The Fredholm eigen values of plane domains

A theorem on flows in networks

David Gale · Pacific Journal of Mathematics · 1957 · 501 citations · Full text

Network Flows, Network Science, Graph Theory +7

A Method of Variation Within the Family of Simple Functions

M. Schiffer · Proceedings of the London Mathematical Society · 1938 · 139 citations

Simple Functions, Engineering, Generalized Function +6

The lattice of invariant subspaces of a completely continuous quasi-nilpotent transformation

William F. Donoghue · Pacific Journal of Mathematics · 1957 · 129 citations · Full text

Invariant Subspaces, Representation Theory, Topological Algebra +5

Kernel functions and conformal mapping

Stefan Bergman, M. Schiffer · French digital mathematics library (Numdam) · 1951 · 111 citations

Resolvent Kernel, Reproducing Kernel Method, Functional Analysis +2

Hadamard's Formula and Variation of Domain-Functions

M. Schiffer · American Journal of Mathematics · 1946 · 88 citations

Function Theory, Generalized Function, Functional Analysis +1