Zobrazeno 1 - 2
of 2
pro vyhledávání: '"extremal problems, finite sets."'
Autor:
Roberts, Ian T.
This thesis considers three related structures on finite sets and outstanding conjectures on two of them. Several new problems and conjectures are stated.A union-closed collection of sets is a collection of sets which contains the union of each pair
Autor:
Reidys, Christian M.1 reidys@nankai.edu.cn
Publikováno v:
Discrete Mathematics. May2009, Vol. 309 Issue 10, p3113-3124. 12p.