On a new critical point theorem and some applications to discrete equations

Using the Fenchel-Young duality we derive a new critical point theorem. We illustrate our results with solvability for certain discrete BVP. Multiple solutions are also considered.

Bibliographic Details
Main Authors: Marek Galewski, Elżbieta Galewska
Format: Article
Language:English
Published: AGH Univeristy of Science and Technology Press 2014-01-01
Series:Opuscula Mathematica
Subjects:
Online Access:http://www.opuscula.agh.edu.pl/vol34/4/art/opuscula_math_3444.pdf