Limits of sums of digraph algebras with reduced digraphs having two vertices.

Power, S. C. and Heffernan, D. (1997) Limits of sums of digraph algebras with reduced digraphs having two vertices. International Journal of Mathematics, 8 (1). pp. 61-82. ISSN 1793-6519

Abstract

We obtain a K-theoretic classification of limits of direct sums of 2 × 2 block upper triangular matrix algebras with respect to regular embeddings. An intrinsic characterisation of these algebras is also obtained.