Перегляд Algebra and Discrete Mathematics, 2005, № 4 за назвою

Результати 4-7 з 7

Normal functors in the coarse category

Frider, V. (Algebra and Discrete Mathematics, 2005)

We define the canonical coarse structure on the spaces of the form FX, where F is a finitary normal functor of finite degree and show that every finitary (i.e., preserving the class of finite spaces) normal functor of ...
Presentations and word problem for strong semilattices of semigroups

Ayık, G.; Ayık, H.; Unlu, Y. (Algebra and Discrete Mathematics, 2005)

Let I be a semilattice, and Si (i ∈ I) be a family of disjoint semigroups. Then we prove that the strong semilattice S = S[I, Si , φj,i] of semigroups Si with homomorphisms φj,i : Sj → Si (j ≥ i) is finitely presented ...
Recurrence sequences over residual rings

Sanchez, S.; Criado, R.; Vega, C. (Algebra and Discrete Mathematics, 2005)

In this work we are carried out an algebraic study of the congruential lineal generator. The obtained results make possible several combinatorial approaches that improve significantly the period length and their behavior.
Rings which have (m,n)-flat injective modules

Zhanmin, Z.; Zhangsheng, X. (Algebra and Discrete Mathematics, 2005)

A ring R is said to be a left IF − (m, n) ring if every injective left R-module is (m, n)-flat. In this paper, several characterizations of left IF − (m, n) rings are investigated, some conditions under which R is left ...

Результати 4-7 з 7

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