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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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Limiting subhessians, limiting subjets and their calculus
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by Alexander D. Ioffe and Jean-Paul Penot PDF
Trans. Amer. Math. Soc. 349 (1997), 789-807 Request permission

Abstract:

We study calculus rules for limiting subjets of order two. These subjets are obtained as limits of sequences of subjets, a subjet of a function $f$ at some point $x$ being the Taylor expansion of a twice differentiable function which minorizes $f$ and coincides with $f$ at $x$. These calculus rules are deduced from approximate (or fuzzy) calculus rules for subjets of order two. In turn, these rules are consequences of delicate results of Crandall-Ishii-Lions. We point out the similarities and the differences with the case of first order limiting subdifferentials.
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Additional Information
  • Alexander D. Ioffe
  • Affiliation: Department of Mathematics, Technion, 32000 Haifa, Israel
  • MR Author ID: 91440
  • Jean-Paul Penot
  • Affiliation: Départment de Mathématiques, CNRS URA 1204, Faculté des Sciences, Av. de l’Université, 64000 Pau, France
  • Email: jean-paul.penot@univ.pau-fr
  • Received by editor(s): August 3, 1994
  • Received by editor(s) in revised form: September 5, 1995
  • Additional Notes: The first author’s research was supported in part by the U.S.-Israel Binational Science Foundation, under grant no. 90-00455
  • © Copyright 1997 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 349 (1997), 789-807
  • MSC (1991): Primary 28A15, 46G05; Secondary 26A24, 26A27
  • DOI: https://doi.org/10.1090/S0002-9947-97-01726-1
  • MathSciNet review: 1373640