An algebra group is a group of the form G = 1+J where J = J(A) is the Jacobson radical of a finite-d

In this talk, some aspects of the theory of orthogonal polynomials will be in discussion. The eleme

When Maurits Cornelis Escher started to produce astonishing tesselations of the plane in the late 30

Results concerning chain conditions in rings or, more generally, modules give information about the

We consider the multiplication and differentiation operators x and d/dx, which generate the Weyl alg

Ring epimorphisms are important from a representation-theoretical point of view as they provide a wa

In this talk I will present Galois correspondence between subalgebras of a Hopf Galois extension and

A left R-module M is called morphic if M/im(f) is isomorphic to ker(f), for every endomorphism f of

The depth of a subalgebra B in an algebra A is a number computed by considering tensor powers of mod

We consider rings over which the injective hulls of simple modules are locally Artinian. We will giv