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arXiv preprints from January 1, 2026 through September 26, 2026 — 02:00:54 EST

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Posted in cs.SE · 2026-01-19 · Tarik Houichime, Younes El Amrani

SEER: Spectral Entropy Encoding of Roles for Context-Aware Attention-Based Design Pattern Detection

This paper presents SEER, an upgraded version of our prior method Context Is All You Need for detecting Gang of Four (GoF) design patterns from source code. The earlier approach modeled code as attention-ready sequences that blended lightweight structure with behavioral context; however, it lacked explicit role disambiguation within...

💬 0 commentsarXiv:2601.13334v2PDF
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Posted in quant-ph · 2026-01-19 · Yuhan Liu, Yijian Zou

Polynomial-time certification of fidelity for many-body mixed states and mixed-state universality classes

Computation of Uhlmann fidelity between many-body mixed states generally involves full diagonalization of exponentially large matrices. In this work, we introduce a polynomial-time algorithm to compute certified lower and upper bounds for the fidelity between matrix product density operators (MPDOs). Our method maps the fidelity...

💬 0 commentsarXiv:2601.13333v1PDF
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Posted in math.PR · 2026-01-19 · Dmitry Chelkak, Zachary Deiman

Domino tilings of black-and-white Temperleyan cylinders

We consider the dimer model in cylindrical domains $Ω_δ$ on square grids of mesh size $δ$ with two Temperleyan boundary components of different colors. Assuming that the $Ω_δ$ approximate a cylindrical domain $Ω$ as $δ\to 0$, we prove the convergence of height fluctuations to the Gaussian Free Field in $Ω$ plus an independent discrete...

💬 0 commentsarXiv:2601.13332v1PDF
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Posted in cs.CV · 2026-01-19 · Wei Wang, Quoc-Toan Ly, Chong Yu, Jun Bai

MultiST: A Cross-Attention-Based Multimodal Model for Spatial Transcriptomic

Spatial transcriptomics (ST) enables transcriptome-wide profiling while preserving the spatial context of tissues, offering unprecedented opportunities to study tissue organization and cell-cell interactions in situ. Despite recent advances, existing methods often lack effective integration of histological morphology with molecular...

💬 0 commentsarXiv:2601.13331v1PDF
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Posted in cs.CL · 2026-01-19 · Jamie Cummins, Beth Clarke, Ian Hussey, Malte Elson

RegCheck: A tool for structured comparisons between study registrations and papers

Across the social and medical sciences, researchers recognize that specifying planned research activities (i.e., 'registration') prior to the commencement of research has benefits for both the transparency and rigour of science. Despite this, evidence suggests that study registrations frequently go unexamined, minimizing their...

💬 0 commentsarXiv:2601.13330v2PDF
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Posted in physics.app-ph · 2026-01-19 · Y. Jin, E. Makhova, A. Speerforck

Optimization of Packed-Bed Energy Storage Systems Based on a Second Law Analysis

Packed-bed sensible heat storage (SHS) is important for balancing energy supply and demand over time. To improve the efficiency of a packed-bed SHS system through second law analysis (SLA), we developed macroscopic entropy and exergy transport equations for fluid flow and heat transfer in porous media based on microscopic transport...

💬 0 commentsarXiv:2601.13329v1PDF
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Posted in cs.CL · 2026-01-19 · Geoffrey Churchill, Steven Skiena

Reducing Tokenization Premiums for Low-Resource Languages

Relative to English, low-resource languages suffer from substantial tokenization premiums in modern LMs, meaning that it generally requires several times as many tokens to encode a sentence in a low-resource language than to encode the analogous sentence in English. This tokenization premium results in increased API and energy costs...

💬 0 commentsarXiv:2601.13328v1PDF
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Posted in cs.AI · 2026-01-19 · Po-Yu Liang, Tibo Duran, Jun Bai

PepEDiff: Zero-Shot Peptide Binder Design via Protein Embedding Diffusion

We present PepEDiff, a novel peptide binder generator that designs binding sequences given a target receptor protein sequence and its pocket residues. Peptide binder generation is critical in therapeutic and biochemical applications, yet many existing methods rely heavily on intermediate structure prediction, adding complexity and...

💬 0 commentsarXiv:2601.13327v2PDF
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Posted in cs.DL · 2026-01-19 · Christoph Bartneck, Richard Watt, Etienne Borde, Pattara Klinpibul

Deferred Acceptance Algorithm Improves Peer Review Process

The peer review process is essential to the success of science, but it also delays publications and absorbs considerable effort. Journals find it increasingly difficult to recruit competent reviewers. This study presents the results of agent-based simulation that models the current peer review process. We compared it to the simulation...

