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Mathematics Preprint PDF DOI

Fillable structures on negative-definite Seifert fibred spaces

Alberto Cavallo, Irena Matkovic · 2026

We classify fillable contact structures on all negative-definite star-shaped plumbings. Along the way, we show that such Seifert fibred spaces admit a unique negative maximal twisting number, and comp…

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Mathematics Preprint PDF DOI

Heegaard Floer homology and maximal twisting numbers

Alberto Cavallo, Irena Matkovic · 2026

We adapt the Ozsv\'ath-Szab\'o full path algorithm to every star-shaped graph and establish a correspondence between negative-twisting tight contact structures on any Seifert fibred space over $S^2$, …

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Physics Preprint PDF DOI

Chiral Symmetry and Its Restoration in QCD

Teiji Kunihiro · 2026

Starting with describing the Dirac equation in an unconventional manner, we introduce the notion of chirality and show how chiralities are mixed in the massive Dirac particles.Then we discuss the appr…

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Physics Preprint PDF DOI

Digital Simulation of Non-Hermitian Knotted Bands on Quantum Hardware

Truman Yu Ng, Yuzhu Wang, Wei Jie Chan, Ruizhe Shen, Tianqi Chen, Ching Hua Lee · 2026

Knots and links represent a fundamental motif of non-local connectivity that permeates the physical sciences from string theory to protein folds. While spectral braiding has been explored in two-band …

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Mathematics Preprint PDF DOI

Estimating the tail index of Pareto-type distributions from geometric records

Martin Alcalde, Raul Gouet, Miguel Lafuente, F. Javier Lopez, Gerardo Sanz · 2026

In this paper we develop a novel inferential approach based on geometric records for estimating the tail index of heavy-tailed distributions. We construct a maximum likelihood estimator for the Pareto…

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Economics & Finance Preprint PDF DOI

A Volume-Price-Adjusted MACD Trading Strategy with Sensitivity Calibration for U.S. Equity Indices

Luyun Lin, Lixing Lin, Zhen Zhang, Moxuan Zheng, Yiqing Wang · 2026

Traditional moving average convergence divergence (MACD) trading rules are often constrained by signal lag and susceptibility to false signals. To address these limitations, this study develops a volu…

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Physics Preprint PDF DOI

Excluded volume and molecular field in the Lennard-Jones fluid: a modified first-order perturbation theory

A. Trokhymchuk, V. Hordiichuk, R. Melnyk, I. Nezbeda · 2026

The equation of state and, more generally, the thermodynamics of the Lennard-Jones fluid have long served as a benchmark problem in the statistical theory of fluids. Among available theoretical approa…

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Physics Preprint PDF DOI

Operating a contextual Stern-Gerlach apparatus

Th. K. Mavrogordatos · 2026

We propose a contextual cavity/circuit QED analogue and extension of the Stern-Gerlach experiment, where the pseudo-spin of a two-state `atomic' transition plays the role of the ``spin'', while the re…

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Physics Preprint PDF DOI

Mass spectra of charged mesons and the quenching of vector meson condensation via exact phase-space diagonalization

Jingyi Chao, Kun Xu · 2026

We investigate the dynamics and mass spectra of charged pseudoscalar ($\pi^+$) and vector ($\rho^+$) mesons in a background magnetic field at finite temperature using the two-flavor Nambu-Jona--Lasini…

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Engineering Preprint PDF DOI

Deep Learning-Enabled Dissolved Oxygen Sensing in Biofouling Environments for Ocean Monitoring

Nikolaos Salaris, Adrien Desjardins, Manish K. Tiwari · 2026

The escalating climate crisis and ecosystem degradation demand intelligent, low-cost sensors capable of robust, long-term monitoring in real-world environments. Absolute dissolved oxygen (DO) concentr…

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Physics Preprint PDF DOI

Synchronized molecular dynamics method for thin-layer flows of complex fluids

Shugo Yasuda, Kotaro Oda, Fumito Muragaki, Yuta Taketa, Masashi Iwayama, Tomohide Ina · 2026

We propose a multiscale computational method for thin-layer flows of complex fluids, termed the synchronized molecular dynamics (SMD) method, which directly couples local molecular dynamics (MD) simul…

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Mathematics Preprint PDF DOI

The Number of Isomorphism Classes of Beauville Surfaces with Beauville $p$-Group

Sukran Gul · 2026

A Beauville surface is a rigid complex surface of general type, isogenous to a higher product by the free action of a finite group $G$, called a Beauville group. In \cite{GT}, Gonz\'alez-Diez and Torr…

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Physics Preprint PDF DOI

LStein: A new approach to visualizing sparse 2.5-dimensional data

Lukas Steinwender, Anais Moller, Christopher J. Fluke · 2026

Visualization of high-dimensional data is crucial to retrieve all the knowledge that is contained within a dataset. Effective and informative presentation of three-dimensional data via a two-dimension…

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Mathematics Preprint PDF DOI

Laplace Transform driven Stein-type Goodness-of-fit Tests for Pareto Distribution

Deepesh Bhati, Sakshi Khandelwal · 2026

The Pareto distribution plays a crucial role in various disciplines, necessitating robust goodness-of-fit tests for its validation. This article introduces a novel tests based on Stein's characterizat…

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Physics Preprint PDF DOI

QCD vacuum pressure and its influence on the equation of state of non-strange quark stars

Cheng-Ming Li, Guang-Hao Yu, Ya-Peng Zhao, Zhibin Li, Jin-Li Zhang, Yong-Liang Ma, Yong-Feng Huang · 2026

Solutions of the quark gap equation and the corresponding vacuum pressure are investigated within a modified Nambu-Jona-Lasinio model, which is a basic issue for studying the QCD equation of state (EO…

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Engineering Preprint PDF DOI

Sampling-Based Safety Filter with Probabilistic Restrictiveness Guarantee

Junyoung Park, Hyeontae Sung, Heejin Ahn · 2026

Ensuring safety is a critical requirement for autonomous systems, yet providing formal guarantees for nominal controllers remains a significant challenge. In this paper, we propose a modular sampling-…

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Physics Preprint PDF DOI

Dilepton Production as a Probe of Pion Condensation in Hot and Dense QCD Matter

Aritra Bandyopadhyay, Chowdhury Aminul Islam, Krzysztof Redlich, Chihiro Sasaki · 2026

We investigate dilepton production from an isospin-asymmetric hot and dense medium in order to explore the role of isospin imbalance in electromagnetic spectral properties. We focus in particular on m…

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AI & Data Science Preprint PDF DOI

Data Integration for Estimating Subgroup-Specific Conditional Average Treatment Effects (CATEs) Using Coarsened External Information in Randomized Trials

Youqi Yang, Walter Dempsey, Bhramar Mukherjee · 2026

Randomized controlled trials (RCTs) are often underpowered to detect treatment heterogeneity in subgroups defined by cross-classifications of multiple covariates, due to sparse sample sizes in some st…

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Physics Preprint PDF DOI

Quantum Correlations in Classical Systems

Ghenadie N. Mardari · 2026

A classical fluid splitter produces the same patterns of energy redistribution as a Stern-Gerlach quantum device, with rotationally invariant coefficients of correlation between molecular paths. Alter…

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Mathematics Preprint PDF DOI

Phase Transitions in the Fluctuations of Functionals of Random Neural Networks

Simmaco Di Lillo, Leonardo Maini, Domenico Marinucci · 2026

We establish central and non-central limit theorems for sequences of functionals of the Gaussian output of an infinitely-wide random neural network on the d-dimensional sphere . We show that the asymp…

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