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In this paper we introduce a class of polygonal complexes for which we can define a notion of sectional combinatorial curvature. These complexes can be viewed as generalizations of 2-dimensional Euclidean and hyperbolic buildings. We focus…

Metric Geometry · Mathematics 2014-07-16 Matthias Keller , Norbert Peyerimhoff , Felix Pogorzelski

We provide a general sufficient condition for extendability of quasimorphisms on subgroups. This condition recovers the result of Hull--Osin on quasimorphisms on hyperbolically embedded subgroups, and the proof given in this paper is much…

Group Theory · Mathematics 2025-12-16 Bingxue Tao

A theorem due to Tokuyama expresses Schur polynomials in terms of Gelfand-Tsetlin patterns, providing a deformation of the Weyl character formula and two other classical results, Stanley's formula for the Schur $q$-polynomials and Gelfand's…

Combinatorics · Mathematics 2014-09-26 Vineet Gupta , Uma Roy , Roger Van Peski

Motivated by the work of J. S\'andor [19], in this paper we establish a new Wilker type and Huygens type inequalities involving the trigonometric and hyperbolic functions. Moreover, in terms of hyperbolic functions, the upper and lower…

General Mathematics · Mathematics 2024-04-08 Yogesh J. Bagul , Ramkrishna M. Dhaigude , Barkat A. Bhayo , Vinay M. Raut

Inequalities among symmetric polynomial functions are fundamental questions in mathematics and have various applications in science and engineering. This paper investigates a beautiful and inspiring conjecture, proposed by Cuttler, Greene…

Combinatorics · Mathematics 2025-05-14 Jia Xu , Yong Yao

In this paper, we study the symmetric hyperbolic Schr\"{o}dinger equations in the periodic setting. First, we prove full range Strichartz estimates on general tori by adapting Bourgain's major arc method. The result is sharp for rational…

Analysis of PDEs · Mathematics 2026-04-02 Baoping Liu , Xu Zheng

We prove an invariant Harnack's inequality for operators in non-divergence form structured on Heisenberg vector fields when the coefficient matrix is uniformly positive definite, continuous, and symplectic. The method consists in…

Analysis of PDEs · Mathematics 2017-06-01 Farhan Abedin , Cristian E. Gutiérrez , Giulio Tralli

Though Adams and Hardy-Adams inequalities can be extended to general symmetric spaces of noncompact type fairly straightforwardly by following closely the systematic approach developed in our early works on real and complex hyperbolic…

Classical Analysis and ODEs · Mathematics 2021-06-14 Joshua Flynn , Guozhen Lu , Qiaohua Yang

We show that symmetric polynomials previously introduced by the author satisfy a certain differential equation. After a change of variables, it can be written as a non-stationary Schr\"odinger equation with elliptic potential, which is…

Mathematical Physics · Physics 2014-06-16 Hjalmar Rosengren

Let $K$ be a field with characteristic different from 2 and let $S$ be a symbol algebra over $K$. We compute the symmetric powers of hyperbolic quadratic forms over $K$. Also, we compute the symmetric powers of the quadratic trace form of…

Rings and Algebras · Mathematics 2013-07-31 Ronan Flatley

We provide a framework to classify hyperbolic monopoles with continuous symmetries and find a Structure Theorem, greatly simplifying the construction of all those with spherically symmetry. In doing so, we reduce the problem of finding…

Mathematical Physics · Physics 2024-07-03 C. J. Lang

The paper consists of two parts. In the first part, by using the Gauss-Bonnet curvature, which is a natural generalization of the scalar curvature, we introduce a higher order mass, the Gauss-Bonnet-Chern mass $m^{\H}_k$, for asymptotically…

Differential Geometry · Mathematics 2013-06-19 Yuxin Ge , Guofang Wang , Jie Wu

In the present paper, we first establish and verify a new sharp hyperbolic version of the Michael-Simon inequality for mean curvatures in hyperbolic space $\mathbb{H}^{n+1}$ based on the locally constrained inverse curvature flow introduced…

Differential Geometry · Mathematics 2024-02-06 Jingshi Cui , Peibiao Zhao

Let $\{\lambda_f(n)\}_{n \geq 1}$ be the normalized Hecke eigenvalues of a given holomorphic cusp form $f$ of even weight $k$. We show under the assumption of the existence of Littlewood's type zero free region for $L(s, f, \chi)$, where…

Number Theory · Mathematics 2025-11-14 Jiseong Kim , Kunjakanan Nath

We consider the problem of realizing hyperbolicity cones as spectrahedra, i.e. as linear slices of cones of positive semidefinite matrices. The generalized Lax conjecture states that this is always possible. We use generalized Clifford…

Algebraic Geometry · Mathematics 2012-07-16 Tim Netzer , Andreas Thom

We prove that every supersymmetric Schur polynomial has a saturated Newton polytope (SNP). Our approach begins with a tableau-theoretic description of the support, which we encode as a polyhedron with a totally unimodular constraint matrix.…

Combinatorics · Mathematics 2025-08-21 Dang Tuan Hiep , Khai-Hoan Nguyen-Dang

We prove the convergence of hyperbolic approximations for several classes of higher-order PDEs, including the Benjamin-Bona-Mahony, Korteweg-de Vries, Gardner, Kawahara, and Kuramoto-Sivashinsky equations, provided a smooth solution of the…

Numerical Analysis · Mathematics 2026-03-06 Jan Giesselmann , Hendrik Ranocha

A linear principal minor polynomial or lpm polynomial is a linear combination of principal minors of a symmetric matrix. By restricting to the diagonal, lpm polynomials are in bijection to multiaffine polynomials. We show that this…

Algebraic Geometry · Mathematics 2024-07-22 Grigoriy Blekherman , Mario Kummer , Raman Sanyal , Kevin Shu , Shengding Sun

In this paper, we introduce a family of symmetric polynomials by specializing the factorial Schur polynomials. These polynomials represent the weighted Schubert classes of the cohomology of the weighted Grassmannian introduced by…

Combinatorics · Mathematics 2015-02-02 Hiraku Abe , Tomoo Matsumura

The paper deals about Hardy-type inequalities associated with the following higher order Poincar\'e inequality: $$ \left( \frac{N-1}{2} \right)^{2(k -l)} := \inf_{ u \in C_{c}^{\infty} \setminus \{0\}} \frac{\int_{\mathbb{H}^{N}}…

Classical Analysis and ODEs · Mathematics 2015-11-03 Elvise Berchio , Debdip Ganguly