1. ON SEMICOVERING, SUBSEMICOVERING, AND SUBCOVERING MAPS

M. Kowkabi; B. Mashayekhi; H. Torabi

Volume 7, Issue 2 , Winter and Spring 2020, , Pages 227-244

Abstract
  In this paper, by reviewing the concept of subcovering and semicovering maps, we extend the notion of subcovering map to subsemicovering map. We present some necessary or sufficient conditions for a local homeomorphism to be a subsemicovering map. Moreover, we investigate the relationship between these ...  Read More