An Introduction To Functions Of Bounded Variation Sets Of Finite Perimeter And Some Applications To Geometric Variational Problems
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Sets of Finite Perimeter and Geometric Variational Problems
Author: Francesco Maggi
language: en
Publisher: Cambridge University Press
Release Date: 2012-08-09
An engaging graduate-level introduction that bridges analysis and geometry. Suitable for self-study and a useful reference for researchers.
Vector-Valued Partial Differential Equations and Applications
Collating different aspects of Vector-valued Partial Differential Equations and Applications, this volume is based on the 2013 CIME Course with the same name which took place at Cetraro, Italy, under the scientific direction of John Ball and Paolo Marcellini. It contains the following contributions: The pullback equation (Bernard Dacorogna), The stability of the isoperimetric inequality (Nicola Fusco), Mathematical problems in thin elastic sheets: scaling limits, packing, crumpling and singularities (Stefan Müller), and Aspects of PDEs related to fluid flows (Vladimir Sverák). These lectures are addressed to graduate students and researchers in the field.
An Introduction to Functions of Bounded Variation, Sets of Finite Perimeter and Some Applications to Geometric Variational Problems
"In this thesis, we explore how the theory of functions of bounded variation (BV) establishes an appropriate and versatile framework in the study of geometric variational problems. We begin with a presentation of some fundamental results on BV functions that will allow us to link them to Radon measures. In the special case of characteristic functions with bounded variation, we present structural results on sets of finite perimeter, including a generalization of the Gauss-Green Theorem. This machinery will allow us to assign a notion of perimeter to any set of finite Lebesgue measure, hence allowing non- smooth competitors to be considered in minimization problems involving the surface area. We will then address Plateau's problem and the first variation of the area functional. Finally, we will present the ideas of Steiner symmetrization to provide a proof of the Isoperimetric inequality"--