Ringel–Hall algebras of hereditary pure semisimple coalgebras
Volume 115 / 2009
Colloquium Mathematicum 115 (2009), 65-85
MSC: 16G20, 16W10, 16W30, 16G60.
DOI: 10.4064/cm115-1-7
Abstract
We define and investigate Ringel–Hall algebras of coalgebras (usually infinite-dimensional). We extend Ringel's results [Banach Center Publ. 26 (1990) and Adv. Math. 84 (1990)] from finite-dimensional algebras to infinite-dimensional coalgebras.
