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arXiv preprints from January 1, 2026 through October 1, 2026 — 15:59:22 EST

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Posted in astro-ph.SR · 2026-01-01 · Cheyanne Shariat, Kareem El-Badry

A global view of post-interaction white dwarf-main sequence binaries

Common-envelope evolution (CEE) is among the most uncertain phases in binary evolution. To empirically constrain CEE, we construct a uniformly selected sample of eclipsing post--common-envelope binaries (PCEBs). Starting from an unresolved white dwarf-main-sequence (WDMS) candidate sample within 200 pc selected from the Gaia...

💬 0 commentsarXiv:2601.00439v3PDF
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Posted in astro-ph.CO · 2026-01-01 · Kaili Cao, David H. Weinberg, Vivian Miranda, Nihar Dalal, Tim Eifler, Jiachuan Xu, Haley Bowden

Fisher Forecasts for Cosmological Yields from $3\!\times\!2$pt Analysis of the Roman Space Telescope High Latitude Imaging Survey

The High Latitude Imaging Survey (HLIS) of NASA's Nancy Grace Roman Space Telescope will provide powerful tests of cosmological models through sensitive measurements of cosmic shear, galaxy-galaxy lensing (GGL), and galaxy clustering. As part of the HLIS Project Infrastructure Team's Data Challenge 1 (DC1), we carry out Fisher...

💬 0 commentsarXiv:2601.00438v1PDF
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Posted in astro-ph.GA · 2026-01-01 · Andrew J. Fox, Sapna Mishra, Frances H. Cashman, David M. French, Philipp Richter, Rongmon Bordoloi, Nicolas Lehner, Jason Tumlinson, Sanchayeeta Borthakur

Low Metallicity Gas on the Outskirts of the Local Group: the Circumgalactic Medium of Sextans B

We present a UV absorption-line analysis of the circumgalactic medium (CGM) of Sextans B, a dwarf irregular galaxy at 1.3 Mpc distance on the outer frontier of the Local Group. Using HST/COS spectroscopy of two AGN sightlines passing through the Sextans B CGM at small impact parameters of 4 kpc and 8 kpc (0.04 and 0.08 r_vir), we...

💬 0 commentsarXiv:2601.00437v2PDF
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Posted in cs.CV · 2026-01-01 · I-Hsien Ting, Yi-Jun Tseng, Yu-Sheng Lin

Application of deep learning techniques in non-contrast computed tomography pulmonary angiogram for pulmonary embolism diagnosis

Pulmonary embolism is a life-threatening disease, early detection and treatment can significantly reduce mortality. In recent years, many studies have been using deep learning in the diagnosis of pulmonary embolism with contrast medium computed tomography pulmonary angiography, but the contrast medium is likely to cause acute kidney...

💬 0 commentsarXiv:2601.00925v1PDF
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Posted in hep-ph · 2026-01-01 · Sujit Kumar Sahoo, Narendra Sahu, Vicky Singh Thounaojam

Anatomy of RHN DM relic in the vanilla scotogenic neutrino mass model

The scotogeneic neutrino mass models are very popular choices to generate light neutrino masses via radiative mechanism. In these models, the particles running in the loop are distinguished from the standard model due to an imposed $\mathcal{Z}_2$ symmetry under which the loop particles are odd. Therefore, the lightest particle...

💬 0 commentsarXiv:2601.00436v1PDF
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Posted in cs.IT · 2026-01-01 · Gabriel Sac Himelfarb, Moshe Schwartz

On the burst-covering radius of binary cyclic codes

We define and study burst-covering codes. We provide some general bounds connecting the parameters of a code with its burst-covering radius. We then provide stronger bounds on the burst-covering radius of cyclic codes, by employing linear-feedback shift-register (LFSR) sequences. For the case of BCH codes we prove a new bound on...

💬 0 commentsarXiv:2601.00435v2PDF
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Posted in eess.SP · 2026-01-01 · Dhandeep Challagundla, Ignatius Bezzam, Riadul Islam

Time--to--Digital Converter (TDC)--Based Resonant Compute--in--Memory for INT8 CNNs with Layer--Optimized SRAM Mapping

In recent years, Compute-in-memory (CiM) architectures have emerged as a promising solution for deep neural network (NN) accelerators. Multiply-accumulate~(MAC) is considered a {\textit de facto} unit operation in NNs. By leveraging the inherent parallel processing capabilities of CiM, NNs that require numerous MAC operations can be...

