Rees algebras of modules and coherent functors

Published 23 Sep 2014 in math.AC and math.AG | (1409.6464v2)

Abstract: We show that several properties of the theory of Rees algebras of modules become more transparent using the category of coherent functors rather than working directly with modules. In particular, we show that the Rees algebra is induced by a canonical map of coherent functors.

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Gustav Sædén Ståhl

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