Integrality gap of the hypergraphic relaxation of Steiner trees: A short proof of a 1.55 upper bound

Deeparnab Chakrabarty, Jochen Könemann, David Pritchard. Integrality gap of the hypergraphic relaxation of Steiner trees: A short proof of a 1.55 upper bound. Oper. Res. Lett., 38(6):567-570, 2010. [doi]

Abstract

Abstract is missing.