💬 0 commentsarXiv:2601.17035v1PDF
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Posted in physics.ed-ph · 2026-01-19 · Rachele Toniolo, Anita Zanella, Andrea Cottinelli, Giovanni Liuzzi, Sara Ricciardi, Massimo Grassi, Stefano Delle Monache

AMACA: Astronomy education with a Multi-sensory, Accessible, and Circular Approach

The AMACA project (Astronomy education with a Multi-sensory, Accessible, and Circular Approach) develops multi-sensory activities for accessible education and engagement in astronomy. Despite promising innovations, existing resources are often poorly documented, designed for one-time events, expensive, and lack interdisciplinary...

💬 0 commentsarXiv:2601.13326v1PDF
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Posted in cs.LO · 2026-01-19 · Raz Lotan, Neta Elad, Oded Padon, Sharon Shoham

Verifying First-Order Temporal Properties of Infinite-State Systems via Timers and Rankings

We present a unified deductive verification framework for first-order temporal properties based on well-founded rankings, where verification conditions are discharged using SMT solvers. To that end, we introduce a novel reduction from verification of arbitrary temporal properties to verification of termination. Our reduction augments...

💬 0 commentsarXiv:2601.13325v1PDF
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Posted in math.CO · 2026-01-19 · Ayah Almousa, Bryan Lu

Ribbon complexes for the 0-Hecke algebra

We construct explicit tableau-level maps between indecomposable projective modules for the type A 0-Hecke algebra that assemble into canonical split short exact sequences lifting the basic ribbon product rule in NSym via concatenation and near-concatenation. Iterating these maps yields cochain complexes indexed by generalized ribbons;...

💬 0 commentsarXiv:2601.13324v1PDF
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Posted in eess.SP · 2026-01-19 · Bixing Yan, Kwadwo Mensah Obeng Afrane, Achiel Colpaert, Andre Kokkeler, Sofie Pollin, Yang Miao

Experimental Validation of SBFD ISAC in an FR3 Distributed SIMO Testbed

Integrated sensing and communication (ISAC) is a key enabler for future radio networks. This paper presents a sub-band full-duplex (SBFD) ISAC system that assigns non-overlapping OFDM subbands to sensing and communication, enabling simultaneous operation with minimal interference. A distributed testbed with three SIMO nodes is...

💬 0 commentsarXiv:2602.00054v1PDF
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Posted in astro-ph.EP · 2026-01-19 · Charlie Drury, Francesco Gianotto, Marco Fenucci, Laura Faggioli, Michael Frühauf, Juan Luis Cano, Marco Micheli, Francisco Ocaña, Dario Oliviero, Luca Conversi, Richard Moissl, Detlef Koschny

The ESA Meerkat Asteroid Guard: a monitoring service for imminent impactors

We present the Meerkat Asteroid Guard, an imminent impactor warning service developed and maintained by the European Space Agency's Near-Earth Object Coordination Centre (NEOCC). The software uses the method of systematic ranging to perform orbit determination on tracklets in the Near-Earth Object Confirmation Page (NEOCP), which...

💬 0 commentsarXiv:2601.13323v1PDF
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Posted in quant-ph · 2026-01-19 · Pau Escofet, Santiago Rodrigo, Rohit Sarma Sarkar, Carmen G. Almudéver, Eduard Alarcón, Sergi Abadal

Quantum Circuit Pruning: Improving Fidelity via Compilation-Aware Circuit Approximation

This work presents a routing-aware pruning strategy for quantum circuits executed on Noisy Intermediate-Scale Quantum (NISQ) devices. We propose a method to remove parametric controlled rotations whose small rotation angles do not justify the routing overhead required for their implementation. By selectively pruning such gates, the...

💬 0 commentsarXiv:2601.13322v1PDF
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Posted in math.LO · 2026-01-19 · Claudio Agostini, Fernando Barrera, Vincenzo Dimonte

On the problem of generalized measures: an impossibility result

This paper investigates the problem of extending measure theory to non-separable structures, from generalized descriptive set theory to a broader class of spaces beyond this framework. While various notions, such as the ideal of measure zero sets, have been generalized, the question of whether a satisfactory notion of $λ^+$-measure...

💬 0 commentsarXiv:2601.13321v1PDF
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Posted in eess.IV · 2026-01-19 · Yasin Demir, Nur Hüseyin Kaplan, Sefa Kucuk, Nagihan Severoglu

RetinexGuI: Retinex-Guided Iterative Illumination Estimation Method for Low Light Images

In recent years, there has been a growing interest in low-light image enhancement (LLIE) due to its importance for critical downstream tasks. Current Retinex-based methods and learning-based approaches have shown significant LLIE performance. However, computational complexity and dependencies on large training datasets often limit...

