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Physics Preprint PDF DOI

Oscillators from non-semisimple walled Brauer algebras

Sanjaye Ramgoolam, Micha{l} Studzinski · 2026

The walled Brauer algebras $B_N(m,n)$ govern Schur--Weyl duality for unitary groups $U(N)$ acting on mixed tensor spaces $V_N^{\otimes m}\otimes \overline{V}_N^{\otimes n}$ and play an important role …

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Chemistry Preprint PDF DOI

Seniority-zero Quadratic Canonical Transformation Theory

Daniel F. Calero-Osorio, Paul W. Ayers · 2026

We propose a method to solve the Schr\"odinger equation for systems with static/strong electron correlation using Hamiltonian transformations. Building on our previous work on seniority-zero canonical…

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Biology & Life Sciences Preprint PDF DOI

Analysis of DNA thermal stability across a broad range of thionine concentrations

Evgeniya Usenko, Alexander Glamazda, Vladimir Valeev, Victor Karachevtsev · 2026

Interest in studying the interaction of small molecules with DNA is caused by the need to develop new, highly effective, and low-toxic drugs for cancer treatment. The strong and highly specific bindin…

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Physics Preprint PDF DOI

Target-depth sensing with metasurface-encoder integrated optoelectronic neural network

Shuo Wang, Deyu Zhu, Chenjie Xiong, Bin Hu, Chunqi Jin, Yu Wang, Chengjun Zou · 2026

Accurate and real-time sensing of targets in three-dimensional (3D) environments is essential for modern machine vision, underpinning emerging technologies such as autonomous systems, robotic manipula…

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Mathematics Preprint PDF DOI

Invariant trace simplices and relative property (T)

Raz Slutsky · 2026

Let $\alpha\colon G\curvearrowright A$ be an action of a countable discrete group on a separable unital $C^*$-algebra. We study the simplex $\mathrm{T}(A)^G$ of $G$-invariant traces and ask when it is…

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Mathematics Preprint PDF DOI

Finite-Gap Solutions of the Pohlmeyer--Lund--Regge Equation and the Associated Curve Evolution

Yuhei Kogo · 2026

We develop a finite-gap construction for the Pohlmeyer--Lund--Regge (PLR) equation and the associated Lund--Regge curve evolution. From the hyperelliptic spectral data we build a Baker--Akhiezer funct…

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AI & Data Science Preprint PDF DOI

LatentBurst: A Fast and Efficient Multi Frame Super-Resolution for Hexadeca-Bayer Pattern CIS images

Sangwook Baek, Vin Van Duong, Karam Park, Pilkyu Park · 2026

This paper introduces a novel multi frame super-resolution network (MFSR) for burst hexadeca Bayer pattern Contact Image Sensor (CIS) images, which includes demosaicing, denoising, multi-frame fusion,…

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Physics Preprint PDF DOI

The Dependence of the Mean Spectral Energy Distributions on the Accretion Rate for Quasars with $z < 0.75$ from the Sloan Digital Sky Survey

Yan-Song Ma, Yu-Meng Guan, Jian-Xia Jiang, Shao-Jun Li, Xiang-Wei Ning, Yi Tang, Wei-Hao Bian (NJNU) · 2026

We construct mean spectral energy distributions (SEDs) for a substantial sample of 56,969 Sloan Digital Sky Survey DR16 quasars with $z < 0.75$, utilizing multiwavelength data from the mid-infrared (M…

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Computer Science Preprint PDF DOI

Polynomial Lower Bounds for Arithmetic Circuits over Non-Commutative Rings

Ran Raz · 2026

We prove a lower bound of $\Omega\left(n^{1.5}\right)$ for the number of product gates in non-commutative arithmetic circuits for an explicit $n$-variate degree-$n$ polynomial $f_{n}$ (over every fiel…

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Mathematics Preprint PDF DOI

Three-periodic helices on elliptic curves and their associated regular algebras

Daniel Chan, Adam Nyman · 2026

Let $k$ denote an algebraically closed field of characteristic zero and let $X$ denote a smooth elliptic curve over $k$. Given a three-periodic elliptic helix $\underline{\mathcal{E}}$ of vector bundl…

