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A combinatorial property of points and ellipsoids

✍ Scribed by I. Bárány; D. G. Larman


Publisher
Springer
Year
1990
Tongue
English
Weight
373 KB
Volume
5
Category
Article
ISSN
0179-5376

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We say that a semigroup S has property P.\* , n > 2, if, given elements xi. , x, of S, at least two of the n! products of these elements coincide. In a recent paper, Restivo considered the Fibonacci semigroup (i.e. the Rees quotient of (a, h}+ by the ideal of nonfactors of the well-known infinite Fi