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Mathematics Preprint PDF DOI

A half-space theorem for nonlocal minimal surfaces

Matteo Cozzi, Jack Thompson ยท 2026

We establish a half-space theorem \`a la Hoffman and Meeks for nonlocal minimal surfaces. Differently from the classical case, our result holds in every dimension.โ€ฆ

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Physics Preprint PDF DOI

A benchmark for binary star interaction with a supermassive black hole in general relativity

Megha Sharma, Alexander Heger, Daniel J. Price, Emilio Tejeda, Evgeni Grishin, Luis A. Manzaneda, Alessandro A. Trani ยท 2026

Most galaxies have supermassive black holes (SMBH) at their centres, surrounded by stars with binary systems also present in this environment. We use two schemes - post-Newtonian (PN) and a scalar perโ€ฆ

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Mathematics Preprint PDF DOI

Non-symmetrically $t$-affine functions revisited

Tibor Kiss, Dora Koroknai ยท 2026

In 2014, Michal Lewicki and Andrzej Olbry\'s proved that if a real valued function $f$ defined on the real line satisfies the conditional functional equation \[ f(tx + (1-t)y) = t f(x) + (1-t) f(y),\qโ€ฆ

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Mathematics Preprint PDF DOI

On a conjecture of distance spectral extremal problems

Hongzhang Chen, Jianxi Li, Yongtao Li ยท 2026

Brualdi and Hoffman proposed a well-known problem of determining the graph with maximum adjacency spectral radius among all graphs with given size $m$. Early work by Friedland and Stanley addressed soโ€ฆ

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Mathematics Preprint PDF DOI

Counterexamples to an Extremal Conjecture for Random Cycle-Factors

Rishikesh Gajjala ยท 2026

Christoph, Dragani\'{c}, Gir\~{a}o, Hurley, Michel, and M\"{u}yesser conjectured that, when $d\mid n$, the expected number of cycles in a uniformly random cycle-factor of a directed $d$-regular graph โ€ฆ

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Computer Science Preprint PDF DOI

Slice Agent: Identifying and Isolating Slices in Shared Open Radio Unit

Felipe Arnholda, Flavio Rocha, Lucio Prade, Cristiano Bonato Both ยท 2026

Network Slice as a Service (NSaaS) is a key enabler of Beyond Fifth Generation (5G) and Sixth Generation (6G) networks, supporting next-generation applications such as extended reality (XR), immersiveโ€ฆ

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Mathematics Preprint PDF DOI

On rates of convergence for sample average approximations without smoothness

Hien Duy Nguyen, Jacob Westerhout, Xin Guo ยท 2026

Sample average approximation (SAA) replaces an intractable expected objective by an empirical average and is a basic device of modern stochastic optimization. We develop a rate theory for optimal valuโ€ฆ

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Mathematics Preprint PDF DOI

Lusztig constants and endoscopy

Wille Liu, Wei-Hsuan Hsin, Cheng-Chiang Tsai ยท 2026

We prove that on a semisimple Lie algebra $\mathfrak{g}$ over a finite field of large characteristic, if a complex-valued invariant function $f$ and its Fourier transform $\hat f$ are both supported iโ€ฆ

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Mathematics Preprint PDF DOI

The Mihail-Vazirani conjecture and strong edge-expansion in random $0/1$ polytopes

Micha Christoph, Sahar Diskin, Lyuben Lichev, Benny Sudakov ยท 2026

We study the edge-expansion of the graph of a random $0/1$ polytope $P^d_p$, defined as the convex hull of a random subset of the points in $\{0,1\}^d$ where every point is retained independently and โ€ฆ

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Mathematics Preprint PDF DOI

Improving the Even-Size Threshold in Spectral Extrema for $H(4,3)$-Free Graphs

Shreyhaan Sarkar ยท 2026

For the fixed-size Brualdi--Hoffman--Turan problem forbidding the fish graph $H(4,3)$, Zheng and Zhang proved that every $H(4,3)$-free graph of even size $m \ge 38$ without isolated vertices satisfiesโ€ฆ

