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Physics Preprint PDF DOI

The mixed-dimensional quantum MacWilliams identity: bounds for codes and absolutely maximally entangled states in heterogeneous systems

David Gonzalez-Lociga, Simeon Ball ยท 2026

As emerging quantum architectures evolve into heterogeneous networks combining different physical substrates, such as qubits for logic and higher-dimensional qudits for robust communication, the tradiโ€ฆ

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Physics Preprint PDF DOI

AutoQResearch: LLM-Guided Closed-Loop Policy Search for Adaptive Variational Quantum Optimization

Monit Sharma, Hoong Chuin Lau ยท 2026

Configuring variational quantum algorithms for combinatorial optimization remains a difficult, expert-driven process requiring coordinated choices over solver family, ansatz, objective, and optimizer.โ€ฆ

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Physics Preprint PDF DOI

Data-driven reconstruction of spatiotemporal phase dynamics for traveling and oscillating patterns via Bayesian inference

Takahiro Arai, Toshio Aoyagi, Yoji Kawamura ยท 2026

Building on the phase reduction theory formulated for reaction-diffusion systems with spatial translational symmetry, we develop a data-driven method that reconstructs the spatiotemporal phase dynamicโ€ฆ

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Engineering Preprint PDF DOI

sumoITScontrol: Traffic Controller Collection for SUMO Traffic Simulations

Kevin Riehl, Anastasios Kouvelas, Michail A. Makridis ยท 2026

Reliable benchmarking is essential for progress in intelligent traffic control research. While microscopic traffic simulators such as SUMO enable detailed modelling of individual vehicle interactions,โ€ฆ

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Mathematics Preprint PDF DOI

On Scott's odd induced subgraph conjecture and a related problem

Bo Ning ยท 2026

For a graph $G$, let $f_o(G)$ denote the maximum order of an induced subgraph of $G$ all of whose vertices have odd degree, and let $\chi(G)$ denote the chromatic number of $G$. Scott (CPC, 1992) provโ€ฆ

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Mathematics Preprint PDF DOI

Handling some Diophantine equation via Euclidean algorithm and its application to purely exponential equations

Takafumi Miyazaki, Reese Scott, Robert Styer ยท 2026

In this paper, we use a variety of classical and new research methods for ternary exponential Diophantine equations and extensive use of computer calculations to study the conjecture of R. Scott and Rโ€ฆ

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AI & Data Science Preprint PDF DOI

AgentRVOS for MeViS-Text Track of 5th PVUW Challenge: 3rd Method

Deshui Miao, Chao Yang, Chao Tian, Guoqing Zhu, Kai Yang, Zhifan Mo, Xin Li ยท 2026

This report describes a Ref-VOS pipeline centered on Sa2VA and organized with explicit agent roles. The key idea is that Sa2VA should provide the first dense semantic hypothesis, while an agent loop dโ€ฆ

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AI & Data Science Preprint PDF DOI

FregeLogic at SemEval 2026 Task 11: A Hybrid Neuro-Symbolic Architecture for Content-Robust Syllogistic Validity Prediction

Adewale Akinfaderin, Nafi Diallo ยท 2026

We present FregeLogic, a hybrid neuro-symbolic system for SemEval-2026 Task 11 (Subtask 1), which addresses syllogistic validity prediction while reducing content effects on predictions. Our approach โ€ฆ

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AI & Data Science Preprint PDF DOI

Lightweight Geometric Adaptation for Training Physics-Informed Neural Networks

Kang An, Chenhao Si, Shiqian Ma, Ming Yan ยท 2026

Physics-Informed Neural Networks (PINNs) often suffer from slow convergence, training instability, and reduced accuracy on challenging partial differential equations due to the anisotropic and rapidlyโ€ฆ

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Computer Science Preprint PDF DOI

SQL Query Engine: A Self-Healing LLM Pipeline for Natural Language to PostgreSQL Translation