💬 0 commentsarXiv:2601.13320v1PDF
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Posted in cs.CL · 2026-01-19 · Peter Sullivan, AbdelRahim Elmadany, Alcides Alcoba Inciarte, Muhammad Abdul-Mageed

Arab Voices: Mapping Standard and Dialectal Arabic Speech Technology

Dialectal Arabic (DA) speech data vary widely in domain coverage, dialect labeling practices, and recording conditions, complicating cross-dataset comparison and model evaluation. To characterize this landscape, we conduct a computational analysis of linguistic ``dialectness'' alongside objective proxies of audio quality on the...

💬 0 commentsarXiv:2601.13319v2PDF
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Posted in math.CO · 2026-01-19 · Leonardo de Lima, Renata Del-Vecchio, Hermie Monterde, Heber Teixeira

Structured eigenbases and pair state transfer on threshold graphs

Recently, Macharete, Del-Vecchio, Teixeira and de Lima showed that a star and any threshold graph on the same number of vertices share the same eigenbasis relative to the Laplacian matrix. We use this fact to establish two main results in this paper. The first one is a characterization of threshold graphs that are \textit{simply...

💬 0 commentsarXiv:2601.13318v1PDF
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Posted in cs.CL · 2026-01-19 · Samantha Sudhoff, Pranav Perumal, Zhaoqing Wu, Tunazzina Islam

Paid Voices vs. Public Feeds: Interpretable Cross-Platform Theme-Based Analysis of Climate Discourse

Climate discourse online shapes public understanding of climate change and informs political and policy debate, yet it unfolds across structurally different environments: paid advertising platforms host targeted, institutionally produced messaging, while public social media reflects largely organic, user-driven discussion. We present...

💬 0 commentsarXiv:2601.13317v2PDF
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Posted in astro-ph.CO · 2026-01-19 · K. S. L. Srikanth, A. Botteon, R. Cassano, G. Brunetti, A. Bonafede, L. Bruno, M. Balboni, H. Bashir, M. Brüggen, S. Chatterjee, V. Cuciti, D. Dallacasa, A. Datta, F. de Gasperin, G. Di Gennaro, C. Groeneveld, R. Kale, M. A. Malik, S. Paul, S. Salunkhe, R. J. van Weeren, T. Venturi, X. Zhang

Combined LOFAR-uGMRT analysis of the diffuse radio emission in the massive clusters Abell 773 and Abell 1351

Radio halos are megaparsec-scale diffuse, non-thermal radio sources located at the centers of galaxy clusters, tracing relativistic particles and magnetic fields in the intra-cluster medium. Their origin is generally attributed to cluster mergers that generate turbulence and re-accelerate aged electrons. We study the diffuse radio...

💬 0 commentsarXiv:2601.13316v1PDF
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Posted in hep-ph · 2026-01-19 · Basabendu Barman, Ashmita Das, Partha Kumar Paul, Narendra Sahu, Rakesh Kumar SivaKumar

Baryon-dark matter coincidence in Randall-Sundrum Model

Within the framework of the extra-dimensional Randall-Sundrum set-up, we investigate the freeze-in production of Standard Model (SM) gauge-singlet scalar, fermionic, and massive vector dark matter (DM). Assuming that both the DM and SM fields reside on the IR brane and interact solely through the graviton and radion portal, we...

💬 0 commentsarXiv:2601.13315v2PDF
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Posted in cond-mat.str-el · 2026-01-19 · Jun Qi Fang, Fo-Hong Wang, Xiao Yan Xu

Two-Point Stabilizer Rényi Entropy: a Computable Magic Proxy of Interacting Fermions

Quantifying non-stabilizerness (``magic'') in interacting fermionic systems remains a formidable challenge, particularly for extracting high order correlations from quantum Monte Carlo simulations. In this Letter, we establish the two-point stabilizer Rényi entropy (SRE) and its mutual counterpart as robust, computationally accessible...

💬 0 commentsarXiv:2601.13314v2PDF
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Posted in astro-ph.CO · 2026-01-19 · B. Thakore, M. Regis, M. Negro, S. Camera, D. Gruen, N. Fornengo, A. Roodman

Multi-Tracer Cross-Correlations of the Unresolved $γ$-Ray Sky

Our understanding of the $γ$-ray sky has greatly advanced, yet studying the unresolved $γ$-ray background (UGRB) can unveil the nature of the faintest $γ$-ray source populations in the Universe. Statistical cross-correlations between the UGRB and tracers of large-scale cosmic structure allow us to infer which sources contribute the...

💬 0 commentsarXiv:2601.13312v3PDF
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Posted in quant-ph · 2026-01-19 · Erik Weilandt, Tom Peham, Robert Wille

Synthesis of Fault-tolerant State Preparation Circuits using Steane-type Error Detection

Fault-tolerant state preparation is essential for reliable quantum error correction, particularly in Steane-type error correction, which relies on robust ancilla states for syndrome readout. One method of fault-tolerant state preparation is to initialize multiple ancilla states and check them against each other to detect problematic...

💬 0 commentsarXiv:2601.13313v1PDF