Results 241 to 250 of about 1,076,084 (287)

Polymer Concepts in Cellular Function

open access: yes
Advanced Science, EarlyView.
Miao Yu   +7 more
wiley   +1 more source

Topology vs generalized rough sets [PDF]

open access: yesInternational Journal of Approximate Reasoning, 2011
This paper investigates the relationship between topology and generalized rough sets induced by binary relations. Some known results regarding the relation based rough sets are reviewed, and some new results are given.
Zhi Pei, Daowu Pei
exaly   +2 more sources
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Generalized Topological Index

K-Theory, 1997
The topological index was defined by Atiyah and Singer [see \textit{M. F. Atiyah} and \textit{I. M. Singer}, ``The index of elliptic operators. I'', Ann. Math., II. Ser. 87, 484-530 (1968; Zbl 0164.24001)] and they showed that this index satisfies three axioms: excision, multiplicativity and normalization.
Foth, Philip A., Tamarkin, Dmitry E.
openaire   +1 more source

Generalized topology, generized continuity

Acta Mathematica Hungarica, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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New generalized topologies on generalized topological spaces due to Császár

Acta Mathematica Hungarica, 2010
Let \((X, \tau)\) be a topological space and \(\mu\) be one of the following families of sets: pre-open sets, semi-open sets, \(b\)-open sets, \(\alpha\)-open sets, \(\beta\)-open sets of \((X, \tau)\). Then \((X, \mu)\) can be considered as a generalized topological space, i.e., \(\mu\) satisfies that (1) \(\emptyset \in \mu\), and (2) every union of ...
Roy, B., Ekici, E.
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Topology in General Relativity

Journal of Mathematical Physics, 1967
A number of theorems and definitions which are useful in the global analysis of relativistic world models are presented. It is shown in particular that, under certain conditions, changes in the topology of spacelike sections can occur if and only if the model is acausal. Two new covering manifolds, embodying certain properties of the universal covering
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General Topology Topological Spaces

1987
The purpose of this chapter is to present very rapidly some of the basic, concise results in general topology – mostly without proofs. The reader interested in this topic may consult the works of N. Bourbaki, J. L. Kelley and K. Kuratowski for a detailed account.
openaire   +1 more source

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