theorem
WrittenOnTheWallII.GraphConjecture58.conjecture58
{α : Type u_1}
[Fintype α]
[DecidableEq α]
[Nontrivial α]
(G : SimpleGraph α)
(hG : G.Connected)
:
WOWII Conjecture 58
For a connected graph G, the size f(G) of a largest induced forest satisfies
f(G) ≥ ceil( b(G) / average l(v) ) where b(G) is the largest induced
bipartite subgraph and l(v) is the independence number of G.neighborSet v.