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Physics Preprint PDF DOI

Hindered Prompt-Neutron Evaporation in Surrogate Reactions for $^{239}$Pu(n,f)

D. Ramos, M. Caamano, F. Farget, C. Rodriguez-Tajes, A. Lemasson, M. Rejmund, C. Schmitt, E. Clement, O. Litaize, O. Serot, L. Audouin, J. Benlliure, E. Casarejos, D. Cortina, D. Dore, B. Fernandez-Dominguez, G. de France, A. Heinz, B. Jacquot, C. Paradela, T. Roger · 2026

Isotopic fission-fragment distributions of $^{240}$Pu have been measured, for the first time, as a function of the initial excitation energy, and the prompt neutron multiplicity has been derived from …

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Physics Preprint PDF DOI

Quantum mechanical bootstrap without inequalities: SYK bilinear spectrum

Kok Hong Thong, David Vegh · 2026

We study a quantum mechanical system whose spectrum coincides with that of bilinear operators of the Sachdev-Ye-Kitaev model. The standard positivity-based quantum mechanical bootstrap is degenerate w…

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Mathematics Preprint PDF DOI

CR-invariant energy of Legendrian knots in the Heisenberg group

Yoshihiko Matsumoto, Jun O'Hara · 2026

We introduce an energy functional for Legendrian knots in the 3-dimensional Heisenberg group $\mathcal{H}$, which serves as a sub-Riemannian analog of the M\"obius invariant knot energy in Euclidean 3…

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Computer Science Preprint PDF DOI

Adoption of TikTok as a Learning Tool in Physical Education: Evidence from the Philippines

Vanessa B. Sibug, Jan Henry B. Sunga, Emerson Q. Fernando, Roe Vincent S. Ovejas, Arjan Gil S. Mendoza, Trisha Anne A. Onofre, Agnes R. Regala, John Paul P. Miranda · 2026

This study examines the factors that influence the adoption of TikTok as a learning tool for physical education (PE)-related content among tertiary students in the Philippines. The study applies the T…

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Physics Preprint PDF DOI

Rotating End of the World

Kyung Kiu Kim, Hawjin Eom, Jung Hun Lee, Yunseok Seo · 2026

We study the thermodynamics and interior structures of dynamical end of the world (EoW) branes in the rotating BTZ black hole. By mapping the induced metric of the branes to an effective Jackiw-Teitel…

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Engineering Preprint PDF DOI

Partition-of-Unity Gaussian Kolmogorov-Arnold Networks

Amir Nooeizadegan · 2026

Gaussian basis functions provide an efficient and flexible alternative to spline activations in KANs. In this work, we introduce the partition-of-unity Gaussian KAN (PU-GKAN), a Shepard-type normalize…

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Physics Preprint PDF DOI

A rigorous quasipolynomial-time classical algorithm for SYK thermal expectations

Alexander Zlokapa · 2026

Estimating local observables in Gibbs states is a central problem in quantum simulation. While this task is BQP-complete at asymptotically low temperatures, the possibility of quantum advantage at con…

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AI & Data Science Preprint PDF DOI

A proposal for PU classification under Non-SCAR using clustering and logistic model

Konrad Furmanczyk, Kacper Paczutkowski · 2026

The present study aims to investigate a cluster cleaning algorithm that is both computationally simple and capable of solving the PU classification when the SCAR condition is unsatisfied. A secondary …

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Computer Science Preprint PDF DOI

Hierarchical Codec Diffusion for Video-to-Speech Generation

Jiaxin Ye, Gaoxiang Cong, Chenhui Wang, Xin-Cheng Wen, Zhaoyang Li, Boyuan Cao, Hongming Shan · 2026

Video-to-Speech (VTS) generation aims to synthesize speech from a silent video without auditory signals. However, existing VTS methods disregard the hierarchical nature of speech, which spans coarse s…

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Physics Preprint PDF DOI

Double-scaled bosonic and fermionic embedded ensembles, complex SYK, and the dual Hilbert space

Jarod Tall, Steven Tomsovic · 2026

We derive the density of states along with the $2$- and $4$-point functions of embedded ensembles for both fermions and bosons in the double-scaled limit. It is shown the models are equivalent to the …

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AI & Data Science Preprint PDF DOI

AbLWR:A Context-Aware Listwise Ranking Framework for Antibody-Antigen Binding Affinity Prediction via Positive-Unlabeled Learning

