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相关论文: Affine Schwarz map for the hypergeometric differen…

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We introduce a class of maps from an affine flat into a Riemannian manifold that solve an elliptic system defined by the natural second order elliptic operator of the affine structure and the nonlinear Riemann geometry of the target. These…

微分几何 · 数学 2010-12-17 Jürgen Jost , Fatma Muazzez Şimşir

We study the affine quasi-Einstein Equation for homogeneous surfaces. This gives rise through the modified Riemannian extension to new half conformally flat generalized quasi-Einstein neutral signature $(2,2)$ manifolds, to conformally…

We study the Schwarz maps with monodromy groups isomorphic to the triangle groups (2,4,4) and (2,3,6) and their inverses. We apply our formulas to the study of mean iterations.

代数几何 · 数学 2015-05-11 Yuto Koguchi , Keiji Matsumoto , Fuko Seto

Using Mellin-Barnes integrals we give a method to compute a relevant subgroup of the monodromy group of an A-hypergeometric system of differential equations. Presumably this group is the full monodromy group of the system. This article is a…

代数几何 · 数学 2018-05-08 Frits Beukers

We exhibit an algorithm to compute the strongest polynomial (or algebraic) invariants that hold at each location of a given affine program (i.e., a program having only non-deterministic (as opposed to conditional) branching and all of whose…

计算机科学中的逻辑 · 计算机科学 2018-05-03 Ehud Hrushovski , Joël Ouaknine , Amaury Pouly , James Worrell

We determine the image of the (strongly) parabolic Hitchin map for all parabolics in classical groups and $G_2$. Surprisingly, we find that the image is isomorphic to an affine space in all cases, except for certain "bad parabolics" in type…

代数几何 · 数学 2018-06-11 David Baraglia , Masoud Kamgarpour

The covering of the affine symmetry group, a semidirect product of translations and special linear transformations, in $D \geq 3$ dimensional spacetime is considered. Infinite dimensional spinorial representations on states and fields are…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Djordje Sijacki

In this paper, we extend the additive average Schwarz method to solve second order elliptic boundary value problems with heterogeneous coefficients inside the subdomains and across their interfaces by the mortar technique, where the mortar…

数值分析 · 数学 2021-02-11 Ali Khademi , Leszek Marcinkowski , Sanjib Kumar Acharya , Talal Rahman

We study the maximum Hamming distance (or rather, the complementary notion of "minimum approximability") of a general function on a finite group $G$ to either of the sets $\operatorname{End}(G)$ and $\operatorname{Aff}(G)$, of group…

群论 · 数学 2019-10-31 Alexander Bors

We study Schwarz's map for Appell's second system $\cF_2$ of hypergeometric differential equations in two variables with parameters $a=c_1=c_2=\frac{1}{2}$, $b_1=b_2=\frac{1}{4}$. By using theta functions with characteristics, we give a…

代数几何 · 数学 2019-12-19 Keiji Matsumoto , Shohei Osafune , Tomohide Terasoma

In this paper, we prove a general Schwarz lemma at the boundary for holomorphic mappings from the polydisc to the unit ball in any dimensions. For the special case of one complex variable, the obtained results give the classic boundary…

复变函数 · 数学 2014-11-04 Yang Liu , Zhihua Chen , Yifei Pan

The main purpose of this paper is to develop some methods to investigate the Schwarz type lemmas of holomorphic mappings and pluriharmonic mappings in Hilbert and Banach spaces. Initially, we extend the classical Schwarz lemmas of…

复变函数 · 数学 2022-05-12 M. Mateljević , N. Mutavdžić

Differential equations are derived for a continuous limit of iterated Schwarzian reflection of analytic curves, and solutions are interpreted as geodesics in an infinite-dimensional symmetric space geometry.

微分几何 · 数学 2007-05-23 Annalisa Calini , Joel Langer

In this paper, we establish a boundary Schwarz lemma for solutions to non-homogeneous biharmonic equations.

复变函数 · 数学 2019-06-20 Manas Ranjan Mohapatra , Xiantao Wang , Jian-Feng Zhu

We will classify finite dimensional irreducible modules for affine quantum Schur algebras at roots of unity and generalize \cite[(6.5f) and (6.5g)]{Gr80} to the affine case in this paper.

表示论 · 数学 2012-08-07 Qiang Fu

A linear ordinary differential equation is called algebraic if all its solution are algebraic over its field of definition. In this paper we solve the problem of finding closed form solution to algebraic linear ordinary differential…

代数几何 · 数学 2016-09-22 Camilo Sanabria Malagón

We establish some Schwarz type Lemmas for mappings defined on the unit disk with bounded Laplacian. Then we apply these results to obtain boundary versions of the Schwarz lemma.

复变函数 · 数学 2018-10-23 Miodrag Mateljević , Adel Khalfallah

We present a method to compute the group of affine transformations of a homogeneous $G$-space under specific conditions: when the group $G$ and the homogeneous $G$-space admit linear connections so that the natural projection is affine, and…

微分几何 · 数学 2025-06-10 O. Saldarriaga , A. Flórez

A symmetric and a nonsymmetric variant of the additive Schwarz preconditioner are proposed for the solution of a nonsymmetric system of algebraic equations arising from a general finite volume element discretization of symmetric elliptic…

数值分析 · 数学 2018-06-14 Leszek Marcinkowski , Talal Rahman , Atle Loneland , Jan Valdman

This is a survey on the automorphism groups in various classes of affine algebraic surfaces and the algebraic group actions on such surfaces. Being infinite-dimensional, these automorphism groups share some important features of algebraic…

代数几何 · 数学 2025-03-06 Sergei Kovalenko , Alexander Perepechko , Mikhail Zaidenberg