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We prove that two proper holomorphic polynomial maps between bounded symmetric domains of classical type which preserve the origin are equivalent if and only if they are isotropically equivalent.

Complex Variables · Mathematics 2015-01-19 Aeryeogn Seo

We characterize the existence of proper holomorphic mappings in the special class of bounded $(1,2,...,n)$-balanced domains in $\mathbb{C}^n$, called the symmetrized ellipsoids. Using this result we conclude that there are no non-trivial…

Complex Variables · Mathematics 2017-09-18 Pawel Zapalowski

Inspired by recent work of Kopparty-Moshkovitz-Zuiddam and motivated by problems in combinatorics and hypergraphs, we introduce the notion of the symmetric geometric rank of a symmetric tensor. This quantity is equal to the codimension of…

Algebraic Geometry · Mathematics 2023-03-31 Julia Lindberg , Pierpaola Santarsiero

A complete characterization of proper holomorphic mappings between domains from the class of all pseudoconvex Reinhardt domains in $\C^2$ with the logarithmic image equal to a strip or a half-plane is given.

Complex Variables · Mathematics 2009-01-10 Lukasz Kosinski

We extend the results of B. Minemyer by showing that any indefinite metric polyhedron (either compact or not) with the vertex degree bounded from above admits an isometric simplicial embedding into a Minkowski space of the lowest possible…

Metric Geometry · Mathematics 2016-12-30 Pavel Galashin , Vladimir Zolotov

A complete embedding is a symplectic embedding $\iota:Y\to M$ of a geometrically bounded symplectic manifold $Y$ into another geometrically bounded symplectic manifold $M$ of the same dimension. When $Y$ satisfies an additional finiteness…

Symplectic Geometry · Mathematics 2023-01-25 Yoel Groman , Umut Varolgunes

The symmetric subrank of homogeneous polynomial is the largest number of terms in a diagonal form to which it can be specialized by a (typically non-invertible) linear variable substitution. Building on earlier work by Derksen-Makam-Zuiddam…

Algebraic Geometry · Mathematics 2026-04-15 Benjamin Biaggi , Jan Draisma , Koen de Nooij , Immanuel van Santen

We show the existence of isometric (or Ford) fundamental regions for a large class of subgroups of the isometry group of any rank one Riemannian symmetric space of noncompact type. The proof does not use the classification of symmetric…

Differential Geometry · Mathematics 2009-12-14 Anke D. Pohl

We classify parallel and totally geodesic hypersurfaces of the relevant class of G\"odel-type spacetimes, with particular regard to the homogeneous examples.

Differential Geometry · Mathematics 2023-11-01 Giovanni Calvaruso , Lorenzo Pellegrino , Joeri Van der Veken

We survey the theory of totally symmetric sets, with applications to homomorphisms of symmetric groups, braid groups, linear groups, and mapping class groups.

Group Theory · Mathematics 2024-01-26 Noah Caplinger , Dan Margalit

This paper is devoted to the study of conformal maps of the unit disk $\mathbb{D}$ in the plane onto a bounded Jordan domain $G$. The main aim is to show that such a map is asymptotically symmetric if and only if $G$ is bounded by a…

Complex Variables · Mathematics 2025-09-03 Ylli Andoni , Shanshuang Yang

In this paper we survey results on the existence of holomorphic embeddings and immersions of Stein manifolds into complex manifolds. Most results pertain to proper maps into Stein manifolds. We include a new result saying that every…

Complex Variables · Mathematics 2018-10-03 Franc Forstneric

In this note, we summarize known results and open questions on the existence of isometric embeddings between different Schatten classes as well as obtain a new non-embeddability result using a novel method. We also provide a brief overview…

Functional Analysis · Mathematics 2026-05-04 Arup Chattopadhyay , Chandan Pradhan , Anna Skripka

In this article we classify totally geodesic submanifolds in arbitrary products of rank one symmetric spaces. Furthermore, we give infinitely many examples of irreducible totally geodesic submanifolds in Hermitian symmetric spaces with…

Differential Geometry · Mathematics 2024-06-06 A. Rodríguez-Vázquez

Let M be an irreducible Riemannian symmetric space. The index of M is the minimal codimension of a (non-trivial) totally geodesic submanifold of M. We prove that the index is bounded from below by the rank of the symmetric space. We also…

Differential Geometry · Mathematics 2014-01-16 Jurgen Berndt , Carlos Olmos

We investigate geometric properties of homogeneous parabolic geometries with generalized symmetries. We show that they can be reduced to a simpler geometric structures and interpret them explicitly. For specific types of parabolic…

Differential Geometry · Mathematics 2016-08-10 Jan Gregorovič , Lenka Zalabová

We classify totally geodesic and parallel hypersurfaces of four-dimensional non-reductive homogeneous pseudo-Riemannian manifolds.

Differential Geometry · Mathematics 2018-09-19 Giovanni Calvaruso , Reinier Storm , Joeri Van der Veken

Pseudo-harmonic morphisms give rise on the domain space to a distribution which admits an almost complex structure compatible with the given Riemannian metric. We shall show that this property, together with the harmonicity, are preserved…

Differential Geometry · Mathematics 2007-05-23 Radu Slobodeanu

In this note, we address a question raised by Kr\"otz on the classification of domains of holomorphy of irreducible admissible Banach representations for connected non-compact simple real Lie groups G. When G is not of Hermitian type, we…

Representation Theory · Mathematics 2016-08-16 Gang Liu , Aprameyan Parthasarathy

Harmonicity of holomorphic maps between various subclasses of almost contact metric manifolds is discussed. Consequently, some new results are obtained. Also some known results are recovered, some of them are generalized and some of them…

Differential Geometry · Mathematics 2023-02-27 Sadettin Erdem