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Physics Preprint PDF DOI

Explicit Quantum Search Algorithm for the Densest k-Subgraph Problem

Yu.A. Biriukov, R.D. Morozov, I.V. Dyakonov, S.S. Straupe · 2026

This paper addresses the problem of finding the densest $k$-vertex subgraph in an arbitrary graph. This problem is NP-hard and has important applications in social network analysis, fraud detection, r…

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Computer Science Preprint PDF DOI

Harnessing the Freedom of Non-Uniformity in Monostatic ISAC with Antenna Flexibility

Zhe Wang, Mahmoud Zaher, Vitaly Petrov, Emil Bjornson · 2026

This paper studies flexible non-uniform array design for monostatic integrated sensing and communication (ISAC) systems. An antenna pool is considered at the base station, where each candidate antenna…

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Computer Science Preprint PDF DOI

Towards Intelligent Computation Offloading in Dynamic Vehicular Networks: A Scalable Multilayer Pipeline

Falk Dettinger, Matthias Wei{ss}, Baran Can Gul, Sruthi Mangala Suresh, Nasser Jazdi, Michael Weyrich · 2026

Software Defined Vehicles face an increasing computational gap as advanced algorithms and frequent software updates demand more processing power while onboard hardware remains static throughout a vehi…

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Physics Preprint PDF DOI

Continuous Noise Model for Quantum Circuits

Yunos El Kaderi, Andreas Honecker, Iryna Andriyanova · 2026

Quantum noise is a central challenge in quantum computing across many applications. Extensive work has examined how qubits couple to their environment, leading to decoherence and relaxation, which is …

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Mathematics Preprint PDF DOI

Size-4 Counterexamples to the Sidon-Extension Conjecture

Tong Niu · 2026

A finite set $S \subset \mathbb{Z}$ is a \emph{Sidon set} if its pairwise differences are distinct. A \emph{perfect difference set} (PDS) of order $n$ is a set $B \subset \mathbb{Z}_v$ ($v = n^2 - n +…

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AI & Data Science Preprint PDF DOI

Revisable by Design: A Theory of Streaming LLM Agent Execution

Zhiyuan Zhai, Ming Li, Xin Wang · 2026

Current LLM agents operate under an implicit but universal assumption: execution is a transaction -- the user submits a request, the agent works in isolation, and only upon completion does the dialogu…

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Mathematics Preprint PDF DOI

On simple compact Lie skew braces

Marco Damele, Andrea Loi · 2026

We study simplicity of Lie skew braces from both global and infinitesimal perspectives. After reviewing the correspondence between connected Lie skew braces, simply transitive affine actions, and post…

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AI & Data Science Preprint PDF DOI

Estimating Tail Risks in Language Model Output Distributions

Rico Angell, Raghav Singhal, Zachary Horvitz, Zhou Yu, Rajesh Ranganath, Kathleen McKeown, He He · 2026

Language models are increasingly capable and are being rapidly deployed on a population-level scale. As a result, the safety of these models is increasingly high-stakes. Fortunately, advances in align…

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AI & Data Science Preprint PDF DOI

Efficient Bayes Factor Sensitivity Analysis via Posterior Density Ratios

Frantisek Bartos, Eric-Jan Wagenmakers, Maarten Marsman, Don van den Bergh · 2026

Bayes factor sensitivity analysis examines how the evidence for one hypothesis over another depends on the prior distribution. In complex models, the standard approach refits the model at each hyper-p…

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Computer Science Preprint PDF DOI

Finding Pareto frontier for one-sided matching

Bhavik Dodda, Garima Shakya · 2026

One-sided matching problems with ordinal preferences, such as hostel room allocation, are commonly solved using the Top Trading Cycles (TTC) mechanism, which guarantees Pareto-optimal (PO) outcomes. H…

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Engineering Preprint PDF DOI

