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AI & Data Science Preprint PDF DOI

Bayesian X-Learner: Calibrated Posterior Inference for Heterogeneous Treatment Effects under Heavy-Tailed Outcomes

Eichi Uehara · 2026

Conditional Average Treatment Effect (CATE) estimation in practice demands three properties simultaneously: heterogeneous effects $\tau(x)$, calibrated uncertainty over them, and robustness to the hea…

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Physics Preprint PDF DOI

Tuning of quantum nanoscaled friction within the Prandtl-Tomlinson model

Dai-Nam Le, Lilia M. Woods · 2026

Nanoscaled friction is a fundamental tribological phenomenon with complex behavior of its dynamical force. Here, we utilize the Prandtl-Tomlinson framework to investigate systematically the different …

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Mathematics Preprint PDF DOI

A generalized infinite quantum Ramsey theorem for operator systems

Jose G. Mijares · 2026

We prove a generalization of the infinite quantum Ramsey theorem of Kennedy et al. (arXiv:1711.09526), showing that it follows from an archetypical "selective" pattern satisfied by certain families of…

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Mathematics Preprint PDF DOI

Almost-sharp $O(k^{-1} \log k)$ convergence rate for the Sinkhorn algorithm in the asymptotically scalable case

Guillaume Wang · 2026

We prove that the Sinkhorn algorithm converges at a rate of $O(k^{-1} \log k)$ in $\ell_1$-norm marginal error, in the asymptotically scalable case. This almost closes the gap between the lower bound …

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Computer Science Preprint PDF DOI

#MakeBeefGreatAgain: A Cross-Platform Analysis of Early #MAHA Discourse

Haoning Xue, Yue Li, Benjamin A. Lyons, Andy J. King · 2026

Make America Healthy Again (MAHA) is a health-related campaign slogan proposed by Robert F. Kennedy Jr. and later incorporated into the political coalition of President Trump. While #MAHA quickly circ…

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Physics Preprint PDF DOI

Decoherence Mitigation with Local NOT Gates in Multipartite Systems

Venkat Abhignan, Raghav Sundararaman, Shriram Pragash M, R. Srikanth, Ashutosh Singh · 2026

We study the entanglement dynamics of $n=2,3,4$-qubit Bell- and GHZ-type states under an amplitude-damping channel (ADC). We quantify multipartite entanglement using the genuine multipartite concurren…

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Mathematics Preprint PDF DOI

A continuum of K\"unneth theorems for persistence modules

Nikola Milicevic · 2026

We develop new aspects of the homological algebra theory for persistence modules, in both the one-parameter and multi-parameter settings. For a poset $P$ and an order preserving map $\varphi:P\times P…

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Mathematics Preprint PDF DOI

Greedy Routing in a Sequentially Grown One-Dimensional Random Graph

Alexander Ponomarenko · 2026

We analyze greedy routing in a random graph G_n constructed on the vertex set V = {1, 2, ..., n} embedded in Z. Vertices are inserted according to a uniform random permutation pi, and each newly inser…

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Physics Preprint PDF DOI

Electrochemical reactions under reverse bias create additional mobile ions that enable hole tunneling in metal halide perovskite diodes

Kell Fremouw, Ryan A. DeCrescent, Xianfu Zhang, Yi Yang, Bin Chen, Daniel A. Morales Jr, Matteo R. S. Poma, Kelly Schutt, Fangyuan Jiang, Edward H. Sargent, Neal R. Armstrong, David S. Ginger, Joseph M. Luther, Michael D. McGehee · 2026

Gradual reverse-bias breakdown in metal-halide perovskite diodes and solar cells is thought to originate from hole tunneling through steep bands in an ionic depletion region near the electron transpor…

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Mathematics Preprint PDF DOI

$C^*$-simplicity, confined subalgebras, and operator algebraic uniform recurrence

Tattwamasi Amrutam, Yongle Jiang · 2026

We introduce the notion of confined subalgebras in the context of the group von Neumann algebra. We also define Uniformly Recurrent States -- an operator-algebraic analog of Uniformly Recurrent Subgro…

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Physics Preprint PDF DOI

Classically Forbidden Signatures of Quantum Coherence in the Mesoscopic Lipkin-Meshkov-Glick Model

Stavros Mouslopoulos · 2026

We derive strict quantitative conditions under which a collective quantum system of N~370 spins exhibits classically forbidden temporal correlations in a spinor Bose-Einstein condensate (BEC). The Lip…

