerabilities are a primary threat to modern infrastructure. While static analysis and Graph Neural Networks have long served as the foundation for vulnerability detection, the emergence ofโ€ฆ

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Physics Preprint PDF DOI

Solution of the Ising model with Brascamp-Kunz boundary conditions by the transfer matrix method

De-Zhang Li, Xin Wang ยท 2026

The square lattice Ising model under the Brascamp-Kunz boundary conditions is a well-known exactly solvable lattice model. The exact solution of this system has been derived within the framework of Pfโ€ฆ

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Engineering Preprint PDF DOI

Thermal Anomaly Detection using Physics Aware Neuromorphic Networks: Comparison between Raw and L1C Sentinel-2 Data

Stephen Smith, Cormac Purcell, Gabriele Meoni, Roberto Del Prete, Zdenka Kuncic ยท 2026

Damage caused by bushfires and volcanic eruptions escalates rapidly when detection is delayed, making fast and reliable early warning capabilities essential. Recent Earth Observation (EO) approaches hโ€ฆ

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AI & Data Science Preprint PDF DOI

M-ArtAgent: Evidence-Based Multimodal Agent for Implicit Art Influence Discovery

Hanyi Liu, Zhonghao Jiu, Minghao Wang, Yuhang Xie, Heran Yang ยท 2026

Implicit artistic influence, although visually plausible, is often undocumented and thus poses a historically constrained attribution problem: resemblance is necessary but not sufficient evidence. Mosโ€ฆ

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Physics Preprint PDF DOI

Type-IV 't Hooft Anomalies on the Lattice: Emergent Higher-Categorical Symmetries and Applications to LSM Systems

Tsubasa Oishi, Hiromi Ebisu ยท 2026

't Hooft anomalies impose fundamental constraints on quantum matter and often lead to emergent symmetry structures upon gauging. We analyze a lattice model with four global symmetries realizing a mixeโ€ฆ

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Physics Preprint PDF DOI

Lieb-Schultz-Mattis Anomalies and Anomaly Matching

Liujun Zou, Meng Cheng ยท 2026

Lieb-Schultz-Mattis (LSM) anomalies are powerful symmetry-based constraints on the correlation, entanglement and dynamics of quantum many-body systems. In this review, we discuss various LSM anomaliesโ€ฆ

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AI & Data Science Preprint PDF DOI

LLM Agents Predict Social Media Reactions but Do Not Outperform Text Classifiers: Benchmarking Simulation Accuracy Using 120K+ Personas of 1511 Humans

Ljubisa Bojic, Alexander Felfernig, Bojana Dinic, Velibor Ilic, Achim Rettinger, Vera Mevorah, Damian Trilling ยท 2026

Social media platforms mediate how billions form opinions and engage with public discourse. As autonomous AI agents increasingly participate in these spaces, understanding their behavioral fidelity beโ€ฆ

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Physics Preprint PDF DOI

Pattern Expansion of Spin Glasses

Mutian Shen, Zohar Nussinov, Yang-Yu Liu ยท 2026

We introduce a systematic method for expanding general spin-glass Hamiltonians in terms of Mattis interactions, providing a novel perspective for understanding the fundamental differences between shorโ€ฆ

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AI & Data Science Preprint PDF DOI

PASM: Population Adaptive Symbolic Mixture-of-Experts Model for Cross-location Hurricane Evacuation Decision Prediction

Xiao Qian, Shangjia Dong ยท 2026

Accurate prediction of evacuation behavior is critical for disaster preparedness, yet models trained in one region often fail elsewhere. Using a multi-state hurricane evacuation survey, we show this fโ€ฆ

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Physics Preprint PDF DOI

Mixed-State Topological Phase: Quantized Topological Order Parameter and Lieb-Schultz-Mattis Theorem

Linhao Li, Yuan Yao ยท 2026

We investigate the extension of pure-state symmetry protected topological phases to mixed-state regime with a strong U(1) and a weak $\mathbb{Z}_2$ symmetries in one-dimensional spin systems by the coโ€ฆ

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AI & Data Science Preprint PDF DOI

Tiny-ViT: A Compact Vision Transformer for Efficient and Explainable Potato Leaf Disease Classification

Shakil Mia, Umme Habiba, Urmi Akter, SK Rezwana Quadir Raisa, Jeba Maliha, Md. Iqbal Hossain, Md. Shakhauat Hossan Sumon ยท 2026

Early and precise identification of plant diseases, especially in potato crops is important to ensure the health of the crops and ensure the maximum yield . Potato leaf diseases, such as Early Blight โ€ฆ

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Physics Preprint PDF DOI

Matrix Product States for Modulated Topological Phases: Crystalline Equivalence Principle and Lieb-Schultz-Mattis Constraints

Shang-Qiang Ning, Hiromi Ebisu, Ho Tat Lam ยท 2026

Modulated symmetries are internal symmetries that act in a spatially non-uniform manner. Consequently, when a modulated symmetry $G_{\text{int}}$ is combined with a spatial symmetry $G_{\text{sp}}$, tโ€ฆ

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Physics Preprint PDF DOI

Matrix Product States for Modulated Symmetries: SPT, LSM, and Beyond

Amogh Anakru, Sarvesh Srinivasan, Linhao Li, Zhen Bi ยท 2026

Matrix product states (MPS) provide a powerful framework for characterizing one-dimensional symmetry-protected topological (SPT) phases of matter and for formulating Lieb-Schultz-Mattis (LSM)-type conโ€ฆ

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Physics Preprint PDF DOI

Phase Transitions in a Modified Ising Spin Glass Model: A Tensor-Network-based Sampling Approach

Takumi Oshima, Yamato Arai, Koji Hukushima ยท 2026

Phase transitions in a modified Nishimori model, including the model considered by Kitatani, on a two-dimensional square lattice are investigated using a tensor-network-based sampling scheme. In this โ€ฆ

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