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Currently displaying 1 – 2 of 2

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Ideal extensions of graph algebras

Karla Čipková — 2006

Czechoslovak Mathematical Journal

Let $𝒜$ and $ℬ$ be graph algebras. In this paper we present the notion of an ideal in a graph algebra and prove that an ideal extension of $𝒜$ by $ℬ$ always exists. We describe (up to isomorphism) all such extensions.

Graph homomorphisms of partial monounary algebras

Karla Čipková; Danica Jakubíková-Studenovská — 2005

Mathematica Slovaca

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