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Mathematics Preprint PDF DOI

Man, Machine, and Mathematics

Akshunna S. Dogra · 2026

Nonlinear models and optimization methods have successfully tackled a rapidly growing set of problems in recent years. Indeed, a relatively small toolbox of such models and methods can provide suffici…

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Chemistry Preprint PDF DOI

Effect of reaction temperature on nascent carbonaceous particles from toluene shock-tube pyrolysis: Insights from FTIR and Raman spectroscopy

Meysam K. Rezaeian, Can Shao, Jurgen Herzler, Mustapha Fikri, Greg J. Smallwood, Christof Schulz · 2026

The transition from gaseous precursors to nascent solid particles and their subsequent structural maturation were investigated in single-pulse shock-tube experiments using ex situ Fourier-transform in…

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Mathematics Preprint PDF DOI

Median-of-Means for Nash Equilibrium Seeking in Heavy-Tailed Games

Chao Sun, Bo Chen, Jianzheng Wang, Zheming Wang, Li Yu · 2026

This paper studies the Nash equilibrium seeking problem for stochastic games under heavy-tailed noise. The gradient noise is considered to have a finite $\delta$-th moment ($1<\delta\le 2$), which gen…

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Physics Preprint PDF DOI

Raman Characterization of Two-Dimensional Quasiperiodic Antiferromagnets on Various Lattices: Spin-Orbit Mechanism

Takashi Inoue, Shoji Yamamoto · 2026

We study first-order (single-magnon) inelastic light scatterings in spin-$\frac{1}{2}$ two-dimensional quasiperiodic antiferromagnets in comparison with those emergent on periodic lattices. Unlike sec…

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Physics Preprint PDF DOI

Second Harmonic Generation Through Backward Raman Scattering in Magnetized Plasmas Driven by Circularly Polarized Intense Lasers

S. S. Ghaffari-Oskooei, A. A. Molavi Choobini · 2026

A fluid-based theoretical framework is developed to describe the nonlinear cascade linking primary BRS-driven plasma wave amplification, oscillating two-stream instability (OTSI), nonlinear current ge…

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Computer Science Preprint PDF DOI

Author response to commentaries on H is for Human and How (Not) to Evaluate Qualitative Research in HCI

Andy Crabtree · 2026

This is the authors response to commentaries on the original article H is for Human and How (Not) to Evaluate Qualitative Research in HCI, https://doi.org/10.1080/07370024.2025.2475743 Commentaries we…

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Mathematics Preprint PDF DOI

A rational model for the fiberwise THH transfer II: $A_\infty$-algebras

Florian Naef, Robin Stoll · 2026

In Part I, we proved that a rational model for the fiberwise THH transfer of a map $f$ of fibrations over a base space is given by the Hochschild homology transfer of a cdga model of $f$. In this pape…

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Sociology & Anthropology Preprint PDF DOI

No one likes it hot, but hotter cities adjust by staying active later

Andrew Renninger, Till Koebe, Ingmar Weber · 2026

Extreme heat suppresses urban activity, but its effects need not be uniform across climates or across the day. Using data on activity at points of interest in 20 cities spanning temperate, tropical, a…

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Mathematics Preprint PDF DOI

$H^\infty$--functional calculus for generators of semigroups that admit lower bounds

Benhard H. Haak, Peer Chr. Kunstmann · 2026

We study $C_0$-semigroups on UMD Banach spaces under the assumption that a single semigroup operator admits a lower bound. We establish boundedness of $H^\infty$ functional calculi for the negative ge…

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Physics Preprint PDF DOI

Dichroic Raman probes for chiral edge modes

Avedis Neehus, Johannes Knolle · 2026

The identification and manipulation of charge-neutral fractionalized quasi-particles, in particular chiral edge modes (CEM), is a long-standing quest in physics. Remarkably, the microscopically mediat…

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Chemistry Preprint PDF DOI

Broadband impulsive stimulated Raman spectroscopy reveals electronic state-specific vibronic coupling and vibrational coherence transfer through nonadiabatic electronic coupling

Ramandeep Kaur, Shaina Dhamija, Garima Bhutani, Amit Kumar, Arijit K. De · 2026

Vibrational wavepacket dynamics in the ground (X) and excited (B) electronic states of iodine under impulsive-pump/broadband-probe excitation are revisited. A method for accurate chirp correction, nec…

