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On a representation of the fundamental class of an ideal due to Lejeune-Jalabert

Elizabeth Wulcan (Institutionen för matematiska vetenskaper, matematik)
(2013)
[Preprint]

Lejeune-Jalabert showed that the fundamental class of a Cohen-Macaulay ideal $\a\subset \Ok_0$ admits a representation as a residue, constructed from a free resolution of $\a$, multiplied by a certain differential form coming from the resolution. We give an explicit description of this differential form in the case when the free resolution is the Scarf resolution of a generic monomial ideal. As a consequence we get a new proof and a refinement of Lejeune-Jalabert's result in this case.



Denna post skapades 2013-12-04. Senast ändrad 2016-04-28.
CPL Pubid: 188358

 

Institutioner (Chalmers)

Institutionen för matematiska vetenskaper, matematik (2005-2016)

Ämnesområden

Matematik

Chalmers infrastruktur