相关期刊:《Algebra Colloquium》《Chinese Annals of Mathematics,Series B》《Communications in Mathematics and Statistics》《Acta Mathematica Sinica,English Series》更多>>
supported by the NNSF of China(No.12171126,11961017);supported by Ministry of Education of the Republic of Belarus(grant 20211328);supported by the BRFFR(grant F20R-291).
Throughout this paper,all groups are finite and G always denotes a finite group;σis some partition of the set of all primes P.A group G is said to beσ-primary if G is aπ-group for someπ∈σ.Aπ-semiprojector of G[...