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This work proves certain general orbifold compactness results for spaces of Riemannian metrics, generalizing earlier results along these lines for Einstein metrics or metrics with bounded Ricci curvature. This is then applied to prove such…

Differential Geometry · Mathematics 2007-05-23 Michael T. Anderson

In this work, we obtained separation results via codimension-1 maps to generalized manifolds. More specifically, we proved results that allow us to estimate the number of connected components of the complement of the image of such maps.

Algebraic Topology · Mathematics 2026-04-07 Edivaldo L. dos Santos , Telmo I. Acosta Vellozo

In this paper we prove a compactness theorem for a sequence of harmonic maps which are defined on a converging sequence of Riemannian manifolds.

Differential Geometry · Mathematics 2014-12-02 Zahra Sinaei

We prove an integral formula for the spherical measure of hypersurfaces in equiregular sub-Riemannian manifolds. Among various technical tools, we establish a general criterion for the uniform convergence of parametrized sub-Riemannian…

Metric Geometry · Mathematics 2023-08-25 Sebastiano Don , Valentino Magnani

A relation between dimensional reduction and space-time symmetry gauging is outlined.

High Energy Physics - Theory · Physics 2008-11-26 Alexei Nurmagambetov

For compact Riemannian manifolds with convex boundary, B.White proved the following alternative: Either there is an isoperimetric inequality for minimal hypersurfaces or there exists a closed minimal hypersurface, possibly with a small…

Differential Geometry · Mathematics 2012-10-19 Victor Bangert , Nena Roettgen

We extend the original Cachazo-Douglas-Seiberg-Witten conjecture for symmetric spaces.

Representation Theory · Mathematics 2008-06-03 Shrawan Kumar

A design is a finite set of points in a space on which every "simple" functions averages to its global mean. Illustrative examples of simple functions are low-degree polynomials on the Euclidean sphere or on the Hamming cube. We prove lower…

Combinatorics · Mathematics 2010-07-27 Noa Eidelstein , Alex Samorodnitsky

This paper studies the reduction by symmetry of variational problems on Lie groups and Riemannian homogeneous spaces. We derive the reduced equations of motion in the case of Lie groups endowed with a left-invariant metric, and on Lie…

Optimization and Control · Mathematics 2024-01-03 Jacob R. Goodman , Leonardo J. Colombo

In this paper, we propose a novel lower dimensional representation of a shape sequence. The proposed dimension reduction is invertible and computationally more efficient in comparison to other related works. Theoretically, the differential…

Computer Vision and Pattern Recognition · Computer Science 2011-08-02 Sheng Yi , Hamid Krim , Larry K. Norris

Riemannian and pseudo-Riemannian symmetric spaces with semisimple transvection group are known and classified for a long time. Contrary to that the description of pseudo-Riemannian symmetric spaces with non-semisimple transvection group is…

Differential Geometry · Mathematics 2007-05-23 Ines Kath , Martin Olbrich

Let M be an irreducible Riemannian symmetric space. The index i(M) of M is the minimal codimension of a (non-trivial) totally geodesic submanifold of M. The purpose of this note is to determine the index i(M) for all irreducible Riemannian…

Differential Geometry · Mathematics 2017-08-30 Jurgen Berndt , Carlos Olmos

In this paper, we prove a generalization of the Schmidt's subspace theorem for polynomials of higher degree in subgeneral position with respect to a projective variety over a number field. Our result improves and generalizes the previous…

Number Theory · Mathematics 2022-11-16 Si Duc Quang

In the present paper, we study harmonic mappings of complete Riemannian manifolds, as well as minimal and stable minimal submanifolds of complete Riemannian manifolds. We examine classical theorems in the theory of these manifolds from the…

Differential Geometry · Mathematics 2025-03-12 Sergey Stepanov , Irina Tsyganok

For Hamiltonian field theories on polysymplectic manifolds with a symmetry group action and a momentum map, we explore the redundancy in a set of necessary conditions that has appeared in the literature, for a generalized version of the…

Mathematical Physics · Physics 2023-08-01 Eduardo García-Toraño Andrés , Tom Mestdag

In this paper we explain how to define "lower dimensional'' volumes of any compact Riemannian manifold as the integrals of local Riemannian invariants. For instance we give sense to the area and the length of such a manifold in any…

Differential Geometry · Mathematics 2009-11-13 Raphael Ponge

The classical concept of affine locally symmetric spaces allows a generalization for various geometric structures on a smooth manifold. We remind the notion of symmetry for parabolic geometries and we summarize the known facts for…

Differential Geometry · Mathematics 2009-05-25 Lenka Zalabova , Vojtech Zadnik

We study the global geometry of surfaces in Sasakian space forms whose mean curvature vector is parallel in the normal bundle (these include the Riemannian Heisenberg space of dimension $2n+1$). We prove a codimension reduction theorem. We…

Differential Geometry · Mathematics 2013-09-02 Dorel Fetcu , Harold Rosenberg

We prove that area-minimizing submanifolds are not generically smooth, settling a conjecture of White that asks the generic smoothness of area-minimizing submanifolds. We furthermore establish a lower bound on the Hausdorff dimension of the…

Differential Geometry · Mathematics 2025-06-23 Zhenhua Liu

It is shown that regularisation by dimensional reduction is a viable alternative to dimensional regularisation in non-supersymmetric theories.

High Energy Physics - Phenomenology · Physics 2009-10-22 I. Jack , D. R. T. Jones , K. L. Roberts