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AI & Data Science Preprint PDF DOI

A Brain-Inspired Deep Separation Network for Single Channel Raman Spectra Unmixing

Gaoruishu Long, Jinchao Liu, Bo Liu, Jie Liu, Xiaolin Hu · 2026

Raman spectra obtained in real world applications are often a noisy combination of several spectra of various substances in a tested sample. Unmixing such spectra into individual components correspond…

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Mathematics Preprint PDF DOI

A central limit theorem for the signatures of 2-bridge knots

Cody Baker, Moshe Cohen, Henry Dam, Rebecca Felber, Neal Madras, Ritvik Saha, Daisy Thackrah · 2026

Cohen, Lowrance, Madras, and Raanes computed the average (absolute value of) signature over all 2-bridge knots with crossing number $c$ by introducing the number $s(c,\sigma)$ of 2-bridge knots of cro…

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Physics Preprint PDF DOI

Two-Way Feedback Mechanisms between the Madden-Julian Oscillation and Mesoscale Convective Systems

Haobo Yang, Qiu Yang · 2026

The Madden-Julian Oscillation (MJO) is a planetary-scale convective system characterized by large-scale envelopes of enhanced and suppressed convection that contain numerous mesoscale convective syste…

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Engineering Preprint PDF DOI

Onboard Wind Estimation for Small UAVs Equipped with Low-Cost Sensors: An Aerodynamic Model-Integrated Filtering Approach

Bingchen Cheng, Tielin Ma, Jingcheng Fu, Lulu Tao, Tianhui Guo · 2026

To enable autonomous wind estimation for energy-efficient flight in small unmanned aerial vehicles (UAVs), this study proposes a method that estimates flight states and wind using only the low-cost es…

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Physics Preprint PDF DOI

Stripping Symmetry: Electrochemical Oxidation to a Superconducting Polar Metal in Au2Pb0.914P2

Scott B. Lee, Stephanie R. Dulovic, Joseph W. Stiles, Xin Zhang, Fatmagul Katmer, Sudipta Chatterjee, Jaime Moya, Allana G. Iwanicki, Abby N. Neill, Chris Lygouras, Tieyan Chang, Tyrel M. McQueen, Yu-Sheng Chen, Leslie M. Schoop · 2026

Polar metals and noncentrosymmetric superconductors are exceptionally rare, yet their broken inversion symmetry can give rise to emergent electronic phenomena including mixed singlet-triplet supercond…

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Mathematics Preprint PDF DOI

Horospherical Depth and Busemann Median on Hadamard Manifolds

Yangdi Jiang, Xiaotian Chang, Cyrus Mostajeran · 2026

\We introduce the horospherical depth, an intrinsic notion of statistical depth on Hadamard manifolds, and define the Busemann median as the set of its maximizers. The construction exploits the fact t…

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AI & Data Science Preprint PDF DOI

Extending One-Step Image Generation from Class Labels to Text via Discriminative Text Representation

Chenxi Zhao, Chen Zhu, Xiaokun Feng, Aiming Hao, Jiashu Zhu, Jiachen Lei, Jiahong Wu, Xiangxiang Chu, Jufeng Yang · 2026

Few-step generation has been a long-standing goal, with recent one-step generation methods exemplified by MeanFlow achieving remarkable results. Existing research on MeanFlow primarily focuses on clas…

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Physics Preprint PDF DOI

Polarized light Raman scattering by an atom near an ultrathin periodically aligned carbon nanotube film

SK Firoz Islam, Michael Dean Pugh, Igor V. Bondarev · 2026

We present a systematic theoretical study of the Raman scattering effect for a two-level atomic system in near proximity of an ultrathin dielectric film with an embedded parallel array of periodically…

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Physics Preprint PDF DOI

Unraveling the significance of Raman modes, Gruneisen parameters and phonon lifetimes in the hexagonal allotropes of Silicon and Germanium compounds

Lekshmi S M, Upasana Agrawal, Akarsh Jain, Siddharth Sastri, Suvadip Das · 2026

Advancement in quantum information and quantum technologies has ushered in a new era of technological revolution in large scale atomistic simulation and efficient system on a chip device fabrication. …

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