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Showing 2009 · math.ACShow all
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math.AC2009
A Note on the Buchsbaum-Rim multiplicity of a parameter module
Futoshi Hayasaka, Eero Hyry
In this article we prove that the Buchsbaum-Rim multiplicity of a parameter module in a free module is bounded above by the colength . Moreover, w…
math.AC2009★ 1 cited
Multigraded rings, diagonal subalgebras, and rational singularities
Kazuhiko Kurano, Ei-ichi Sato, Anurag K. Singh +1
We study the properties of F-rationality and F-regularity in multigraded rings and their diagonal subalgebras. The main focus is on diagonal subalgebras of bigraded rings: these co…