biosphere
发表于 2025-4-1 04:36:33
Two Unexpected Examples Concerning Differentiability of Lipschitz Functions on Banach Spaces,rentiability of Lipschitz functions between Banach spaces. Recall that these concepts are: Gâteaux derivative of a mapping φ: . → . at . ∈ ., which is defined as a continuous linear map φ′ (.): . → . verifying. for every . ∈ ., and Fréchet derivative which, in addition, requests that the above limit