Muhammad Adeel Ijaz ยท 2026

We present SQL Query Engine, an open-source, self-hosted service that translates natural language questions into validated PostgreSQL queries through a two-stage LLM pipeline. The first stage performsโ€ฆ

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Computer Science Preprint PDF DOI

Online TCP Acknowledgment under General Delays

Sujoy Bhore, Micha{l} Paw{l}owski, Seeun William Umboh ยท 2026

In a seminal work, Dooly, Goldman, and Scott (STOC 1998; JACM 2001) introduced the classic Online TCP Acknowledgment problem. In this problem, a sequence of $n$ packets arrives over time, and the objeโ€ฆ

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Mathematics Preprint PDF DOI

A strong second-order two-stage explicit/implicit technique with spectral orthogonal basis Galerkin finite element method for two-dimensional Gray-Scott model

Eric Ngondiep ยท 2026

This paper proposes a strong second-order two-step explicit/implicit technique with spectral orthogonal basis Galerkin finite element method for solving a two-dimensional Gray-Scott model subject to aโ€ฆ

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Computer Science Preprint PDF DOI

How Many Tries Does It Take? Iterative Self-Repair in LLM Code Generation Across Model Scales and Benchmarks

Johin Johny Arimbur ยท 2026

Large language models frequently fail to produce correct code on their first attempt, yet most benchmarks evaluate them in a single-shot setting. We investigate iterative self-repair (feeding executioโ€ฆ

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Computer Science Preprint PDF DOI

A Domain-Theoretic Foundation for Imprecise Probability and Credal Sets

Abbas Edalat, Pietro Di Gianantonio, Amin Farjudian ยท 2026

We develop a domain-theoretic framework for imprecise probability reasoning and inference on general topological spaces with a countably based continuous lattice of open sets. We address two distinct โ€ฆ

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Mathematics Preprint PDF DOI

Sharp threshold for reconstructing points on the line

Georgii Zakharov ยท 2026

For a set of $n$ points $V \subseteq \mathbb{R}$ let $G(V, p)$ be the random graph on $V$ where each possible edge is present independently with probability $p$. We call a subset $U \subseteq V$ {\empโ€ฆ

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AI & Data Science Preprint PDF DOI

SCOT: Multi-Source Cross-City Transfer with Optimal-Transport Soft-Correspondence Objective

Yuyao Wang, Min Yang, Meng Chen, Weiming Huang, Yongshun Gong ยท 2026

Cross-city transfer improves prediction in label-scarce cities by leveraging labeled data from other cities, but it becomes challenging when cities adopt incompatible partitions and no ground-truth reโ€ฆ

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Computer Science Preprint PDF DOI

Spot-and-Scoot: Peeking Into Spot Instance Availability

Kyumin Kim, Moohyun Song, Taeyoon Kim, Kyungyong Lee ยท 2026

Spot instances offer significant cost savings of up to 90% over on-demand prices, making them an attractive resource for large-scale computing workloads. However, understanding their availability dynaโ€ฆ

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Mathematics Preprint PDF DOI

The Thue-Morse Transform

Benoit Cloitre ยท 2026

We introduce the Thue--Morse transform, a transform on binary sequences defined through their evil and odious numbers, namely the positions of $0$'s and $1$'s, respectively, and prove that its iterateโ€ฆ

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Mathematics Preprint PDF DOI

On topologies on the space of valuations and the valuative tree

Vinicius Manfredini, Josnei Novacoski, Caio Henrique Silva de Souza ยท 2026

In this paper, we discuss topological aspects of the space of valuations $\mathbb{V}$ and the valuative tree $\mathcal{T}(v,\Lambda)$. We present a relation between the weak tree topology and the Scotโ€ฆ

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Computer Science Preprint PDF DOI

Signal Constellations with Enhanced Energy Efficiency for High-Speed Communication Systems

Mark Bykhovskiy ยท 2026

This paper proposes a new method for constructing multidimensional signal constellations (SC), referred to as SCOPT, for high-speed communication systems with enhanced energy efficiency (EE). In contrโ€ฆ

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