In connection with continuum mechanics there are physically meaningful choices of infinite-dimensional Banach spaces such that the domain of constitutive maps is nowhere dense in them, as ref. 4 pointed out. Thus the usual differential calculus on open sets cannot be applied there. Here we give a differentiability notion for maps f defined on any convex subset of a Banach space that may be nowhere dense. When the domain of f is open, this notion coincides with the usual one. We give the definitions and prove the theorems related to first and higher order derivatives of f.
A note about differentiability of maps defined on convex sets of Banach spaces that may be nowhere dense
MONTANARO, ADRIANO;PIGOZZI, DIEGO
1997
Abstract
In connection with continuum mechanics there are physically meaningful choices of infinite-dimensional Banach spaces such that the domain of constitutive maps is nowhere dense in them, as ref. 4 pointed out. Thus the usual differential calculus on open sets cannot be applied there. Here we give a differentiability notion for maps f defined on any convex subset of a Banach space that may be nowhere dense. When the domain of f is open, this notion coincides with the usual one. We give the definitions and prove the theorems related to first and higher order derivatives of f.File in questo prodotto:
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