Related Tags
groupoids × 156ct.category-theory × 58
at.algebraic-topology × 26
reference-request × 16
homotopy-theory × 15
stacks × 15
higher-category-theory × 14
dg.differential-geometry × 13
oa.operator-algebras × 12
gn.general-topology × 11
c-star-algebras × 11
noncommutative-geometry × 10
ag.algebraic-geometry × 9
gr.group-theory × 9
lie-groupoids × 8
topos-theory × 7
lie-groups × 5
simplicial-stuff × 5
fa.functional-analysis × 4
infinity-categories × 4
big-picture × 4
principal-bundles × 4
limits-and-colimits × 4
fundamental-group × 4
monads × 4
