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Makuchowski Umbrella

Makuchowski Umbrella is a hereditarily locally connected continuum where each nonconstant open mapping is light. This property disappears when we cut out those vertical segments due to the horizontal projection on appropriate vertical segment.

See [60, Example 2.5].


Figure ( A ) Makuchowski Umbrella



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Janusz J. Charatonik, Pawel Krupski and Pavel Pyrih
2001-02-21