- #1
jostpuur
- 2,116
- 19
If [itex]G\subset \textrm{End}(V)[/itex], and [itex]W\subset V[/itex] is a subspace of a vector space V, and somebody says "G leaves W stable", does it mean [itex]GW=W[/itex] or [itex]GW\subset W[/itex] or something else?