期刊
APPLIED MATHEMATICS LETTERS
卷 24, 期 4, 页码 516-518出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.aml.2010.11.004
关键词
Persistent topology; Shape analysis; Betti numbers; Euclidean neighborhood retract
Rank invariants of multidimensional persistent homology groups are a parameterized version of Betti numbers of a space multi-filtered by a continuous vector-valued function. In this note we give a sufficient condition for their finiteness. This condition is sharp for spaces embeddable in R-n. (C) 2010 Elsevier Ltd. All rights reserved.
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