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We establish a version of Kashiwara's theorem for twisted sheaves of Berthelot's arithmetic differential operators for a closed immersion between smooth p-adic formal schemes. As an application, we construct simple modules for crystalline…

Algebraic Geometry · Mathematics 2021-06-09 Christine Huyghe , Tobias Schmidt

We present a prototype of an automatic page turning system that works directly on real scores, i.e., sheet images, without any symbolic representation. Our system is based on a multi-modal neural network architecture that observes a…

Sound · Computer Science 2021-11-15 Florian Henkel , Stephanie Schwaiger , Gerhard Widmer

We present a bijective proof of the hook-length formula for shifted standard tableaux of a fixed shape based on a modified jeu de taquin and the ideas of the bijective proof of the hook-length formula for ordinary standard tableaux by…

Combinatorics · Mathematics 2007-05-23 Ilse Fischer

We provide an explicit description of symplectic leaves of a simply connected connected semisimple complex Lie group equipped with the standard Poisson-Lie structure. This sharpens previously known descriptions of the symplectic leaves as…

Quantum Algebra · Mathematics 2007-05-23 Mikhail Kogan , Andrei Zelevinsky

In arXiv:2306.07329 we established a connection between symplectic cuts of Calabi-Yau threefolds and open topological strings, and used this to introduce an equivariant deformation of the disk potential of toric branes. In this paper we…

High Energy Physics - Theory · Physics 2025-04-09 Luca Cassia , Pietro Longhi , Maxim Zabzine

We develop Chebyshev symplectic methods based on Chebyshev orthogonal polynomials of the first and second kind separately in this paper. Such type of symplectic methods can be conveniently constructed with the newly-built theory of weighted…

Numerical Analysis · Mathematics 2025-07-23 Wensheng Tang

We conjecture an exact formula for the Kontsevich integral of the unknot, and also conjecture a formula (also conjectured independently by Deligne) for the relation between the two natural products on the space of Chinese characters. The…

q-alg · Mathematics 2008-02-03 Dror Bar-Natan , Stavros Garoufalidis , Lev Rozansky , Dylan P. Thurston

Recently, Ishiwata, Kawabi and Kotani [2] proved two kinds of central limit theorems for non-symmetric random walks on crystal lattices from the view point of discrete geometric analysis. In the present paper, we obtain yet another kind of…

Probability · Mathematics 2021-08-17 Ryuya Namba

We describe a new way to relate an acyclic, skew-symmetrizable cluster algebra to the representation theory of a finite dimensional hereditary algebra. This approach is designed to explain the c-vectors of the cluster algebra. We obtain a…

Representation Theory · Mathematics 2012-03-02 David Speyer , Hugh Thomas

In this paper, we introduce game-theoretic semantics (GTS) for Qualitative Choice Logic (QCL), which, in order to express preferences, extends classical propositional logic with an additional connective called ordered disjunction. Firstly,…

Logic in Computer Science · Computer Science 2022-09-28 Robert Freiman , Michael Bernreiter

We give a counting formula for the set of rectangular increasing tableaux in terms of generalized Narayana numbers. We define small $m$-Schr\"oder paths and give a bijection between the set of increasing rectangular tableaux and small…

Combinatorics · Mathematics 2018-08-20 Timothy Pressey , Anna Stokke , Terry Visentin

We study quadratic Lie algebras over a field K of null characteristic which admit, at the same time, a symplectic structure. We see that if K is algebraically closed every such Lie algebra may be constructed as the T*-extension of a…

Rings and Algebras · Mathematics 2007-05-23 I. Bajo , S. Benayadi , A. Medina

It has been known for a long time that Ext's between IC-sheaves may often be expressed in terms of Hom's between cohomology groups. We prove a more general result under weaker assumptions. The result is used to describe the action of the…

Representation Theory · Mathematics 2025-08-26 Victor Ginzburg

There are several approaches for using computers in deriving mathematical proofs. For their illustration, we provide an in-depth study of using computer support for proving one complex combinatorial conjecture -- correctness of a strategy…

Logic in Computer Science · Computer Science 2023-06-22 Predrag Janičić , Filip Marić , Marko Maliković

Symplectic quantization is a functional approach to quantum field theory that allows sampling of quantum fluctuations directly in Minkowski space-time by means of a generalized microcanonical ensemble similar to the one of the standard…

High Energy Physics - Theory · Physics 2026-05-26 Martina Giachello , Francesco Scardino , Giacomo Gradenigo

A celebrated theorem in Real Algebraic and Analytic Geometry (originally due to Bruhat-Cartan and Wallace and stated later in its current form by Milnor) is the (Nash) curve selection lemma. It states that each point in the closure of a…

Algebraic Geometry · Mathematics 2025-04-07 José F. Fernando

The Mikami-Weinstein theorem is a generalization of the classical Marsden-Weinstein-Meyer symplectic reduction theorem to the case of symplectic groupoid actions. In this paper, we introduce the notion of a cosymplectic groupoid action on a…

Symplectic Geometry · Mathematics 2025-08-19 Shuhei Yonehara

A crucial lemma on module theory is Nakayama's lemma \cite{AF}. In this article, we shall investigate some forms of Nakayama's lemma in the category of right acts over a given monoid $S$ with identity 1. More precisely, among other things,…

Group Theory · Mathematics 2014-01-13 Kamal Ahmadi , Ali Madanshekaf

Let $(\bar{M}, \omega)$ be a compact symplectic manifold with convex boundary and $c_1(T\bar{M})=0$. Suppose that $(\bar{M}, \omega)$ is equipped with a convex Hamiltonian $G$-action for some connected, compact Lie group $G$. We construct…

Symplectic Geometry · Mathematics 2026-02-25 Eduardo Gonzalez , Cheuk Yu Mak , Daniel Pomerleano

We study Type C $K$-Stanley symmetric functions, which are $K$-theoretic extensions of the Type C Stanley symmetric functions. They are indexed by signed permutations and can be used to enumerate reduced words via their expansion into Schur…

Combinatorics · Mathematics 2025-03-24 Joshua Arroyo , Zachary Hamaker , Graham Hawkes , Jianping Pan
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