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200 篇论文

We present examples of foliations with infinite dimensional basic symplectic and com- plex cohomologies, along with a general sufficient condition for such phenomena. This puts re- strictions on possible generalizations of several…

微分几何 · 数学 2017-05-08 Andrzej Czarnecki , Paweł Raźny

Based on the concept of manifold valued generalized functions we initiate a study of nonlinear ordinary differential equations with singular (in particular: distributional) right hand sides in a global setting. After establishing several…

We study the energy function of the Kuramoto model in random geometric graphs defined in the unit circle as the number of nodes diverges. We prove the existence of at least one local minimum for each winding number $q \in \mathbb{Z}$ with…

概率论 · 数学 2024-07-24 Cecilia De Vita , Julián Fernández Bonder , Pablo Groisman

In this paper, we consider limit laws for the model, which is a generalisation of the random energy model (REM) to the case when the energy levels have the mixture distribution. More precisely, the distribution of the energy levels is…

概率论 · 数学 2018-02-15 Stanislav Molchanov , Vladimir Panov

We introduce a notion of generalized Flow-Box property valid for general singular distributions and sub-varieties (based on a dynamical interpretation). Just as in the usual Flow-Box Theorem, we characterize geometrical and algebraic…

经典分析与常微分方程 · 数学 2018-09-05 Andre Belotto da Silva , Daniel Panazzolo

We consider the Langevin dynamics of a semi-dilute system of chains which are random polyampholytes of average monomer charge $q$ and with a fluctuations in this charge of the size $Q^{-1}$ and with freely floating counter-ions in the…

软凝聚态物质 · 物理学 2015-06-25 Kristian K. Muller-Nedebock , Thomas A. Vilgis

In this paper we present a method to study global regularity properties of solutions of large-data critical Schrodinger equations on certain noncompact Riemannian manifolds. We rely on concentration compactness arguments and a global…

偏微分方程分析 · 数学 2010-09-09 Alexandru D. Ionescu , Benoit Pausader , Gigliola Staffilani

Motivated by a model for lipid bilayer cell membranes, we study the minimization of the Willmore functional in the class of oriented closed surfaces with prescribed total mean curvature, prescribed area, and prescribed genus. Adapting…

微分几何 · 数学 2024-03-22 Christian Scharrer , Alexander West

We obtain geometric characterizations of isospectral minimal Riemannian Legendre foliations on compact Sasakian manifolds of constant $\phi$-sectional curvature.

微分几何 · 数学 2013-09-09 Gabriel Baditoiu , Stere Ianus , Anna Maria Pastore

We introduce a (bi)category $\mathfrak{Sing}$ whose objects can be functorially assigned spaces of distributions and generalized functions. In addition, these spaces of distributions and generalized functions possess intrinsic notions of…

泛函分析 · 数学 2013-02-01 Shantanu Dave , Michael Kunzinger

We study the asymptotic equidistribution of points near arbitrary compact sets of positive capacity in $\R^d,\ d\ge 2$. Our main tools are the energy estimates for Riesz potentials. We also consider the quantitative aspects of this…

经典分析与常微分方程 · 数学 2013-07-24 Igor E. Pritsker

A new functional for simplicial surfaces is suggested. It is invariant with respect to Moebius transformations and is a discrete analogue of the Willmore functional. Minima of this functional are investigated. as an application a bending…

微分几何 · 数学 2017-08-25 Alexander I. Bobenko

We derive a uniform exponential decay of the total energy for the nonlinear Klein-Gordon equation with a damping around spatial infinity in the whole space or in the exterior of a star shaped obstacle.

偏微分方程分析 · 数学 2010-01-05 Lassaad Aloui , Slim Ibrahim , Kenji Nakanishi

This paper presents an energy estimate in terms of the total variation of the control for bilinear infinite dimensional quantum systems with unbounded potentials. These estimates allow a rigorous construction of propagators associated with…

最优化与控制 · 数学 2013-02-08 Nabile Boussaid , Marco Caponigro , Thomas Chambrion

We consider an Ising model with quenched surface disorder, the disorder average of the free energy is the main object of interest. Explicit expressions for the free energy distribution are difficult to obtain if the quenched surface spins…

数学物理 · 物理学 2024-10-30 Nils Gluth , Thomas Guhr , Alfred Hucht

This article studies the canonical Hilbert energy $H^{s/2}(M)$ on a Riemannian manifold for $s\in(0,2)$, with particular focus on the case of closed manifolds. Several equivalent definitions for this energy and the fractional Laplacian on a…

偏微分方程分析 · 数学 2025-01-20 Michele Caselli , Enric Florit-Simon , Joaquim Serra

Let $M$ be a strongly pseudoconvex complex manifold which is also the total space of a principal $G$-bundle with $G$ a Lie group and compact orbit space $\bar M/G$. Here we investigate the $\bar\partial$-Neumann Laplacian on $M$. We show…

谱理论 · 数学 2011-08-29 Joe J. Perez , Peter Stollmann

We show that for a smooth manifold equipped with a singular Riemannian foliation, if the foliated metric has positive sectional curvature, and there exists a pre-section, that is a proper submanifold retaining all the transverse geometric…

微分几何 · 数学 2023-06-23 Diego Corro , Adam Moreno

In this work, it is suggested that the extremum complexity distribution of a high dimensional dynamical system can be interpreted as a piecewise uniform distribution in the phase space of its accessible states. When these distributions are…

混沌动力学 · 物理学 2015-05-13 Xavier Calbet , Ricardo Lopez-Ruiz

Let $\mathcal{F}$ be a singular Riemann surface foliation on a complex manifold $M$, such that the singular set $E \subset M$ is non-discrete. We study the behavior of the foliation near the singular set $E$, particularly focusing on…

复变函数 · 数学 2025-03-21 Sahil Gehlawat