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Mathematics Preprint PDF DOI

Non-symmetrically $t$-affine functions revisited

Tibor Kiss, Dora Koroknai · 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),\q…

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Mathematics Preprint PDF DOI

Counterexamples to an Extremal Conjecture for Random Cycle-Factors

Rishikesh Gajjala · 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 …

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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 · 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), immersive…

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Mathematics Preprint PDF DOI

Lusztig constants and endoscopy

Wille Liu, Wei-Hsuan Hsin, Cheng-Chiang Tsai · 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 i…

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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 · 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 …

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Computer Science Preprint PDF DOI

Audio Spoof Detection with GaborNet

Waldek Maciejko · 2026

An direction of development in the extraction of features from audio signals is based on processing raw samples in the time domain. Such an approach appears to be effective, especially in the era of n…

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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 · 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 Qu…

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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 · 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 …

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Mathematics Preprint PDF DOI

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

Chathranee Jayathilaka, Mark B. Flegg · 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 inter…

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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 · 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-q…

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Mathematics Preprint PDF DOI

Random 0/1-polytopes expand rapidly

He Guo, Istvan Tomon · 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 this…

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Biology & Life Sciences Preprint PDF DOI

Cluster-First Labelling: An Automated Pipeline for Segmentation and Morphological Clustering in Histology Whole Slide Images

Muhammad Haseeb Ahmad, Sharmila Rajendran, Damion Young, Jon Mason · 2026

Labelling tissue components in histology whole slide images (WSIs) is prohibitively labour-intensive: a single slide may contain tens of thousands of structures--cells, nuclei, and other morphological…

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Mathematics Preprint PDF DOI

Sharp threshold for reconstructing points on the line

Georgii Zakharov · 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 $U \subseteq V$ {\emp…

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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 · 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) exchanges…

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Mathematics Preprint PDF DOI

On the Structure of Asymptotic Space of the Lobachevsky Plane

Alexander Shnirelman · 2026

The notion of asymptotic space for an unbounded metric space has been introduced by Micha Gromov in 1980s. It is intended to capture the structure of a metric space at infinity. The most comprehensive…

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Computer Science Preprint PDF DOI

PAC learning PDFA from data streams

Robert Baumgartner, Sicco Verwer · 2026

This is an extended version of our publication Learning state machines from data streams: A generic strategy and an improved heuristic, International Conference on Grammatical Inference (ICGI) 2023, R…

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Mathematics Preprint PDF DOI

Compact Runge-Kutta flux reconstruction methods with entropy and/or kinetic energy preserving fluxes

Arpit Babbar, Qifan Chen, Hendrik Ranocha · 2026

Compact Runge-Kutta (cRK) methods are a class of high order methods for solving hyperbolic conservation laws characterized by their compact stencil including only immediate neighboring finite elements…

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Mathematics Preprint PDF DOI

Makkai's lost proof of projectivity of N in the free topos

Henrik Forssell, Peter LeFanu Lumsdaine, Andrew W. Swan · 2026

We give a categorical proof of the projectivity of $N$ in the free topos -- in proof-theoretic terms, the rule of countable choice for intuitionistic higher-order logic -- based on the unpublished pro…

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Mathematics Preprint PDF DOI

Invariant idempotent $\ast$-measures for generalized iterated function systems

Natalia Mazurenko, Mykhailo Zarichnyi · 2026

The notion of $\ast$-measure on a compact Hausdorff space can be defined for arbitrary continuous triangular norm $\ast$. The well-known Hutchinson-Barnsley theory deals with the iterated function sys…

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Mathematics Preprint PDF DOI

Multitype PCR branching processes

P. Chigansky, F. Klebaner, M. Mrksa, S. Sagitov · 2026

To model amplification Polymerase Chain Reaction (PCR) techniques targeting DNA sequences of several types, we introduce a multitype PCR branching process as a generalized version of the Michaelis-Men…

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