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We study extensions and generalizations of the Schmidt Subspace Theorem in various settings. In particular, we prove results for algebraic points of bounded degree, giving a sharp version of Schmidt's theorem for quadratic points in the…

Number Theory · Mathematics 2015-11-03 Aaron Levin

We obtain an embedding theorem for compact strongly pseudoconvex CR manifolds which are bounadries of some complete Hermitian manifolds. We use this to compactify some negatively curved Kaehler manifolds with compact strongly pseudoconvex…

Complex Variables · Mathematics 2015-09-10 G. Marinescu , N. Yeganefar

We prove some Bernstein theorems for entire space-like submanifolds in pseudo-Euclidean spaces and, as a corollary, we obtain a new proof of the Calabi-Pogorelov theorem on global solutions of Monge-Ampere equations.

Differential Geometry · Mathematics 2007-05-23 Juergen Jost , Yuan-Long Xin

For a linear subvariety $M$ of a stratum of meromorphic differentials, we investigate its closure in the multi-scale compactification constructed by Bainbridge-Chen-Gendron-Grushevsky-M\"oller. We prove various restrictions on the type of…

Algebraic Geometry · Mathematics 2022-12-21 Frederik Benirschke , Benjamin Dozier , Samuel Grushevsky

In complete analogy with the Beltrami parametrization of complex structures on a (compact) Riemann surface, we use in this paper the Kodaira-Spencer deformation theory of complex structures on a (compact) complex manifold of higher…

High Energy Physics - Theory · Physics 2015-06-26 G. Bandelloni , S. Lazzarini

In this paper, we prove a transversality theorem for the moduli space of perturbed special Lagrangian submanifolds in a 6-dimensional manifold equipped with a generalization of a Calabi-Yau structure. These perturbed special Lagrangian…

Differential Geometry · Mathematics 2024-08-02 Emily Autumn Windes

This paper gives an example of special Lagrangian manifold obtained from a hypersurface of a complex Grassmannian with vanishing first Chern class. The obtained manifold is a 1-torus bundle over the two dimensional real projective space.…

Differential Geometry · Mathematics 2007-05-23 A. Ben Abdesselem , P. Cabau

The goal of this paper is to develop some aspects of the deformation theory of piecewise flat structures on surfaces and use this theory to construct new geometric structures on the moduli space of Riemann surfaces.

Differential Geometry · Mathematics 2008-04-22 Marc Troyanov

In this paper we first give a Bonnet theorem for conformal Lagrangian surfaces in complex space forms, then we show that any compact Lagrangian surface in the complex space form admits at most one other global isometric Lagrangian surface…

Differential Geometry · Mathematics 2015-03-31 Huixia He , Hui Ma , Erxiao Wang

This paper deals with the generalization of usual round spheres in the flat Minkowski spacetime to the case of a generic four-dimensional spacetime manifold $M$. We consider geometric properties of sphere-like submanifolds in $M$ and…

General Relativity and Quantum Cosmology · Physics 2016-10-26 Hans-Peter Gittel , Jacek Jezierski , Jerzy Kijowski

We construct an explicit de Rham isomorphism relating the cohomology rings of Banagl's de Rham and spatial approach to intersection space cohomology for stratified pseudomanifolds with isolated singularities. Intersection space…

Algebraic Topology · Mathematics 2020-01-28 Franz Wilhelm Schlöder , J. Timo Essig

We prove a bubble tree convergence theorem for a sequence of closed Hamiltonian Stationary Lagrangian surfaces with bounded areas and Willmore energies in a complete K{\"a}hler surface. We also prove two strong compactness theorems on the…

Differential Geometry · Mathematics 2019-10-08 Jingyi Chen , John Man Shun Ma

In this note, we first introduce a boundary problem for Lagrangian submanifolds, analogous to the problem for free boundary hypersurfaces and capillary hypersurfaces. Then we present several interesting examples of Lagrangian submanifolds…

Differential Geometry · Mathematics 2025-05-28 Mingyan Li , Guofang Wang , Liangjun Weng

We provide a probabilistic proof of the fundamental gap estimate for Schr\"odinger operators in convex domains on the sphere, which extends the probabilistic proof of F. Gong, H. Li, and D. Luo for the Euclidean case. Our results further…

Probability · Mathematics 2024-08-01 Gunhee Cho , Guofang Wei , Guang Yang

We obtain new topological information about the local structure of collapsing under a lower sectional curvature bound. As an application we prove a new sphere theorem and obtain a partial result towards the conjecture that not every…

Differential Geometry · Mathematics 2007-05-23 Vitali Kapovitch

We obtain several formulas for the Euclidean distance degree (ED degree) of an arbitrary nonsingular variety in projective space: in terms of Chern and Segre classes, Milnor classes, Chern-Schwartz-MacPherson classes, and an extremely…

Algebraic Geometry · Mathematics 2018-12-26 Paolo Aluffi , Corey Harris

We characterize isometric actions on compact Kaehler manifolds admitting a Lagrangian orbit, describing under which condition the Lagrangian orbit is unique. We furthermore give the complete classification of simple groups acting on the…

Differential Geometry · Mathematics 2008-07-18 Lucio Bedulli , Anna Gori

The aim of this exposition is to explain basic ideas behind the concept of diffusive wavelets on spheres in the language of representation theory of Lie groups and within the framework of the group Fourier transform given by Peter-Weyl…

Functional Analysis · Mathematics 2011-06-15 Svend Ebert , Jens Wirth

In this note, we prove that every fibre space structures of a projective irreducible symplectic manifold is a lagrangian fibration.

Algebraic Geometry · Mathematics 2007-05-23 Daisuke Matsushita

We consider rigid supersymmetric theories in four-dimensional Riemannian spin manifolds. We build the Lagrangian directly in Euclidean signature from the outset, keeping track of potential boundary terms. We reformulate the conditions for…

High Energy Physics - Theory · Physics 2015-06-04 Henning Samtleben , Dimitrios Tsimpis