substack

English

Etymology

sub- +‎ stack

Noun

substack (plural substacks)

1. (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^[1]:

     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