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math.AC2007
On the Frobenius functor and colon ideals
Wenliang Zhang
In this paper we study the commutativity of the Frobenius functor and the colon operation of two ideals for Noetherian rings of positive characteristic . New characterizations o…
math.AC2007
On Lyubeznik numbers of projective schemes
Wenliang Zhang
Let be an arbitrary projective scheme over a field . Let be the local ring at the vertex of the affine cone for some embedding . G. L…
math.AC2007★ 4 cited
On the discreteness and rationality of F-jumping coefficients
Mordechai Katzman, Gennady Lyubeznik, Wenliang Zhang
This paper studies the jumping coefficients of principal ideals of regular local rings. Recently M. Blickle, M. Mustata and K. Smith showed that, when is of essentially finite…