Extends coincidence of β_c and ḃ_c to general environments and walks, and proves β_c = 0 iff L²-critical point is trivial.
Directed polymers in random environment are diffusive at weak disorder
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Coincidence of critical points for directed polymers for general environments and random walks
Extends coincidence of β_c and ḃ_c to general environments and walks, and proves β_c = 0 iff L²-critical point is trivial.