Scaling of Gaussian Kolmogorov--Arnold Networks

Amir Noorizadegan, Sifan Wang · 2026

The Gaussian scale parameter \(\epsilon\) is central to the behavior of Gaussian Kolmogorov--Arnold Networks (KANs), yet its role in deep edge-based architectures has not been studied systematically. …

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AI & Data Science Preprint PDF DOI

Revac: A Social Deduction Reasoning Agent

Mihir Shriniwas Arya, Avinash Anish, Aditya Ranjan · 2026

Social deduction games such as Mafia present a unique AI challenge: players must reason under uncertainty, interpret incomplete and intentionally misleading information, evaluate human-like communicat…

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Mathematics Preprint PDF DOI

Addendum/Corrigendum to "On solubility of skew left braces and solutions of the Yang-Baxter equation"

A. Ballester-Bolinches, R. Esteban-Romero, P. Jimenez-Seral, V. Perez-Calabuig · 2026

In our previous work: Adv. Math. 455 (2024), no. 109880, solubility of solutions was introduced as an extension of solubility of skew braces in the classification context of non-degenerate solutions o…

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Engineering Preprint PDF DOI

Geometry-Aware Networking for Low-Altitude Economy: Movable Antennas in Space-Air-Ground Integrated Systems

Heyou Liu, Bang Huang, Mohamed-Slim Alouini · 2026

Space--air--ground integrated networks (SAGINs) are emerging as a key foundation for future non-terrestrial networks (NTNs) and low-altitude economy services. However, their performance is increasingl…

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Physics Preprint PDF DOI

Kardashev's Conundrum: Statistical Falsification of the Standard Kardashev Model and the Kardashev--Sagan--Nakamoto Resolution

Sebastian Gurovich · 2026

We test the standard Kardashev one-percent exponential conjecture against six decades of global primary-energy production data (1965-2024; Our World in Data). Markov Chain Monte Carlo inference yields…

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Physics Preprint PDF DOI

Single-Satellite Quantum Repeater Performance Analysis

Cameron Paterson, Jasminder S. Sidhu, Thomas Brougham, Sarah E. McCarthy, Daniel K. L. Oi · 2026

Space-based entanglement distribution has the potential to extend the range of quantum communication beyond that achievable through optical fibres that are constrained by exponential losses. Quantum r…

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AI & Data Science Preprint PDF DOI

Real-Time Visual Attribution Streaming in Thinking Model

Seil Kang, Woojung Han, Junhyeok Kim, Jinyeong Kim, Youngeun Kim, Seong Jae Hwang · 2026

We present an amortized framework for real-time visual attribution streaming in multimodal thinking models. When these models generate code from a screenshot or solve math problems from images, their …

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Physics Preprint PDF DOI

Exact Toda Black Holes of Rank-2 Lie Groups

H. Lu, Peng-Yu Wu, Ze-Hua Wu, Weicheng Zhao · 2026

We consider Einstein gravity coupled to two Maxwell fields and one dilatonic scalar, and construct spherically-symmetric and static black holes that are charged under both Maxwell fields in general $D…

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Physics Preprint PDF DOI

Finite density lattice QCD without extrapolation: Bulk thermodynamics with physical quark masses from the canonical ensemble

Alexander Adam, Szabolcs Borsanyi, Zoltan Fodor, Jana N. Guenther, Ludovica Pirelli, Paolo Parotto, Attila Pasztor, Chik Him Wong · 2026

Quantum Chromodynamics (QCD) at finite density is most often formulated on the lattice as a grand canonical ensemble. Since lattice QCD has a complex action problem at finite baryo-chemical potential …

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Mathematics Preprint PDF DOI

On ergodicity of the SAGA-LD algorithm

Miklos Rasonyi · 2026

The so-called SAGA-LD algorithm is used for efficient sampling from high-dimensional distributions in machine learning. Its intricate dynamics resists standard approaches of Markov chain theory. We pr…

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