Mathematics, Department of
Department of Mathematics: Faculty Publications
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Document Type
Article
Date of this Version
2017
Citation
Published in Journal of Algebra, 491, 343-356, 2017.
Abstract
For an associative ring R, the projective level of a complex F is the smallest number of mapping cones needed to build F from projective R modules. We establish lower bounds for the projective level of F in terms of the vanishing of homology of F. We then use these bounds to derive a new version of The New Intersection Theorem for level when R is a commutative Noetherian local ring.
COinS
Comments
Copyright 2017 Elsevier Inc.
http://dx.doi.org/10.1016/j.jalgebra.2017.08.013