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IDENTITIES FOR COMBINATORIAL EXTREMAL THEORY

Published online by Cambridge University Press:  01 November 1997

T. D. THU
T. D. THU
Affiliation:
Mathematics Department, 227 Nguyen van Cu, University of HoChiMinh City, Vietnam
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Abstract

Let Ω be the set {1, 2, [ctdot ], n}, and let [emptyv ] be the empty set. Let [Gscr ] be the family of all non-empty sets of subsets of Ω. For [Ascr ]∈[Gscr ] and X⊆Ω, put

formula here

An important discovery is the following.

Type
Research Article
Information
Bulletin of the London Mathematical Society , Volume 29 , Issue 6 , November 1997 , pp. 693 - 696
Copyright
© The London Mathematical Society 1997

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