Neumann conjecture on intersections of subgroups of free groups

E2170344 UNEXPLORED

The Neumann conjecture on intersections of subgroups of free groups is a statement in combinatorial group theory that proposes a sharp upper bound on the rank of the intersection of two finitely generated subgroups of a free group in terms of their individual ranks.

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Hanna Neumann notableFor Neumann conjecture on intersections of subgroups of free groups