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Computer Science Preprint PDF DOI

Counting own goals: High-level assessment of the economic relationship between the ICT and the Oil and Gas sectors and its environmental implications

Gauthier Roussilhe, Beatrice Dromard, Srinjoy Mitra · 2026

The ICT sector has been one of the most successful and fastest-growing industry in history. While the environmental issue in this sector has mainly been addressed by assessing its footprint and, to a …

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Physics Preprint PDF DOI

Influence of a graphene substrate on the stabilization of molecular systems with hydrogen bonds

Alexander V. Savin · 2026

Numerical simulation of the dynamics of planar two- and three-layer molecular structures formed by $\beta$-sheets of polyglycine peptide chains and systems of parallel Kevlar (para-aramid) molecules p…

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AI & Data Science Preprint PDF DOI

Dynamically Acquiring Text Content to Enable the Classification of Lesser-known Entities for Real-world Tasks

Fahmida Alam, Ellen Riloff · 2026

Existing Natural Language Processing (NLP) resources often lack the task-specific information required for real-world problems and provide limited coverage of lesser-known or newly introduced entities…

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AI & Data Science Preprint PDF DOI

Has Automated Essay Scoring Reached Sufficient Accuracy? Deriving Achievable QWK Ceilings from Classical Test Theory

Masaki Uto · 2026

Automated essay scoring (AES) is commonly evaluated on public benchmarks using quadratic weighted kappa (QWK). However, because benchmark labels are assigned by human raters and inevitably contain sco…

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Mathematics Preprint PDF DOI

Algebraic numbers and Fourier analysis: Salem's third problem

Khoa D. Nguyen · 2026

In 1963, Rapha\"el Salem concluded his highly influential book ``Algebraic Numbers and Fourier Analysis'' with a list of four unsolved problems. The first two problems remain wide open while the last …

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AI & Data Science Preprint PDF DOI

Sessa: Selective State Space Attention

Liubomyr Horbatko · 2026

Modern sequence modeling is dominated by two families: Transformers, whose self-attention can access arbitrary elements of the visible sequence, and structured state-space models, which propagate info…

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AI & Data Science Preprint PDF DOI

MAPLE: A Meta-learning Framework for Cross-Prompt Essay Scoring

Salam Albatarni, May Bashendy, Sohaila Eltanbouly, Tamer Elsayed · 2026

Automated Essay Scoring (AES) faces significant challenges in cross-prompt settings, where models must generalize to unseen writing prompts. To address this limitation, we propose MAPLE, a meta-learni…

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Physics Preprint PDF DOI

Theoretical and Numerical Efforts in Understanding Modern Experiments on Quantum Magnetism

Zi Yang Meng, Cristian D. Batista, Shiliang Li · 2026

In recent decades, the study of quantum magnets, which feature unconventional behaviour such as exotic quantum phase transitions and quantum spin liquids, and unconventional magnetic states of matter,…

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Physics Preprint PDF DOI

Possible fractal nature of accretion flows in MAD and SANE simulations: Implications to GRS 1915+105

Srishty Aggarwal, Rohan Raha, Mayank Pathak, Banibrata Mukhopadhyay · 2026

The general relativistic magnetohydrodynamic (GRMHD) simulations are widely used to study accretion disk and jet dynamics around a black hole. Despite strong observational evidences for intrinsically …

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Mathematics Preprint PDF DOI

Some results on small ordered and cyclic Ramsey numbers

Nino Basic, Ivan Damnjanovic, Dragan Stevanovic, Ivan Stosic · 2026

Let $k \in \mathbb{N}$ and let $H_1, H_2, \ldots, H_k$ be simple graphs such that for each $j \in \{ 1, 2, \ldots, k \}$, the vertex set of $H_j$ is $\{ 0, 1, 2, \ldots, n_j - 1 \}$ for some $n_j \in …

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Physics Preprint PDF DOI

Surveying the Whirlpool at Arcseconds with NOEMA (SWAN). IV. Extent of active galactic nucleus feedback on the interstellar medium

Mallory D. Thorp, Antonio Usero, Frank Bigiel, Ina Galic, Smita Mathur, Sophia K. Stuber, Jennifer A. Rodriguez, Dario Colombo, Bret Lehmer, Eva Schinnerer, Amirnezam Amiri, Ashley Barnes, Zein Bazzi, Guillermo A. Blanc, Cosima Eibensteiner, Simon Glover, Laura A. Lopez, Erik B. Monson, Lukas Neumann, Jerome Pety, Miguel Querejeta, Thomas G. Williams · 2026

