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Physics Preprint PDF DOI

Eccentricity as a signature of hierarchical subsolar-mass mergers in collapsar disks

Jiaxi Wu, Elias R. Most, Nils L. Vu, Nils Deppe, Lawrence E. Kidder, Kyle C. Nelli, William Throwe · 2026

In this work, we investigate gravitational-wave signatures of a proposed subsolar-mass merger scenario resulting from fragmentation inside a collapsar accretion disk. This scenario has gained recent i…

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Physics Preprint PDF DOI

Population synthesis of Be X-ray binaries in the Small Magellanic Cloud: angular momentum recycling and stable mass transfer

Victor Lopez Oller, Boyuan Liu, Michela Mapelli, Stefano Rinaldi, Cecilia Sgalletta, Julia Bodensteiner, Giuliano Iorio, Rebekka Schupp · 2026

Be X-ray binaries (BeXRBs) are key laboratories to constrain binary interaction processes such as mass transfer, angular-momentum transport, and natal kicks. The Small Magellanic Cloud (SMC), hosting …

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AI & Data Science Preprint PDF DOI

Assessing Y-Axis Influence: Bias in Multimodal Language Models on Chart-to-Table Translation

Seok Hwan Song, Azher Ahmed Efat, Wallapak Tavanapong · 2026

Chart-to-table translation converts chart images into structured tabular data. Accurate translation is crucial for Multimodal Language Model (MLM) to answer complex queries. We observe imbalances in t…

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Engineering Preprint PDF DOI

An analysis of sensor selection for fruit picking with suction-based grippers

Eva Krueger, Marcus Rosette, Joseph R. Davidson · 2026

Robotic fruit harvesting often fails to reliably detect whether a fruit has been successfully picked, limiting efficiency and increasing crop damage. This problem is difficult due to compliant fruit a…

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Computer Science Preprint PDF DOI

Resolving Conflicts Between RTOS Timekeeping and Uninterruptable Trusted Computing

Antonio Joia Neto, Amarin Laohajirapan, Norrathep Rattanavipanon, Ivan De Oliveira Nunes · 2026

Trusted Execution Environments (TEEs) on low-power microcontrollers (e.g., ARM TrustZone-M) enable isolation of Secure and Non-Secure software but still require both worlds to share resources, includi…

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Earth & Environmental Sciences Preprint PDF DOI

Impact of Cold Jupiter Scattering on the Mean-Motion Resonance of Inner Small Planets

Kangrou Guo, Xiumin Huang, Dong Lai · 2026

A key feature of close-in, multiple super-Earth (SE) systems is the tendency for adjacent planet pairs to lie just wide of low-order mean-motion resonances (MMR). This period ratio distribution has mo…

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AI & Data Science Preprint PDF DOI

MoE-nD: Per-Layer Mixture-of-Experts Routing for Multi-Axis KV Cache Compression

Libo Sun, Peixiong He, Po-Wei Harn, Xiao Qin · 2026

KV cache memory is the dominant bottleneck for long-context LLM inference. Existing compression methods each act on a single axis of the four-dimensional KV tensor -- token eviction (sequence), quanti…

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AI & Data Science Preprint PDF DOI

MambaKick: Early Penalty Direction Prediction from HAR Embeddings

Henry O. Velesaca, David Freire-Obregon, Abel Reyes-Angulo, Steven Araujo, Angel Sappa · 2026

Penalty kicks in soccer are decided under extreme time constraints, where goalkeepers benefit from anticipating shot direction from the kickers motion before or around ball contact. In this paper, Mam…

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Physics Preprint PDF DOI

Numerical investigation of particle acceleration at interplanetary shocks: diffusive and superdiffusive scenarios

Giuseppe Prete, Gaetano Zimbardo, Silvia Perri · 2026

Energetic particles are ubiquitous in space and astrophysical plasmas, and interplanetary shocks are widely regarded as one of the main particle accelerators in the heliosphere. Indeed, in-situ measur…

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Mathematics Preprint PDF DOI

Minimal resolutions of toric substacks by line bundles

Zengrui Han · 2026

We construct minimal resolutions of pushforwards of structure sheaves of toric substacks of smooth toric stacks by line bundles as strong deformation retracts of cellular resolutions constructed by Ha…

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Physics Preprint PDF DOI

The role of accretion efficiency, natal kicks, and angular momentum transport in the formation of the Gaia black holes

