Variational inequalities for monotone operators in nonreflexive Banach spaces

On some non-linear elliptic differential-functional equations

Philip Hartman, Guido Stampacchia · Acta Mathematica · 1966 · 983 citations · Full text

Nonlinear Functional Analysis, Elliptic Equation, Functional Analysis +1

A generalization of Tychonoff's fixed point theorem

Ky Fan · Mathematische Annalen · 1961 · 962 citations

Extremal Set Theory, Set-theoretic Topology, Topological Property +2

Nonlinear elliptic boundary value problems

Felix E. Browder · Bulletin of the American Mathematical Society · 1963 · 300 citations · Full text

Numerical Analysis, Elliptic Equation, Free Boundary Problem +1

Sensitivity Analysis in Variational Inequalities

Stella Dafermos · Mathematics of Operations Research · 1988 · 194 citations

Engineering, Variational Analysis, Complementarity Problem +11

Variational inequalities, complementarity problems, and duality theorems

George H. Allen · Journal of Mathematical Analysis and Applications · 1977 · 138 citations

Engineering, Variational Analysis, Duality Theorems +4