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Generic Frechet Differentiability on Asplund Spaces via A.E. Strict Differentiability on Many Lines

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F12%3A10127167" target="_blank" >RIV/00216208:11320/12:10127167 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Generic Frechet Differentiability on Asplund Spaces via A.E. Strict Differentiability on Many Lines

  • Original language description

    We prove that a locally Lipschitz function on an open subset G of an Asplund space X, whose restrictions to "many lines" are essentially smooth (i.e., almost everywhere strictly differentiable), is generically Frechet differentiable on X. In this way weobtain new proofs of known Frechet differentiability properties of approximately convex functions, Lipschitz regular functions, saddle (or biconvex) Lipschitz functions, and essentially smooth functions (in the sense of Borwein and Moors), and also somenew differentiability results (e.g., for partially DC functions). We show that classes of functions S-e(g)(G) and R-e(g)(G) (defined via linear essential smoothness) are respectively larger than classes S-e(G) (of essentially smooth functions) and R-e(G)studied by Borwein and Moors, and have also nice properties. In particular, we prove that members of S-e(g)(G) are uniquely determined by their Clarke subdifferentials. We also show the inclusion S-e(G) subset of R-e(G) for Borwein-Moors

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BA - General mathematics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA201%2F09%2F0067" target="_blank" >GA201/09/0067: Theory of real functions and descriptive set theory II</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2012

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Convex Analysis

  • ISSN

    0944-6532

  • e-ISSN

  • Volume of the periodical

    19

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    26

  • Pages from-to

    23-48

  • UT code for WoS article

    000301551300002

  • EID of the result in the Scopus database