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Engineering Preprint PDF DOI

Bird-Inspired Spatial Flapping Wing Mechanism via Coupled Linkages with Single Actuator

Daniel Huczala, Sun-Pill Jung, Frank C. Park · 2026

Spatial single-loop mechanisms such as Bennett linkages offer a unique combination of one-degree-of-freedom actuation and nontrivial spatial trajectories, making them attractive for lightweight bio-in…

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Physics Preprint PDF DOI

From Paper to Program: Accelerating Quantum Many-Body Algorithm Development via a Multi-Stage LLM-Assisted Workflow

Yi Zhou · 2026

Large language models (LLMs) can generate code rapidly but remain unreliable for scientific algorithms whose correctness depends on structural assumptions rarely explicit in the source literature. We …

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Physics Preprint PDF DOI

Exceptionally Slow Relaxation from Micro-canonical to Canonical Ensembles in Quasi-one-dimensional Quantum Gases

Huaichuan Wang, Xixiang Du, Zhongchi Zhang, Yue Wu, Ken Deng, Zihan Zhao, Chengshu Li, Zheyu Shi, Wenlan Chen, Hui Zhai, Jiazhong Hu · 2026

Integrability in one dimension prevents quantum thermalization and gives rise to rich many-body phenomena described by generalized hydrodynamics, which have been extensively studied over the past two …

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Physics Preprint PDF DOI

A Solid-Based Approach for Modeling Simple Yield-Stress Fluids: Rheological Transitions, Overshoot and Relaxation

Jehyeok Choi, Ju Min Kim, Kwang Soo Cho · 2026

Yield-stress fluids are ubiquitous and encountered in diverse fields ranging from natural muddy flows to industrial applications such as secondary battery electrode slurries and direct ink writing. De…

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Engineering Preprint PDF DOI

O-ConNet: Geometry-Aware End-to-End Inference of Over-Constrained Spatial Mechanisms

Haoyu Sun, Meng Zhao, Tianhao Wang, Jianxu Wu · 2026

Deep learning has shown strong potential for scientific discovery, but its ability to model macroscopic rigid-body kinematic constraints remains underexplored. We study this problem on spatial over-co…

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Physics Preprint PDF DOI

High-frequency gravitational wave transients from superradiance

Henry Su, Lucas Brown, Christopher Ewasiuk, Stefano Profumo · 2026

Ultralight bosons can form macroscopic gravitational-atom clouds around rotating black holes via superradiance, sourcing quasi-monochromatic gravitational waves through level transitions and annihilat…

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Physics Preprint PDF DOI

Interplay of Electric Dipole Spin Resonance and Multilevel Landau-Zener Interference in p-Type Silicon Quantum Dots

Sayyid Irsyadul Ibad, Yusaku Suzuki, Masahiro Tadokoro, Tokio Futaya, Shimpei Nishiyama, Kimihiko Kato, Shigenori Murakami, Takahiro Mori, Raisei Mizokuchi, Jun Yoneda, Tetsuo Kodera · 2026

In this work, we examine microwave responses of the Pauli spin blockade (PSB) leakage current through a p-type silicon double quantum dot. We observe more than the expected two resonance lines with th…

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Mathematics Preprint PDF DOI

Stationary boundaries on the space of amenable subgroups and C*-simplicity

Anna Cascioli, Martin Gilabert Vio, Eduardo Silva · 2026

We give a sufficient condition for a countable group $G$ to possess a probability measure $\mu$ that admits a non-trivial $\mu$-boundary modeled in the space $\mathrm{Sub}_{\mathrm{am}}(G)$ of amenabl…

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Physics Preprint PDF DOI

Bright Spot Characterization of Low dI/dt X-pinch Plasmas using Soft X-ray Spectroscopy with Bennett Relation

YeongHwan Choi, Muhyeop Cha, Hakmin Lee, Hsiao-Chien Chi, Seongmin Choi, Seungmin Bong, Seonghun Jeon, Ookjin Choi, Young-chul Ghim, Yong-Seok Hwang, Kyoung-Jae Chung · 2026

This study investigates the characteristics of X-pinch plasmas driven under low current rise rate ($dI/dt$) conditions using soft x-ray spectroscopy combined with the Bennett relation. X-pinch experim…

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