Expansions of abelian categories

Details Expansions of abelian categories Expansions of abelian categories

2010-09-17

arxiv.org/abs/1009.3456v1

Mathematics

Representation Theory

14 pages

Scientific paper

Expansions of abelian categories are introduced. These are certain functors
between abelian categories and provide a tool for induction/reduction
arguments. Expansions arise naturally in the study of coherent sheaves on
weighted projective lines; this is illustrated by various applications.

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