A remark to "A note on the Fundamental Group of a Triangular Algebra", by F.Xu

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/225892We provide a counter-example to Proposition 3.2 of "A note on the Fundamental Group of a Triangular Algebra", by F.Xu.2 pages. This note will not be submitted for publication in any other journalRings and Algebras16G20A remark to "A note on the Fundamental Group of a Triangular Algebra", by F.Xutext