Convexity and freezing sets in digital topology

• Boxer, Laurence ^[1]
  1. [1] Niagara University
• Localización: Applied general topology, ISSN-e 1989-4147, ISSN 1576-9402, Vol. 22, Nº. 1, 2021, págs. 121-137
• Idioma: inglés
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• Resumen

  • We continue the study of freezing sets in digital topology, introduced in [4]. We show how to find a minimal freezing set for a "thick" convex disk X in the digital plane Z^2. We give examples showing the significance of the assumption that X is convex.