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Earth & Environmental Sciences Preprint PDF DOI

Estimating the Kinetic Energy Spectrum from the Second-Order Velocity Structure Function using a Regularized Fitting Approach

Ayantika Bhattacharjee, Spencer Jones, Dhruv Balwada, Shane Elipot, Manuel Gutierrez-Villanueva · 2026

Ocean turbulence plays a key role in shaping large-scale circulation, heat uptake, and biogeochemical processes. The kinetic energy (KE) wavenumber spectrum is a fundamental diagnostic, quantifying ho…

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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

On the Determinant of K\H{o}nig-Egerv\'ary Graphs

Kevin Pereyra · 2026

Several graph decompositions that factorize the determinant of the adjacency matrix isolate a K\H{o}nig-Egerv\'ary part, such as the SD--KE decomposition and the critical independence decomposition of…

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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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AI & Data Science Preprint PDF DOI

Knowledge Visualization: A Benchmark and Method for Knowledge-Intensive Text-to-Image Generation

Ran Zhao, Sheng Jin, Size Wu, Kang Liao, Zerui Gong, Zujin Guo, Yang Xiao, Wei Li · 2026

Recent text-to-image (T2I) models have demonstrated impressive capabilities in photorealistic synthesis and instruction following. However, their reliability in knowledge-intensive settings remains la…

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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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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

MedConcept: Unsupervised Concept Discovery for Interpretability in Medical VLMs

Md Rakibul Haque, KM Arefeen Sultan, Tushar Kataria, Shireen Elhabian · 2026

While medical Vision-Language models (VLMs) achieve strong performance on tasks such as tumor or organ segmentation and diagnosis prediction, their opaque latent representations limit clinical trust a…

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AI & Data Science Preprint PDF DOI

AOP-Smart: A RAG-Enhanced Large Language Model Framework for Adverse Outcome Pathway Analysis

Qinjiang Niu, Lu Yan · 2026

Adverse Outcome Pathways (AOPs) are an important knowledge framework in toxicological research and risk assessment. In recent years, large language models (LLMs) have gradually been applied to AOP-rel…

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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

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

AfriVoices-KE: A Multilingual Speech Dataset for Kenyan Languages

Lilian Wanzare, Cynthia Amol, zekiel Maina, Nelson Odhiambo, Hope Kerubo, Leila Misula, Vivian Oloo, Rennish Mboya, Edwin Onkoba, Edward Ombui, Joseph Muguro, Ciira wa Maina, Andrew Kipkebut, Alfred Omondi Otom, Ian Ndung'u Kang'ethe, Angela Wambui Kanyi, Brian Gichana Omwenga · 2026

AfriVoices-KE is a large-scale multilingual speech dataset comprising approximately 3,000 hours of audio across five Kenyan languages: Dholuo, Kikuyu, Kalenjin, Maasai, and Somali. The dataset include…

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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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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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AI & Data Science Preprint PDF DOI

IDEA2: Expert-in-the-loop competency question elicitation for collaborative ontology engineering

Elliott Watkiss-Leek, Reham Alharbi, Harry Rostron, Andrew Ng, Ewan Johnson, Andrew Mitchell, Terry R. Payne, Valentina Tamma, Jacopo de Berardinis · 2026

Competency question (CQ) elicitation represents a critical but resource-intensive bottleneck in ontology engineering. This foundational phase is often hampered by the communication gap between domain …

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Physics Preprint PDF DOI

Solving L\'{e}vy Sachdev-Ye-Kitaev Model

Budhaditya Bhattacharjee, William. E. Salazar, Alexei Andreanov, Dario Rosa · 2026

We present an exact solution in the large-$N$ limit of the L\'{e}vy Sachdev-Ye-Kitaev (LSYK) model introduced in Ref. [1], wherein the couplings are drawn from a L\'{e}vy Stable distribution parameter…

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Physics Preprint PDF DOI

Non-stabilizerness and U(1) symmetry in chaotic many-body quantum systems

Daniele Iannotti, Angelo Russotto, Barbara Jasser, Jovan Odavic, Alioscia Hamma · 2026

We present exact, closed-form results for the non-stabilizerness of random pure states subject to a U(1) symmetry constraint. Using stabilizer entropy as our non-stabilizerness monotone, we derive the…

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AI & Data Science Preprint PDF DOI

Semi-Automated Knowledge Engineering and Process Mapping for Total Airport Management

Darryl Teo, Adharsha Sam, Chuan Shen Marcus Koh, Rakesh Nagi, Nuno Antunes Ribeiro · 2026

Documentation of airport operations is inherently complex due to extensive technical terminology, rigorous regulations, proprietary regional information, and fragmented communication across multiple s…

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