Fan Xu, Zhi-an Huang, Haohuai He, Yidong Song, Wei Liu, Dongxu Zhang, Yao Hu, Kay Chen Tan · 2026

Accurate prediction of antibody-antigen binding affinity is fundamental to therapeutic design, yet remains constrained by severe label sparsity and the complexity of antigenic variations. In this pape…

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Physics Preprint PDF DOI

Quantum simulation of traversable-wormhole-inspired quantum teleportation in a chaotic binary sparse SYK model

Moongul Byun, Keun-Young Kim, Hyeonsoo Lee · 2026

We report the experimental observation of holographically motivated quantum teleportation on a quantum processor, driven by the highly entangled, chaotic dynamics of a many-body system. Specifically, …

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Physics Preprint PDF DOI

Synthesis mechanism of superheavy element 120: a dinuclear system model approach with microscopic inputs

Wei Zhang, Shi-Jie Zhang, Peng-Hui Chen · 2026

The dinuclear system model incorporates several essential input physical quantities, including nuclear mass, fission barrier, shell correction energy, level density parameter, and shell damping factor…

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Physics Preprint PDF DOI

Nucleation of Sachdev-Ye-Kitaev Clusters in One Spatial Dimension

Hrant Topchyan, Tigran A. Sedrakyan · 2026

We study how Sachdev-Ye-Kitaev (SYK) interactions can arise from localized single-particle states on a system that is effectively one dimensional. If a local interaction is projected onto coarse local…

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AI & Data Science Preprint PDF DOI

Mixture Proportion Estimation and Weakly-supervised Kernel Test for Conditional Independence

Yushi Hirose, Akito Narahara, Takafumi Kanamori · 2026

Mixture proportion estimation (MPE) aims to estimate class priors from unlabeled data. This task is a critical component in weakly supervised learning, such as PU learning, learning with label noise, …

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AI & Data Science Preprint PDF DOI

Unifying VLM-Guided Flow Matching and Spectral Anomaly Detection for Interpretable Veterinary Diagnosis

Pu Wang, Zhixuan Mao, Jialu Li, Zhuoran Zheng, Dianjie Lu, Youshan Zhang · 2026

Automatic diagnosis of canine pneumothorax is challenged by data scarcity and the need for trustworthy models. To address this, we first introduce a public, pixel-level annotated dataset to facilitate…

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Computer Science Preprint PDF DOI

Cognibit: From Digital Exhaustion to Real-World Connection Through Gamified Territory Control and LLM-Powered Twin Networking

Wanghao Ye, Sihan Chen, Yiting Wang, Shwai He, Bowei Tian, Guoheng Sun, Ziyi Wang, Ziyao Wang, Yexiao He, Zheyu Shen, Meng Liu, Yuning Zhang, Meng Feng, Yifei Dong, Yanhong Qian, Yang Wang, Siyuan Peng, Yilong Dai, Zhenle Duan, Joshua Liu, Lang Xiong, Hanzhang Qin, Ang Li · 2026

We present an LLM-powered social discovery platform that uses digital twins to autonomously evaluate interpersonal compatibility through behavioral simulation. The platform unifies three key pillars: …

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AI & Data Science Preprint PDF DOI

Detecting Media Clones in Cultural Repositories Using a Positive Unlabeled Learning Approach

V. Sevetlidis, V. Arampatzakis, M. Karta, I. Mourthos, D. Tsiafaki, G. Pavlidis · 2026

We formulate curator-in-the-loop duplicate discovery in the AtticPOT repository as a Positive-Unlabeled (PU) learning problem. Given a single anchor per artefact, we train a lightweight per-query Clon…

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Physics Preprint PDF DOI

Statistics of Matrix Elements of Operators in a Disorder-Free SYK model

Tingfei Li, Shuanghong Li · 2026

Recently, studies have explored the statistics of matrix elements of local operators in the Lieb-Liniger model. It was found that the probability distribution function for off-diagonal matrix elements…

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Physics Preprint PDF DOI

Continuous-time evolution via probabilistic angle interpolation and its applications

Tomoya Hayata, Yuta Kikuchi · 2026

We explore the applicability of a stochastic time-evolution algorithm based on probabilistic angle interpolation. To simplify the pre-processing of the algorithm, we take the continuous-time limit, th…

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