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zbMATH Open
Article . 1981
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Transactions of the American Mathematical Society
Article . 1981 . Peer-reviewed
Data sources: Crossref
Transactions of the American Mathematical Society
Article . 1981 . Peer-reviewed
Data sources: Crossref
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Nonsmooth Analysis: Differential Calculus of Nondifferentiable Mappings

Nonsmooth analysis: differential calculus of nondifferentiable mappings
Authors: Ioffe, A. D.;

Nonsmooth Analysis: Differential Calculus of Nondifferentiable Mappings

Abstract

A new approach to local analysis of nonsmooth mappings from one Banach space into another is suggested. The approach is essentially based on the use of set-valued mappings of a special kind, called fans, for local approximation. Convex sets of linear operators provide an example of fans. Generally, fans can be considered a natural set-valued extension of linear operators. The first part of the paper presents a study of fans; the second is devoted to calculus and includes extensions of the main theorems of classical calculus.

Keywords

generalized gradients, Calculus of functions on infinite-dimensional spaces, Derivatives of functions in infinite-dimensional spaces, Differentiation theory (Gateaux, Fréchet, etc.) on manifolds, generalized directional derivative, (generalized) normal and tangent cones, Fréchet and Gateaux differentiability in optimization

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    181
    popularity
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
181
Top 10%
Top 1%
Top 10%
bronze