ON MINIMAL SUBGROUP COVERINGS OF SOME AFFINE PRIMITIVE PERMUTATION GROUPS
2010 ◽
Vol 09
(06)
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pp. 985-987
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Keyword(s):
A cover for a group G is a collection of proper subgroups of G whose union is G. Cohn defined σ(G) to be the least integer m such that G is the union of m proper subgroups. Determining σ is an open problem for most non-solvable groups. We obtain σ(G) for some affine primitive groups.
Keyword(s):
2005 ◽
Vol 79
(1)
◽
pp. 95-112
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Keyword(s):
2020 ◽
Vol 63
(4)
◽
pp. 1071-1091
2015 ◽
Vol 102
(1)
◽
pp. 20-33
1988 ◽
Vol 103
(2)
◽
pp. 213-238
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Keyword(s):