Green, Edward L. The work of Roberto Martínez-Villa. (English) Zbl 1160.16300 de la Peña, José A. (ed.) et al., Algebraic structures and their representations. Proceedings of ‘XV coloquio Latinoamericano de álgebra’, Cocoyoc, Morelos, México, July 20–26, 2003. Providence, RI: American Mathematical Society (AMS) (ISBN 0-8218-3630-7/pbk). Contemporary Mathematics 376, 49-59 (2005). This is an expository article on Roberto Martínez-Villa’s contributions to representation theory. The author has chosen four topics to discuss in more detail. These are: stable equivalences, coverings, Koszul algebras, and dominant dimension.For the entire collection see [Zbl 1067.16001]. MSC: 16-03 History of associative rings and algebras 01A70 Biographies, obituaries, personalia, bibliographies 16G10 Representations of associative Artinian rings 16G70 Auslander-Reiten sequences (almost split sequences) and Auslander-Reiten quivers 16S37 Quadratic and Koszul algebras 01A60 History of mathematics in the 20th century Keywords:bibliography Biographic References: Martínez-Villa, R. PDFBibTeX XMLCite \textit{E. L. Green}, Contemp. Math. 376, 49--59 (2005; Zbl 1160.16300)