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pro vyhledávání: '"Dev Phulara"'
Publikováno v:
Fixed Point Theory and Applications, Vol 2010 (2010)
We are going to answer some open questions in the theory of hyperconvex metric spaces. We prove that in complete ℝ-trees hyperconvex hulls are uniquely determined. Next we show that hyperconvexity of subsets of normed spaces implies their convexity
Externí odkaz:
https://doaj.org/article/b9d2d4fb85314706978a89e4973c3bfa
Autor:
Dev Phulara
Publikováno v:
Topology and its Applications. 196:92-105
The central sets theorem originally proven by H. Furstenburg is a powerful result which is applicable to derive many combinatorial conclusions. Furstenburg's original theorem applied to N and finitely many sequences in Z . Some strengthenings of this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45334396a7cc2d5d6ac5d6576e5eb4c5
https://doi.org/10.1016/j.topol.2015.09.038
https://doi.org/10.1016/j.topol.2015.09.038