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Mathematics Preprint PDF DOI

A formal proof of the Sands-Sauer-Woodrow theorem using the Rocq prover and mathcomp/ssreflect

Jean-Philippe Chancelier (CERMICS) · 2026

We present a formal proof of the Sands-Sauer-Woodrow (SSW) theorem using the Rocq proof assistant and the MathComp/SSReflect library. The SSW theorem states that in a directed graph whose edges are co…

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Mathematics Preprint PDF DOI

Two New Extensions of Reider's Theorem on Algebraic Surfaces

Aaron Bertram, Jonathon Fleck, Liebo Pan, Joseph Sullivan · 2026

Reider's Theorem on the very ampleness of adjoint linear series on a complex projective algebraic surface is extended in two new directions. First, Reider-type inequalities are shown to imply nefness …

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Mathematics Preprint PDF DOI

A resolution of Erd\H{o}s Problem #190 via Erd\H{o}s-Lov\'asz, BCT, and Baker-Harman-Pintz

Ji Ho Bae · 2026

Let H(k) be the smallest N such that every finite coloring of [N] contains a monochromatic or rainbow k-term arithmetic progression. Erd\H{o}s and Graham asked whether $H(k)^{1/k}/k \to \infty$ (Probl…

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Mathematics Preprint PDF DOI

Sutured manifold hierarchies and the Thurston nom

Alessandro V. Cigna · 2026

Classical work of Thurston and Gabai shows that finitely many taut sutured manifold hierarchies determine the Thurston norm of a compact oriented irreducible $3$-manifold with toroidal boundary. We gi…

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Biology & Life Sciences Preprint PDF DOI

Distinct Structural Dynamics of the Semiquinone State Define a Signalling Pathway in Avian Cryptochrome

Monika Kish, Suchitra Pradhan, Jessica L. Ramsay, Paloma Munguia Salazar, Jonathan Phillips, Daniel R. Kattnig · 2026

The light-dependent magnetic compass of night-migratory songbirds is widely hypothesized to rely on the radical pair mechanism within retinal cryptochrome. However, bridging the mechanistic gap betwee…

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Mathematics Preprint PDF DOI

The Dehn-Nielsen-Baer Theorem for Bounded Surfaces

Elysia Wang · 2026

Let $\Sigma$ be a bounded surface. We prove the Dehn-Nielsen-Baer theorem for bounded surfaces to show that the mapping class group of $\Sigma$ is isomorphic to the automorphisms of the fundamental gr…

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Mathematics Preprint PDF DOI

Solvable Descent and the Grunwald Problem for Solvable Groups

Julian L. Demeio · 2026

We prove a suitable fibration theorem over quasi-trivial tori that, through an approach developed by Harpaz and Wittenberg, implies so-called solvable descent. In particular, this gives a positive ans…

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Computer Science Preprint PDF DOI

FliX: Flipped-Indexing for Scalable GPU Queries and Updates

Rosina Kharal, Trevor Brown, Justus Henneberg, Felix Schuhknecht · 2026

GPU-based concurrent data structures (CDSs) achieve high throughput for read-only queries, but efficient support for dynamic updates on fully GPU-resident data remains challenging. Ordered CDSs (e.g.,…

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Computer Science Preprint PDF DOI

Intent Propagation Contrastive Collaborative Filtering

Haojie Li, Junwei Du, Guanfeng Liu, Feng Jiang, Yan Wang, Xiaofang Zhou · 2026

Disentanglement techniques used in collaborative filtering uncover interaction intents between nodes, improving the interpretability of node representations and enhancing recommendation performance. H…

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Mathematics Preprint PDF DOI

The decompressed tree size of $k$-ary chains

Michael Wallner · 2026

A chain is defined as a directed acyclic graph (DAG) with one source and one sink, where the children are ordered and the spanning tree computed using a depth-first search is a path. Such DAGs emerge …

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