Generalizations of two theorems of Janiszewski

Type: Article

Publication Date: 1945-01-01

Citations: 11

DOI: https://doi.org/10.1090/s0002-9904-1945-08480-8

Abstract

Janiszewski proved [2] 1 the following for the plane.THEOREM A. The sum of two compact continua does not cut the point A from the point B provided neither cuts A from B and their common part is connected or does not exist.THEOREM B. The sum of two compact continua cuts the plane provided their common part is not connected.

Locations

  • Project Euclid (Cornell University) - View - PDF
  • Bulletin of the American Mathematical Society - View - PDF

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