English

On a general variational framework for existence and uniqueness in Differential Equations

Analysis of PDEs 2021-09-15 v1

Abstract

Starting from the classic contraction mapping principle, we establish a general, flexible, variational setting that turns out to be applicable to many situations of existence in Differential Equations. We show its potentiality with some selected examples including initial-value, Cauchy problems for ODEs; non-linear, monotone PDEs; linear and non-linear hyperbolic problems; and steady Navier-Stokes systems.

Keywords

Cite

@article{arxiv.2109.06517,
  title  = {On a general variational framework for existence and uniqueness in Differential Equations},
  author = {Pablo Pedregal},
  journal= {arXiv preprint arXiv:2109.06517},
  year   = {2021}
}
R2 v1 2026-06-24T05:56:48.445Z