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Connected set and regular boundaries

  1. Sep 8, 2006 #1
    If possible, could anyone tell me if the clousure of every open connected set always has a regular boundary ? thanx in advance.
     
  2. jcsd
  3. Sep 8, 2006 #2

    HallsofIvy

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    Science Advisor

    Would you mind defining "regular boundary"?
     
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