💬 0 commentsarXiv:2601.00434v1PDF
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Posted in physics.soc-ph · 2026-01-01 · Fredrik Jansson

Modelling cultural evolution

Formal modelling provides a toolkit for understanding cultural dynamics, from individual decisions to recurring patterns of change. This chapter explains what models are and why they matter. Using a precise, shared language, they aid thinking and communication by turning fuzzy assumptions into clear, comparable, testable claims. The...

💬 0 commentsarXiv:2601.00433v1PDF
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Posted in math.CO · 2026-01-01 · Amira Alkeswani

Algebraic Study of Discrete Imsetal Models

The method of imsets, introduced by Studený, provides a geometric and combinatorial description of conditional independence statements. Elementary conditional independence statements over a finite set of discrete random variables correspond to column vectors of a matrix generating a polyhedral cone, and the associated toric ideals...

💬 0 commentsarXiv:2601.00432v1PDF
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Posted in quant-ph · 2026-01-01 · Seogjoo J. Jang

Multistep quantum master equation theory for response functions in four wave mixing electronic spectroscopy of multichromophoric macromolecules

This work provides an alternative derivation of third order response functions in four wave mixing spectroscopy of multichromophoric macromolecular systems considering only single exciton states. For the case of harmonic oscillator bath linearly and diagonally coupled to exciton states, closed form expressions showing all the explicit...

💬 0 commentsarXiv:2601.00431v1PDF
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Posted in cs.CL · 2026-01-01 · Kian Ahrabian, Eric Boxer, Jay Pujara

Toward Better Temporal Structures for Geopolitical Events Forecasting

Forecasting on geopolitical temporal knowledge graphs (TKGs) through the lens of large language models (LLMs) has recently gained traction. While TKGs and their generalization, hyper-relational temporal knowledge graphs (HTKGs), offer a straightforward structure to represent simple temporal relationships, they lack the expressive...

💬 0 commentsarXiv:2601.00430v2PDF
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Posted in cs.SE · 2026-01-01 · Rares Folea, Emil Slusanschi

On Plagiarism and Software Plagiarism

This paper explores the complexities of automatic detection of software similarities, in relation to the unique challenges of digital artifacts, and introduces Project Martial, an open-source software solution for detecting code similarity. This research enumerates some of the existing approaches to counter software plagiarism by...

💬 0 commentsarXiv:2601.00429v1PDF
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Posted in cs.LG · 2026-01-01 · Mattia Billa, Giovanni Orlandi, Veronica Guidetti, Federica Mandreoli

Interpretable ML Under the Microscope: Performance, Meta-Features, and the Regression-Classification Predictability Gap

As machine learning models are increasingly deployed in high-stakes domains, the need for interpretability has grown to meet strict regulatory and accountability constraints. Despite this interest, systematic evaluations of inherently interpretable models for tabular data remain scarce and often focus solely on aggregated performance....

💬 0 commentsarXiv:2601.00428v2PDF
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Posted in math.AP · 2026-01-01 · Hao Chen, Yan Chang, Yukun Guo, Yuliang Wang

A Deep Learning-Enhanced Fourier Method for the Multi-Frequency Inverse Source Problem with Sparse Far-Field Data

This paper introduces a hybrid computational framework for the multi-frequency inverse source problem governed by the Helmholtz equation. By integrating a classical Fourier method with a deep convolutional neural network, we address the challenges inherent in sparse and noisy far-field data. The Fourier method provides a...

💬 0 commentsarXiv:2601.00427v1PDF
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Posted in cs.LG · 2026-01-01 · Rares Folea, Radu Iacob, Emil Slusanschi, Traian Rebedea

Complexity-based code embeddings

This paper presents a generic method for transforming the source code of various algorithms to numerical embeddings, by dynamically analysing the behaviour of computer programs against different inputs and by tailoring multiple generic complexity functions for the analysed metrics. The used algorithms embeddings are based on...

💬 0 commentsarXiv:2601.00924v1PDF
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Posted in cs.NE · 2026-01-01 · Md Zesun Ahmed Mia, Malyaban Bal, Abhronil Sengupta

RMAAT: Astrocyte-Inspired Memory Compression and Replay for Efficient Long-Context Transformers

The quadratic complexity of self-attention mechanism presents a significant impediment to applying Transformer models to long sequences. This work explores computational principles derived from astrocytes-glial cells critical for biological memory and synaptic modulation-as a complementary approach to conventional architectural...

💬 0 commentsarXiv:2601.00426v2PDF
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Posted in cs.NE · 2026-01-01 · Oguzhan Yildirim

Evolving Personalities in Chaos: An LLM-Augmented Framework for Character Discovery in the Iterated Prisoners Dilemma under Environmental Stress

Standard simulations of the Iterated Prisoners Dilemma (IPD) operate in deterministic, noise-free environments, producing strategies that may be theoretically optimal but fragile when confronted with real-world uncertainty. This paper addresses two critical gaps in evolutionary game theory research: (1) the absence of realistic...

