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- Umeå UniversitySE5 papers
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Showing math.ACShow all
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math.AC2005
Power series rings and projectivity
R. -O. Buchweitz, H. Flenner
We show that a formal power series ring over a noetherian ring is not a projective module unless is artinian. However, if is local, then $A[[X]…
math.AC2005
Codimension and connectedness of degeneracy loci over local rings
Hubert Flenner, Bernd Ulrich
We deduce results on the dimension and connectedness of degeneracy loci of maps of finite modules over a local noetherian ring . We show for instance…