A further result on an implicit function theorem for locally Lipschitz functions

نویسنده

  • Defeng Sun
چکیده

Let H : <m×<n → <n be a locally Lipschitz function in a neighborhood of (ȳ, x̄) and H(ȳ, x̄) = 0 for ȳ ∈ <m and x̄ ∈ <n. The implicit function theorem in the sense of Clarke [1, 2] says that if πx∂H(ȳ, x̄) is of maximal rank, then there exist a neighborhood Y of ȳ and a Lipschitz function G(·) : Y → <n such that G(ȳ) = x̄ and for every y in Y , H(y,G(y)) = 0. In this paper, we shall further show that if H has a superlinear (quadratic) approximate property at (ȳ, x̄), then G has a superlinear (quadratic) approximate property at ȳ. This result is useful in designing Newton’s methods for nonsmooth equations.

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عنوان ژورنال:
  • Oper. Res. Lett.

دوره 28  شماره 

صفحات  -

تاریخ انتشار 2001