• Title/Summary/Keyword: a nonclassical boundary value problem $\eta$-concavity

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THE CONDITION OF $\eta$-CONCAVITY

  • Mok, Jinsik
    • Journal of applied mathematics & informatics
    • /
    • v.10 no.1_2
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    • pp.371-376
    • /
    • 2002

  • The aim of this paper is to study the condition of η-concavity. We will give examples of η-functions in Hilbert spaces on two different domains.