Let T(n,R) be the Lie algebra consisting of all n × n upper triangular matrices over a commutative ring R with identity 1 and M be a 2-torsion free unital
Let G be a finite group and K a field of characteristic zero.It is well-known that if K is a splitting field for G,then G is abelian if and only if any irreduci
A right adequate semigroup of type F is defined as a right adequate semigroup which is an F-rpp semigroup.A right adequate semigroup T of type F is called an F-