Michela Mapelli, Cecilia Sgalletta, Johanna Muller-Horn, Giuliano Iorio, Stefano Rinaldi, Christian Burt, Daniel Marin Pina, Amedeo Romagnolo · 2026

Gaia has the potential to deliver several tens of new dormant black holes (BHs) with low-mass stellar companions (hereafter, Gaia BHs) in the upcoming fourth data release. Three Gaia BHs are already k…

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Physics Preprint PDF DOI

A Path to Constraints on Common Envelope Ejection in Massive Binaries: Full Evolutionary Reconstruction of Three Black Hole X-ray Binaries

Zhenwei Li, Dandan Wei, Shi Jia, Hailiang Chen, Hongwei Ge, Zhuo Chen, Yangyang Zhang, Xuefei Chen, Zhanwen Han · 2026

The massive binary common envelope (CE) phase plays a pivotal role in the formation of close black hole/neutron star (BH/NS) binaries, yet significant uncertainties remain in our understanding of this…

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Physics Preprint PDF DOI

Repopulating the pair-instability mass gap without sustained growth to massive IMBHs: the case of 47\,Tuc

Debatri Chattopadhyay, Daniel Marin Pina, Mark Gieles, Fabio Antonini, Fotios Fronimos Pouliasis · 2026

We model the formation and retention of the most massive black hole (BH) in 47~Tuc using the semi-analytical code \texttt{cBHBd}, coupling cluster evolution with binary BH dynamics and computing merge…

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AI & Data Science Preprint PDF DOI

Event-Driven Temporal Graph Networks for Asynchronous Multi-Agent Cyber Defense in NetForge_RL

Igor Jankowski · 2026

The transition of Multi-Agent Reinforcement Learning (MARL) policies from simulated cyber wargames to operational Security Operations Centers (SOCs) is fundamentally bottlenecked by the Sim2Real gap. …

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Physics Preprint PDF DOI

Numerical Modeling of Solvent Diffusion through the Transition Metal Dichalcogenides based Nanomaterials

Geetika Sahu · 2026

This article presents a numerical simulation of solvent diffusion in transition metal dichalcogenide based nanomaterials during solvothermal reaction, leading to layer exfoliation and, consequently, a…

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Engineering Preprint PDF DOI

A Soft Robotic Interface for Chick-Robot Affective Interactions

Jue Chen, Alexander Mielke, Kaspar Althoefer, Elisabetta Versace · 2026

The potential of Animal-Robot Interaction (ARI) in welfare applications depends on how much an animal perceives a robotic agent as socially relevant, non-threatening and potentially attractive (accept…

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Physics Preprint PDF DOI

Remnant recoil and host environments of GWTC-4.0 binary black-hole mergers

Joan Llobera-Querol, Eleanor Hamilton, Neha Singh, Marta Colleoni, Felip A. Ramis Vidal, Abbas Askar, Tomasz Bulik, Aleksandra Olejak, Sascha Husa, Yumeng Xu, Jorge Valencia · 2026

Determining the astrophysical origin of binary black holes and whether merger remnants are retained in their birth environments is essential for understanding hierarchical mergers and the growth of in…

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Mathematics Preprint PDF DOI

A counterexample to the conjecture on Biclique Partition number of Split Graphs and related problems

Anand Babu, Ashwin Jacob · 2026

The biclique partition number of a graph \(G\), denoted \( \operatorname{bp}(G)\), is the minimum number of biclique subgraphs needed to partition the edge set of $G$. Lyu and Hicks \cite{lyu2023findi…

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Engineering Preprint PDF DOI

Pickalo: Leveraging 6D Pose Estimation for Low-Cost Industrial Bin Picking

Alessandro Tarsi, Matteo Mastrogiuseppe, Saverio Taliani, Simone Cortinovis, Ugo Pattacini · 2026

Bin picking in real industrial environments remains challenging due to severe clutter, occlusions, and the high cost of traditional 3D sensing setups. We present Pickalo, a modular 6D pose-based bin-p…

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Physics Preprint PDF DOI

Inference of recoil kicks from binary black hole mergers up to GWTC--4 and their astrophysical implications

Tousif Islam · 2026

We infer recoil (kick) velocities for all binary black hole merger events reported up to the GWTC--4 catalog, together with candidate intermediate-mass black hole events. We obtain informative kick co…

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