1. Ideal extensions of graph algebras
- Creator:
- Čipková, Karla
- Format:
- bez média and svazek
- Type:
- model:article and TEXT
- Subject:
- oriented graph, graph (Shallon) algebra, congruence relation, ideal, quotient graph algebra, and ideal extension
- Language:
- English
- Description:
- Let $\mathcal A$ and $\mathcal B$ be graph algebras. In this paper we present the notion of an ideal in a graph algebra and prove that an ideal extension of $\mathcal A$ by $\mathcal B$ always exists. We describe (up to isomorphism) all such extensions.
- Rights:
- http://creativecommons.org/publicdomain/mark/1.0/ and policy:public