2 problems

Non-eliminability conjecture for a vertex orbit in a graph of $\mathbb{Z}^2$
A graph of $\mathbb{Z}^2$ has two vertex orbits whose stabilizers satisfy the relevant inclusion, with the first orbit intended for elimination by a sequence of moves. Non-eliminab…
Conjectureopengeometric-group-theory graph-of-groups jsj-decompositions
0
The amalgamated graph conjecture for representing graphs of graphs
Amalgamated graph conjecture. The right-hand side of this equality is nonnegative.
Conjectureopenfree-groups graph-of-groups hanna-neumann-conjecture
0

Non-eliminability conjecture for a vertex orbit in a graph of Z2\mathbb{Z}^2Z2