1 Table of Contents: “...A brief history of the Favard operator and its variants -- Bivariate extension of linear positive...”

2 “...The calculus of variations has a long history of interaction with other branches of mathematics...”

3 “... optimization and its history that details the shortcomings of the elementary theory and demonstrates how a...”

4 “...-dimensional level. While domain decomposition methods have a long history dating back well over one hundred...”