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Related papers: Hyperelliptic surfaces are Loewner

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We construct embedded closed minimal surfaces in the round three-sphere, resembling two parallel copies of the Clifford torus, joined by m^2 small catenoidal bridges symmetrically arranged along a square lattice of points on the torus.

Differential Geometry · Mathematics 2007-05-23 Nicolaos Kapouleas , Seong-Deog Yang

In this paper we extend previous results of Banach, Lamperti and Yeadon on isometries of Lp-spaces to the non-tracial case first introduced by Haagerup. Specifically, we use operator space techniques and an extrapolation argument to prove…

Operator Algebras · Mathematics 2007-05-23 Marius Junge , Zhong-Jin Ruan , David Sherman

Weighted cone-volume functionals are introduced for the convex polytopes in $\mathbb{R}^n$. For these functionals, geometric inequalities are proved and the equality conditions are characterized. A variety of corollaries are derived,…

Metric Geometry · Mathematics 2023-07-07 Steven Hoehner , Jeff Ledford

A Riemannian metric on a manifold M induces a family of Riemannian metrics on the loop space LM depending on a Sobolev space parameter s. We compute the connection forms of these metrics and the higher symbols of their curvature forms,…

Differential Geometry · Mathematics 2014-05-19 Yoshiaki Maeda , Steven Rosenberg , Fabián Torres-Ardila

We prove a sharp inequality for toroidal hypersurfaces in three and four dimensional Horowitz-Myers geon. This extend previous results on Minkowski inequality in the static spacetime to toroidal surfaces in asymptotically hyperbolic…

Differential Geometry · Mathematics 2021-03-16 Aghil Alaee , Pei-Ken Hung

In this note, we present a new look at translationally equivariant minimal Lagrangian surfaces in the complex projective plane via the loop group method.

Differential Geometry · Mathematics 2015-02-18 Josef F. Dorfmeister , Hui Ma

Let V be a compact real analytic surface with isolated singularities embedded in $R^N$, and assume its smooth part is equipped with a Riemannian metric that is induced from some analytic Riemannian metric on $R^N$. We prove: 1. Each point…

Differential Geometry · Mathematics 2016-09-07 Daniel Grieser

We prove a conjecture of Barraud-Cornea for orientable Lagrangian surfaces. As a corollary, we obtain that displaceable Lagrangian 2--tori have finite Gromov width. In order to do so, we adapt the pearl complex of Biran-Cornea to the…

Symplectic Geometry · Mathematics 2016-01-20 François Charette

Given a connected smooth projective surface X over the complex numbers, together with a simple normal crossings divisor D on it, we study finite normal covers Y of X that are unramified outside D. Given moreover a fibration of X onto a…

Algebraic Geometry · Mathematics 2012-03-28 Bas Edixhoven , Robin de Jong , Jan Schepers

Inspired by Segal-Stolz-Teichner project for geometric construction of elliptic (tmf) cohomology, and ideas of Floer theory and of Hopkins-Lurie on extended TFT's, we geometrically construct some $Ring$-valued representable cofunctors on…

Algebraic Topology · Mathematics 2014-08-15 Yasha Savelyev

We prove a Poincar\'e-Bendixson theorem describing the asymptotic behavior of geodesics for a meromorphic connection on a compact Riemann surface. We shall also briefly discuss the case of non-compact Riemann surfaces, and study in detail…

Complex Variables · Mathematics 2014-06-27 Marco Abate , Fabrizio Bianchi

For each member of an infinite family of homology classes in the K3-surface E(2), we construct infinitely many non-isotopic symplectic tori representing this homology class. This family has an infinite subset of primitive classes. We also…

Geometric Topology · Mathematics 2007-05-23 Tolga Etgü , B. Doug Park

We prove an $l^p$ decoupling inequality for hypersurfaces with nonzero Gaussian curvature and use it to derive a corresponding $l^p$ decoupling for curves not contained in a hyperplane. This extends our earlier work from [2]

Classical Analysis and ODEs · Mathematics 2014-07-02 Jean Bourgain , Ciprian Demeter

We calculate the dimension of the locus of elliptic surfaces over P^1 with a section and a given Picard number, in the corresponding moduli space.

Algebraic Geometry · Mathematics 2007-05-23 Remke Kloosterman

We show that under the hypotheses of Strominger, Yau and Zaslow's paper, a mirror partner of a K3 surface $X$ with a fibration in special Lagrangian tori can be obtained by rotating the complex structure of $X$ within its hyperk\"ahler…

Mathematical Physics · Physics 2008-11-06 U. Bruzzo , G. Sanguinetti

A carpet is a metric space which is homeomorphic to the standard Sierpi\'nski carpet in $\mathbb{R}^2$, or equivalently, in $S^2$. A carpet is called thin if its Hausdorff dimension is $<2$. A metric space is called Q-Loewner if its…

Metric Geometry · Mathematics 2020-04-09 Jeff Cheeger , Sylvester Eriksson-Bique

We show that Bonnesen's isoperimetic defect has a systolic analog for Loewner's torus inequality. The isosystolic defect is expressed in terms of the probabilistic variance of the conformal factor of the metric g with respect to the flat…

Differential Geometry · Mathematics 2009-02-12 Charles Horowitz , Karin Usadi Katz , Mikhail G. Katz

We present here several versions of the Grothendieck inequality over the skew field of quaternions: The first one is the standard Grothendieck inequality for rectangular matrices, and two additional inequalities for self-adjoint matrices,…

Functional Analysis · Mathematics 2022-12-02 Shmuel Friedland , Zehua Lai , Lek-Heng Lim

We construct isoperimetric regions from separating hypersurfaces in closed manifolds. This yields isoperimetric boundaries exhibiting a wide variety of topological types and singular sets.

Differential Geometry · Mathematics 2026-03-16 Kobe Marshall-Stevens , Gongping Niu

We establish a uniformization result for metric surfaces - metric spaces that are topological surfaces with locally finite Hausdorff 2-measure. Using the geometric definition of quasiconformality, we show that a metric surface that can be…

Complex Variables · Mathematics 2019-09-20 Toni Ikonen