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AI & Data Science Preprint PDF DOI

And Quiet Does Not Flow the Don: Statistical Analysis of a Quarrel Between Nobel Prize Laureates

Nils Lid Hjort ยท 2026

The Nobel Prize in literature 1965 was awarded Mikhail Sholokhov (1905-1984), for the epic novel Tikhij Don about Cossack life and the birth of a new Soviet society (And Quiet Flows the Don, or The Quโ€ฆ

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Mathematics Preprint PDF DOI

The Steklov spectrum of convex polygonal domains II: investigating spectral determination

Emily B. Dryden, Carolyn Gordon, Javier Moreno, Julie Rowlett, Carlos Villegas-Blas ยท 2026

The extent to which the geometry of an object is determined by some associated spectral data is a longstanding problem. We investigate this problem in the context of the Steklov spectrum, focusing on โ€ฆ

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Mathematics Preprint PDF DOI

Algebraic Graph Theory

M Reza Salarian ยท 2026

This note provides an introduction to selected topics in algebraic graph theory, including strongly regular graphs, Steiner systems, and automorphism groups. We describe constructions and properties oโ€ฆ

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Mathematics Preprint PDF DOI

Trajectory-Restricted Optimization Conditions and Geometry-Aware Linear Convergence

Faris Chaudhry, Anthea Monod, Keisuke Yano ยท 2026

Linear convergence of first-order methods is typically characterized by global optimization conditions whose constants reflect worst-case geometry of the ambient space. In high-dimensional or structurโ€ฆ

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Mathematics Preprint PDF DOI

Mathematical modeling of biochemical signal propagation in many-stage enzymatic pathways

Chathranee Jayathilaka, Mark B. Flegg ยท 2026

Biochemical signalling cascades transduce extracellular stimuli into cellular responses through sequences of discrete, node-to-node activations. While signal fidelity depends critically on local interโ€ฆ

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AI & Data Science Preprint PDF DOI

A Full Compression Pipeline for Green Federated Learning in Communication-Constrained Environments

Elouan Colybes, Shirin Salehi, Anke Schmeink ยท 2026

Federated Learning (FL) enables collaborative model training across distributed clients without sharing raw data, thereby preserving privacy. However, FL often suffers from significant communication aโ€ฆ

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Chemistry Preprint PDF DOI

CovAngelo: A hybrid quantum-classical computing platform for accurate and scalable drug discovery

Linn Evenseth, Kamil Galewski, Witold Jarnicki, Piero Lafiosca, Vyom N. Patel, Grzegorz Rajchel-Mieldzioc, Martin Simka, Micha{l} Szczepanik, Emil Zak ยท 2026

We present a computational platform for modeling chemical reactions in complex molecular environments, focused on ligand-protein binding in drug discovery. The platform implements our new quantum-in-qโ€ฆ

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Mathematics Preprint PDF DOI

Random 0/1-polytopes expand rapidly

He Guo, Istvan Tomon ยท 2026

A 0/1-polytope is the convex hull of a subset $V\subseteq \{0,1\}^n$. A celebrated conjecture of Mihail and Vazirani asserts that the graph of every 0/1-polytope has edge-expansion at least 1. In thisโ€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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Computer Science Preprint PDF DOI

LITE: Lightweight Channel Gain Estimation with Reduced X-Haul CSI Signaling in O-RAN

David Goez, Marco Piazzola, Giulia Costa, Achiel Colpaert, Rodney Martinez Alonso, Esra Aycan Beyazit, Nina Slamnik-Krijestorac, Johann M. Marquez-Barja, Miguel Camelo Botero ยท 2026

Cell-Free Massive Multiple-Input Multiple-Output (CF-MaMIMO) in Open Radio Access Network (O-RAN) promises high spectral efficiency but is limited by frequent Channel State Information (CSI) exchangesโ€ฆ

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