substack

English

Etymology

sub- +‎ stack

Noun

substack (plural substacks)

(mathematics) A subset of a stack
- 2016, Roberto Fringuelli, “The Picard group of the universal moduli space of vector bundles over ${\bar {\mathcal {M}}}_{g}$ ”, in arXiv‎:
  In particular, we give necessary and sufficient conditions for the existence of Poincar\'e bundles over the universal curve of an open substack of the rigidification, generalizing a result of Mestrano-Ramanan..

Anagrams

sackbuts, subtacks

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