💬 0 commentsarXiv:2601.02407v1PDF
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Posted in quant-ph · 2026-01-01 · Salman Sajad Wani, Mughees Ahmed Khan, Abrar Ahmed Naqash, Saif Al-Kuwari

Chip-scale superconducting quantum gravimeter combining a SQUID, a transmon, and a nanomechanical resonator

Precise gravitational measurements are vital for geophysics and inertial navigation, but compact gravimeters with high measurement bandwidth remain difficult to realize. We propose and analyze a chip-scale superconducting gravimeter in which a flux-tunable transmon qubit is coupled to a high quality factor ($Q_m$) nanomechanical beam....

💬 0 commentsarXiv:2601.00425v2PDF
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Posted in cond-mat.mes-hall · 2026-01-01 · Hankun Zhang, Yuhua Ren, Ho-Yuan Huang, Jian-Sheng Wang

Analytical formulas for far-field radiated energy and angular momentum of metallic thin films

We investigate far-field radiation of energy, linear momentum, and angular momentum from two-dimensional electron systems, focusing on metallic thin films described by the Drude conductivity. Using the Keldysh formalism within the non-equilibrium Green's function framework, we derive analytical expressions for radiative power, force,...

💬 0 commentsarXiv:2601.00424v2PDF
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Posted in cs.LG · 2026-01-01 · Shengjun Zhang, Zhang Zhang, Chensheng Dai, Yueqi Duan

E-GRPO: High Entropy Steps Drive Effective Reinforcement Learning for Flow Models

Recent reinforcement learning has enhanced the flow matching models on human preference alignment. While stochastic sampling enables the exploration of denoising directions, existing methods which optimize over multiple denoising steps suffer from sparse and ambiguous reward signals. We observe that the high entropy steps enable more...

💬 0 commentsarXiv:2601.00423v1PDF
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Posted in cs.CV · 2026-01-01 · Kazuma Miura, Sarthak Pathak, Kazunori Umeda

Robust Assembly Progress Estimation via Deep Metric Learning

In recent years, the advancement of AI technologies has accelerated the development of smart factories. In particular, the automatic monitoring of product assembly progress is crucial for improving operational efficiency, minimizing the cost of discarded parts, and maximizing factory productivity. However, in cases where assembly...

💬 0 commentsarXiv:2601.00422v1PDF
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Posted in cs.AI · 2026-01-01 · Alessio Di Rubbo, Mattia Neri, Remo Pareschi, Marco Pedroni, Roberto Valtancoli, Paolino Zica

Can Semantic Methods Enhance Team Sports Tactics? A Methodology for Football with Broader Applications

This paper explores how semantic-space reasoning, traditionally used in computational linguistics, can be extended to tactical decision-making in team sports. Building on the analogy between texts and teams -- where players act as words and collective play conveys meaning -- the proposed methodology models tactical configurations as...

💬 0 commentsarXiv:2601.00421v2PDF
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Posted in cs.DC · 2026-07-07 · James Thompson, Wayne Mesard, Jesse Butler, Sri Saran Balaji Rajakumar, Henry Wang

Seekable OCI: Lazy-Loading Container Images via Range-Request Indexing

Container image pulling accounts for the majority of pod startup time in Kubernetes environments. Standard pull downloads the entire image before the container can start, even when the application accesses only a fraction of the image content at startup. We present SOCI (Seekable OCI), a lazy-loading architecture that enables...

💬 0 commentsarXiv:2607.06868v1PDF
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Posted in hep-th · 2026-07-07 · Hamed Adami, Kristiansen Lara, Anouchah Latifi, René Meyer

On Integrable Structures on Non-compact Boundaries in Three-Dimensional Gravity

We study three-dimensional Einstein gravity with negative cosmological constant on non-compact spatial boundaries within the Chern-Simons formulation. Using an exact fluid/gravity correspondence, we derive a closed radial flow equation for the quasi-local stress tensor and show that it realizes the holographic $T\bar T$ deformation at...

💬 0 commentsarXiv:2607.06867v2PDF
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Posted in cond-mat.mes-hall · 2026-07-07 · Alejandro Lopez-Bezanilla

Disorder signatures in coherent electronic waveguides

Microscopic disorder in a coherent conductor is encoded in the magnitude of the transmitted current and in the energy- and channel-resolved structure of the scattering response. We develop a conductance-balanced learning framework for identifying microscopic disorder mechanisms from coherent quantum-transport spectra. Using armchair...

💬 0 commentsarXiv:2607.06866v1PDF