substack

From sub- +‎ stack .

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 ${\displaystyle {\bar {\mathcal {M}}}_{g}}${\displaystyle {\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..

• sackbuts , subtacks

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