On Stably free modules over Laurent polynomial rings

Details On Stably free modules over Laurent polynomial rings On Stably free modules over Laurent polynomial rings

2010-12-16

arxiv.org/abs/1012.3540v1

Proceedings of the AMS, 2010

Mathematics

Commutative Algebra

8

Scientific paper

We prove constructively that for any finite-dimensional commu- tative ring R,
every stably free module over R[X;X^{1}] of rank > dim R is free, i.e.,
R[X;X^{-1}] is (dimR)-Hermite.

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