On the Boolean lattices ofntimes local fitting classes
✍ Scribed by N. N. Vorob′ëv; A. N. Skiba
- Book ID
- 110621297
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 1999
- Tongue
- English
- Weight
- 572 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0037-4466
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📜 SIMILAR VOLUMES
Let X, F, X ⊆ F, be non-trivial Fitting classes of finite soluble groups such that G X is an X-injector of G for all G ∈ F. Then X is said to be normal in F (F-normal). We show that for a subgroup-closed Fitting class X the collection of all subgroup-closed Fitting classes in which X is normal forms
A cutset in the poset 2 [n] , of subsets of [1, ..., n] ordered by inclusion, is a subset of 2 [n] that intersects every maximal chain. Let 0 : 1 be a real number. Is it possible to find a cutset in 2 [n] that, for each 0 i n, contains at most : ( n i ) subsets of size i ? Let :(n) be the greatest l