Let X be a G-set and let S ⊂ X. If Gs ⊂ S for all s ∈ S, then S is a sub-G-set. Characterize a sub-G-set of a G-set X in terms of orbits in X under G.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.