Minimax Theorems

Michel Willem

12.2012 г. · Progress in Nonlinear Differential Equations and Their Applications Книга 24 · Springer Science & Business Media

Всичко за тази електронна книга

Many boundary value problems are equivalent to Au=O (1) where A : X --+ Y is a mapping between two Banach spaces. When the problem is variational, there exists a differentiable functional rand inf.