Active Galactic Nuclei (AGN) are intertwined with galaxy evolution, injecting energy into the interstellar medium (ISM) that could regulate star formation as a galaxy evolves. However, the phenomena t…

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Mathematics Preprint PDF DOI

Locally Equienergetic Graphs

Cahit Dede, Kalpesh M. Popat · 2026

For a given graph \( G \), let \( G^{(j)} \) denote the graph obtained by the deletion of vertex \( v_j \) from \( G \). The difference \( \mathscr{E}(G) - \mathscr{E}(G^{(j)}) \) quantifies the chang…

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Physics Preprint PDF DOI

Revisiting Ca II Activity Indices in FGK Stars: Systematic Biases in Infrared Triplet Measurements

Xiaozhen Yang, Xiaoting Fu, Mingjie Jian, Jingkun Zhao, Hailong Yuan, Zhongrui Bai, Mengxin Wang, Yiqiao Dong, Mingkuan Yang, Ziyue Jiang, Qian Liu, Ganyu Li, Haotong Zhang · 2026

Synthetic-template subtraction is widely used to measure chromospheric activity in large spectroscopic surveys. However, many solar-like FGK stars show systematically negative Ca II infrared triplet (…

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Computer Science Preprint PDF DOI

Mitigating S-RAHA: An On-device Framework to Prevent Forwarding of Re-Captured Images

Keshav Sood, Iynkaran Natgunanathan, Purathani Praitheeshan, Praitheeshan Kirupananthan · 2026

Protecting sensitive visual content from unauthorized redistribution is a growing challenge for privacy focused mobile applications, including dating platforms. Screenshot prevention mechanisms, rely …

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Physics Preprint PDF DOI

HHL with a Coherent Fourier Oracle: A Proof-of-Concept Quantum Architecture for Joint Melody-Harmony Generation

Alexis Kirke · 2026

Quantum algorithms with a proven theoretical speedup over classical computation are rare. Among the most prominent is the Harrow-Hassidim-Lloyd (HHL) algorithm for solving sparse linear systems. Here,…

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AI & Data Science Preprint PDF DOI

RADA: Region-Aware Dual-encoder Auxiliary learning for Barely-supervised Medical Image Segmentation

Shuang Zeng, Boxu Xie, Lei Zhu, Xinliang Zhang, Jiakui Hu, Zhengjian Yao, Yuanwei Li, Yuxing Lu, Yanye Lu · 2026

Deep learning has greatly advanced medical image segmentation, but its success relies heavily on fully supervised learning, which requires dense annotations that are costly and time-consuming for 3D v…

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Engineering Preprint PDF DOI

GPU-Accelerated Continuous-Time Successive Convexification for Contact-Implicit Legged Locomotion

Samuel C. Buckner, Purnanand Elango · 2026

Contact-implicit trajectory optimization (CITO) enables the automatic discovery of contact sequences, but most methods rely on fine time discretization to capture all contact events accurately, which …

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Computer Science Preprint PDF DOI

NIRVANA: A Comprehensive Dataset for Reproducing How Students Use Generative AI for Essay Writing

Andrew Jelson, Daniel Manesh, Sangwook Lee, Alice Jang, Daniel Dunlap, Tamara Maddox, Young-Ho Kim, Sang Won Lee · 2026

With the rapid adoption of AI writing assistants in education, educators and researchers need empirical evidence to understand the impact on student writing and inform effective pedagogical design. De…

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Physics Preprint PDF DOI

Reactor Antineutrino Oscillations and Geoneutrinos in SNO+

William Parker · 2026

SNO+ is a multipurpose liquid-scintillator neutrino detector located 2 km underground at SNOLAB, Canada. Three large nuclear reactors at baselines of 240-350 km allow a precise measurement of the neut…

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Physics Preprint PDF DOI

H-NESSi: The Hierarchical Non-Equilibrium Systems Simulation package

Thomas Blommel, Jeremija Kovacevic, Jason Kaye, Emanuel Gull, Jaksa Vucicevic, Denis Golez · 2026

We present H-NESSi (The Hierarchical Non-Equilibrium Systems Simulation package), an open-source software package for solving the Kadanoff-Baym equations (KBE) of nonequilibrium Green's function (NEGF…

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