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An n + 1 Member Decomposition for Sets Whose Lnc Points Form n Convex Sets

Published online by Cambridge University Press:  20 November 2018

Marilyn Breen*
Affiliation:
The University of Oklahoma, Norman, Oklahoma
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Let S be a subset of Rd. A point x in 5 is a point of local convexity of S if and only if there is some neighborhood N of x such that, if y, z N ᑎ 5, then [y, z] ⊆ S. If S fails to be locally convex at some point q in S then q is called a point of local nonconvexity (lnc point) of S.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1975

References

1. Breen, Marilyn, Points of local nonconvexity and finite unions of convex sets, Can. J. Math. 27 (1975), 376383.Google Scholar
2. Guay, Merle D. and Kay, David C., On sets having finitely many points of local nonconvexity and property Pm, Israel J. Math. 10 (1971), 196209.Google Scholar
3. Lawrence, J. F., Hare, W. R., and Kenelly, John W., Finite unions of convex sets, Proc. Amer. Math. Soc. 34 (1972), 225228.Google Scholar
4. Valentine, F. A., Convex sets (McGraw-Hill, New York, 1964).Google Scholar
5. Valentine, F. A., Local convexity and Ln sets, Proc. Amer. Math. Soc. 16 (1965), 13051310.Google Scholar
6. Valentine, F. A., A three p0ini convexity property, Pacific J. Math. 7 (1957), 12271235.Google Scholar