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math.AC2011
Variation of the first Hilbert coefficients of parameters with a common integral closure
L. Ghezzi, S. Goto, J. Hong +3
A problem posed by Wolmer V. Vasconcelos on the variation of the first Hilbert coefficients of parameter ideals with a common integral closure in a local ring is studied. Affirmati…
math.AC2011★ 4 cited
Almost Gorenstein rings
Shiro Goto, Naoyuki Matsuoka, Tran Thi Phuong
The notion of almost Gorenstein ring given by Barucci and Fr{ö}berg \cite{BF} in the case where the local rings are analytically unramified is generalized, so that it works well al…