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Mathematics Preprint PDF DOI

Fixed points of orientation-preserving full transformation

Yang An, Wen Ting Zhang, Yi He · 2026

Let $\mathcal{OP}_n$ be the monoid of all orientation-preserving full transformations on $X_n=\{1,\dots, n\}$ with the natural order. For $\alpha \in \mathcal{OP}_n$, let $F(\alpha)=\{y\in X_n: y\alph…

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Mathematics Preprint PDF DOI

Positive and negative 3-energies of graphs

Zhengbo Chen, Zhouningxin Wang, Xiao-Dong Zhang · 2026

For a simple graph $G$ with $n$ vertices, let $A_G$ denote the adjacency matrix of $G$, and let $\lambda_1(G) \geq \lambda_2(G) \geq \dots \geq \lambda_n(G)$ be its eigenvalues. For an integer $p \geq…

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Physics Preprint PDF DOI

Microscopic investigation of $E2$ matrix elements in atomic nuclei -- II

Kouser Qureshie, S. P. Rouoof, J. A. Sheikh, N. Rather, S. Jehangir, G. H. Bhat, S. Frauendorf · 2026

The present work is a continuation of our earlier investigation with the primary objective to systematically calculate the $E2$ matrix elements using the microscopic approach of the triaxial projected…

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Computer Science Preprint PDF DOI

An Unconditional Barrier for Proving Multilinear Algebraic Branching Program Lower Bounds

Deepanshu Kush · 2026

Since the breakthrough superpolynomial multilinear formula lower bounds of Raz (Theory of Computing 2006), proving such lower bounds against multilinear algebraic branching programs (mABPs) has been a…

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Physics Preprint PDF DOI

A Covariant Phase Space Approach to Einstein-AEther Gravity

Walter Arata, Stefano Liberati, Giulio Neri · 2026

Black hole thermodynamics in Lorentz-violating gravity is subtle because different excitations propagate at different speeds and hence identify different causal horizons. We revisit Einstein--AEther g…

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Computer Science Preprint PDF DOI

Near-Optimal Bounds for Parameterized Euclidean k-means

Vincent Cohen-Addad, Karthik C. S., David Saulpic, Chris Schwiegelshohn · 2026

The $k$-means problem is a classic objective for modeling clustering in a metric space. Given a set of points in a metric space, the goal is to find $k$ representative points so as to minimize the sum…

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Engineering Preprint PDF DOI

Photogrammetry-Reconstructed 3D Head Meshes for Accessible Individual Head-Related Transfer Functions

Ludovic Pirard, Lorenzo Picinali, Katarina C. Poole · 2026

Individual head-related transfer functions (HRTFs) are essential for accurate spatial audio binaural rendering but remain difficult to obtain due to measurement complexity. This study investigates whe…

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Mathematics Preprint PDF DOI

The second moment of derivatives of quadratic twists of modular $L$-functions

Yujiao Jiang, Quanli Shen, Ziyang Tang · 2026

We prove an asymptotic formula for the second moment of the first derivative of quadratic twists of modular $L$-functions with three leading order main terms. It improves the previous result of Kumar …

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Computer Science Preprint PDF DOI

When Relaxation Does Not Help: RLDCs with Small Soundness Yield LDCs

Kuan Cheng, Xin Li, Songtao Mao · 2026

Locally decodable codes (LDCs) are error correction codes that allow recovery of any single message symbol by probing only a small number of positions from the (possibly corrupted) codeword. Relaxed l…

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AI & Data Science Preprint PDF DOI

Hyperdimensional Cross-Modal Alignment of Frozen Language and Image Models for Efficient Image Captioning

Abhishek Dalvi, Vasant Honavar · 2026

Large unimodal foundation models for vision and language encode rich semantic structures, yet aligning them typically requires computationally intensive multimodal fine-tuning. Such approaches depend …

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Computer Science Preprint PDF DOI

Two NP-hard Extensions of the Spearman Footrule even for a Small Constant Number of Voters

Martin Durand · 2026

The Spearman footrule is a voting rule that takes as input voter preferences expressed as rankings. It outputs a ranking that minimizes the sum of the absolute differences between the position of each…

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Physics Preprint PDF DOI

Axially symmetric wormholes

I. A. Sarmiento-Alvarado, Leonel Bixano, Tonatiuh Matos · 2026

In this work, we derive an exact vacuum solution to the Einstein field equations that depends on three constant parameters: the throat radius $r_0$, a parameter $q$, which is closely associated with t…

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Computer Science Preprint PDF DOI

One Color Makes All the Difference in the Tractability of Partial Coloring in Semi-Streaming

Avinandan Das · 2026

This paper investigates the semi-streaming complexity of \textit{$k$-partial coloring}, a generalization of proper graph coloring. For $k \geq 1$, a $k$-partial coloring requires that each vertex $v$ …

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Mathematics Preprint PDF DOI

Inequalities For The Growth Of Rational Functions With Prescribed Poles

N. A. Rather, Mohmmad Shafi Wani, Danish Rashid Bhat · 2026

Let $\mathcal R_{n}$ be the set of all rational functions of the type $r(z) = f(z)/w(z)$, where $f(z)$ is a polynomial of degree at most $n$ and $w(z) = \prod_{j=1}^{n}(z-\beta_j)$, $|\beta_j|>1$ for …

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Physics Preprint PDF DOI

A fresh look at boundary terms in Einstein-Hilbert gravity via an initial value variational principle

Songmin Ha, Alexander Rothkopf · 2026

A key tenet of general relativity is the dynamical nature of space-time, ideally represented as an initial value problem. Here we explore the variational formulation of classical Einstein-Hilbert grav…

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AI & Data Science Preprint PDF DOI

On the Complexity of Offline Reinforcement Learning with $Q^\star$-Approximation and Partial Coverage

Haolin Liu, Braham Snyder, Chen-Yu Wei · 2026

We study offline reinforcement learning under $Q^\star$-approximation and partial coverage, a setting that motivates practical algorithms such as Conservative $Q$-Learning (CQL; Kumar et al., 2020) bu…

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Mathematics Preprint PDF DOI

Inequalities involving polynomials and quasimodular forms

Seewoo Lee · 2026

In this paper, we study inequalities involving polynomials and quasimodular forms. More precisely, we focus on the monotonicity of the functions of the form $t \mapsto t^m F(it)$ where $F$ is a quasim…

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Physics Preprint PDF DOI

Imaging two-body correlations in atomic nuclei via low- and high-energy processes

Stavros Bofos, Benjamin Bally, Thomas Duguet, Mikael Frosini · 2026

Characterizing the correlated behavior of nucleons inside atomic nuclei constitutes a long-standing challenge, both experimentally and theoretically. It has recently been understood that two-particle …

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Physics Preprint PDF DOI

Spectral moments of Bures-Hall ensemble and applications to entanglement entropy

Linfeng Wei, Youyi Huang, Lu Wei · 2026

We study spectral moments of the Bures-Hall random matrices ensemble. The main result establishes a recurrence relation for the $k$-th spectral moment valid for a real-valued $k$, in contrast to preva…

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Computer Science Preprint PDF DOI

QEIL v2: Heterogeneous Computing for Edge Intelligence via Roofline-Derived Pareto-Optimal Energy Modeling and Multi-Objective Orchestration

Satyam Kumar, Saurabh Jha · 2026

Deploying large language models (LLMs) on heterogeneous edge devices demands frameworks that jointly optimize energy efficiency, inference quality, and reliability. Our prior QEIL v1 (Kumar & Jha, 202…

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