Autor:	Epstein, Neil, Shapiro, Jay
Rok vydání:	2015
Předmět:	Mathematics - Commutative Algebra 13B21 13F05 13F45
Druh dokumentu:	Working Paper
Popis:	We further develop the notion of perinormality from our last paper, showing that it is preserved by many pullback constructions. In doing so, we introduce the concepts of relative perinormality and fragility for ring extensions. Comment: Major revision. Due to an error in the main theorem of section 3 in version 1, we have reworked the notion of fragility into three potentially separate notions. There are several related new localization results. Several other things in the paper have changed a bit, most notably Corollary 2.6 (also now corrected). 18 pages, comments welcome
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1511.06473 Zobrazit plný text záznamu View this record from Arxiv