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A note on complete sets and transitive closure

โœ Scribed by Ronald V. Book; Celia Wrathall


Publisher
Springer
Year
1981
Tongue
English
Weight
164 KB
Volume
15
Category
Article
ISSN
1433-0490

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๐Ÿ“œ SIMILAR VOLUMES


A Note on Transitive Equivalence
โœ John Hickman ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 288 KB
A note on infinite transitive graphs
โœ Norbert Seifter ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 250 KB

In [4] Jung and Watkins proved that for a connected infinite graph X either rยฎ(X) = oo holds or X is a strip, if Aut(X) contains a transitive abelian subgroup G. Here we prove the same result under weaker assumptions.

A Note on Difference Sets
โœ Hikoe Enomoto; Mariko Hagita; Makoto Matsumoto ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 234 KB

Let D be a (v, k, \*)-difference set in a group G. Assume that G has a normal subgroup N such that Gร‚N is cyclic or nearly cyclic. Under the self-conjugacy assumption on exp(Gร‚N), we shall give bounds on |N| and \*. The theorem is applicable to a wider variety of parameters for groups, not necessari