Gorenstein rings and irreducible parameter ideals
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Given a Noetherian local ring (R,m) it is shown that there exists an integer l such that R is Gorenstein if and only if some system of parameters contained in m^l generates an irreducible ideal. We obtain as a corollary that R is Gorenstein if and only if every power of the maximal ideal contains an irreducible parameter ideal.
9 pages; submitted; Replacement: Coauthor H. Sakurai added, reference to work of J. R. Strooker added, introduction shortened
9 pages; submitted; Replacement: Coauthor H. Sakurai added, reference to work of J. R. Strooker added, introduction shortened