Continuous selections of solutions for locally Lipschitzian equations

  • A.V. Arutyunov
  • Alexey F. Izmailov
  • S.E. Zhukovskiy
    • Categories Complementarity and Variational Inequalities, Nonlinear Systems and Least-Squares, Nonsmooth Optimization Short URL: https://optimization-online.org/?p=16009

    This paper answers in affirmative the long-standing question of nonlinear analysis, concerning the existence of a continuous single-valued local selection of the right inverse to a locally Lipschitzian mapping. Moreover, we develop a much more general result, providing conditions for the existence of a continuous single-valued selection not only locally, but rather on any given ball centered at the point in question. Finally, by driving the radius of this ball to infinity, we obtain the global inverse function theorem, essentially implying the well known Hadamard's theorem on a global homeomorphism for smooth mappings, and the more general Pourciau's theorem for locally Lipschitzian mappings.

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    September 2019

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