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The comparison theory for the Riccati equation satisfied by the shape operator of parallel hypersurfaces is generalized to semi-Riemannian manifolds of arbitrary index, using one-sided bounds on the Riemann tensor which in the Riemannian…

dg-ga · Mathematics 2008-02-03 L. Andersson , R. Howard

We introduce a class of generalized relative entropies (inspired by the Bregman divergence in information theory) on the Wasserstein space over a weighted Riemannian or Finsler manifold. We prove that the convexity of all the entropies in…

Differential Geometry · Mathematics 2013-04-09 Shin-ichi Ohta , Asuka Takatsu

We prove an abstract compactness theorem for a family of generalized Seiberg-Witten equations in dimension three. This result recovers Taubes' compactness theorem for stable flat $\mathbf{P}\mathrm{SL}_2(\mathbf{C})$-connections as well as…

Differential Geometry · Mathematics 2022-02-02 Thomas Walpuski , Boyu Zhang

In this paper we study relative Riemann-Zariski spaces attached to a morphism of schemes and generalizing the classical Riemann-Zariski space of a field. We prove that similarly to the classical RZ spaces, the relative ones can be described…

Algebraic Geometry · Mathematics 2011-10-11 Michael Temkin

The aim of the article is an extension of the Monodromy Conjecture of Denef and Loeser in dimension two, incorporating zeta functions with differential forms and targeting all monodromy eigenvalues, and also considering singular ambient…

Algebraic Geometry · Mathematics 2014-11-11 András Némethi , Willem Veys

The famous Conway--Gordon--Sachs theorem for the complete graph on six vertices was extended to the general complete graph on $n$ vertices by Kazakov--Korablev as a congruence modulo $2$, and its integral lift was given by…

Geometric Topology · Mathematics 2025-06-24 Ryo Nikkuni

We generalize Gr\"unbaum's classical inequality in convex geometry to curved spaces with nonnegative Ricci curvature, precisely, to $\mathrm{RCD}(0,N)$-spaces with $N \in (1,\infty)$ as well as weighted Riemannian manifolds of…

Metric Geometry · Mathematics 2025-10-24 Victor-Emmanuel Brunel , Shin-ichi Ohta , Jordan Serres

We prove Demailly's Conjecture concerning the lower bound for the Waldschmidt constant in terms of the initial degree of the second symbolic powers for any set of generic points or very general points in $\mathbb{P}^N$. We also discuss the…

Commutative Algebra · Mathematics 2025-04-14 Sankhaneel Bisui , Thai Thanh Nguyen

We announce new results concerning the asymptotic behavior of the Betti numbers of higher rank locally symmetric spaces as their volumes tend to infinity. Our main theorem is a uniform version of the L\"uck Approximation Theorem…

We establish second main theorems for holomorphic curves into a projective subvary $V \subset \mathbb{P}^n(\mathbb{C})$ of dimension $k$, intersecting hypersurfaces in $N$-subgeneral position with respect to $V$ $(N > k)$. Our results…

Complex Variables · Mathematics 2026-05-11 Si Duc Quang , Nguyen Van An , Tran An Hai

We prove the absolute winning property of weighted simultaneous inhomogeneous badly approximable vectors on non-degenerate analytic curves. This answers a question by Beresnevich, Nesharim, and Yang. In particular, our result is an…

Number Theory · Mathematics 2024-11-12 Shreyasi Datta , Liyang Shao

We explore and generalize a Cauchy-Schwarz-type inequality originally proved in [Electronic Journal of Linear Algebra 35, 156-180 (2019)]: $\|\mathbf{v}^2\|\|\mathbf{w}^2\| - \langle\mathbf{v}^2,\mathbf{w}^2\rangle \leq…

Functional Analysis · Mathematics 2025-07-15 Nathaniel Johnston , Sarah Plosker , Charles Torrance , Luis M. B. Varona

In this paper we consider a Novikov equation, recently shown to describe pseudospherical surfaces, to extend some recent results of regularity of its solutions. By making use of the global well-posedness in Sobolev spaces, for analytic…

Analysis of PDEs · Mathematics 2024-10-08 Priscila Leal da Silva

We present a new proof (based on spectral decomposition) of a bound originally proved by Sidelnikov~\, for the frame potentials $\sum_{ij} \left( {\bf P}_i \cdot {\bf P}_j \right)^\ell $ on a unit--sphere in $d$ dimensions. Sidelnikov's…

Mathematical Physics · Physics 2024-12-10 Paolo Amore , Ricardo A. Sáenz

Concerning the value distribution problem for generalized Gauss maps, we not only generalize Fujimoto's theorem to complete space-like stationary surfaces in Minkowski spacetime, but also estimate the upper bound of the number of…

Differential Geometry · Mathematics 2021-09-13 Li Ou , Chuanmiao Cheng , Ling Yang

In this work we present a number of generalizations of Wick's theorems on integrals with Gaussian weight to a larger class of weights which we call subgaussian. Examples of subgaussian contractions are that of Kac-Moody or Virasoro type,…

High Energy Physics - Theory · Physics 2007-05-23 Olivier de Mirleau

We establish new general etale versions of theorems of Barth and Sommese. Respectively, we compute the lower etale cohomology of closed subvarieties of $P^N$ of small codimensions and of their preimages with respect to proper morphisms…

Algebraic Geometry · Mathematics 2025-07-10 Sergei I. Arkhipov , Mikhail V. Bondarko

We extend the theory of fields/distributions developed the paper "A Feigin-Frenkel theorem with n singularities" to a general base scheme. In order to do so we introduce suitable notions of topological sheaves on schemes and study their…

Algebraic Geometry · Mathematics 2025-09-30 Luca Casarin , Andrea Maffei

A well-known theorem of Wolpert shows that the Weil-Petersson symplectic form on Teichm\"uller space, computed on two infinitesimal twists along simple closed geodesics on a fixed hyperbolic surface, equals the sum of the cosines of the…

Geometric Topology · Mathematics 2020-11-16 François Fillastre , Andrea Seppi

We establish a lower bound on the total mass of the time slices of (n + 1)-dimensional asymptotically flat standard static spacetimes under the timelike convergence condition. The inequality can be viewed equivalently as a Minkowski-type…

General Relativity and Quantum Cosmology · Physics 2026-02-11 Brian Harvie