Self-invariant 1-factorizations of complete graphs and finite Bol loops of exponent 2.
Self-orthogonal cyclic n-quasigroups.
Self-orthogonal cyclic n-quasigroups. (Short Communication).
Self-pseudoprojective completely decomposable Abelian groups.
Self-similar Lie algebras
We give a general definition of branched, self-similar Lie algebras, and show that important examples of Lie algebras fall into that class. We give sufficient conditions for a self-similar Lie algebra to be nil, and prove in this manner that the self-similar algebras associated with Grigorchuk’s and Gupta–Sidki’s torsion groups are nil as well as self-similar.We derive the same results for a class of examples constructed by Petrogradsky, Shestakov and Zelmanov.
Self-small products of abelian groups
Let and be two abelian groups. The group is called -small if the covariant functor commutes with all direct sums and is self-small provided it is -small. The paper characterizes self-small products applying developed closure properties of the classes of relatively small groups. As a consequence, self-small products of finitely generated abelian groups are described.
Semiaffinitäten von Gruppen.
Semi-automorphisms of transformation semigroups
Semi-Characters of the Multiplicative Semigroup of Integers Modulo
Semicomplete nilpotent products of groups
Semicomplete one-relator groups
Semidirect products and wreath products of strongly -inverse monoids.
Semidirectly closed pseudovarieties of locally trivial semigroups.
Semi-Extraspezielle p-Gruppen.
Semigroup algebras of finite representation type.
Semigroup representations of commutative idempotent Abelian groupoids
Semigroup representations of medial groupoids
Semigroup ring construction of Frobenius extensions.
Semigroup theoretical approach to normal ideals
Semigroup varieties of inflations of unions of groups.