EDB — 0R9

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Exercises

  1. [0R9]Topics:distance function.

    1. Show that dA is a Lipschitz function.

    2. Show that dAdA.

    3. Show that {x,dA(x)=0}=A.

    4. If M=n and A is closed and non-empty, show that the infimum in [(9.62)] is a minimum.

    See also [198] and [19B].

    Solution 1

    [0RB]

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  • funzione distanza
  • function, Lipschitz ---
  • metric space
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