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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2020 MCQ for Transactions of the American Mathematical Society is 1.48.

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Nonsmooth analysis: differential calculus of nondifferentiable mappings
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by A. D. Ioffe PDF
Trans. Amer. Math. Soc. 266 (1981), 1-56 Request permission

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.
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Additional Information
  • © Copyright 1981 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 266 (1981), 1-56
  • MSC: Primary 58C20; Secondary 26E15, 46G05, 49A51
  • DOI: https://doi.org/10.1090/S0002-9947-1981-0613784-7
  • MathSciNet review: 613784