TY - CONF T1 - On the equivalence of the bidirected and hypergraphic relaxations for steiner tree JO - Leibniz International Proceedings in Informatics Lipics PY - 2014/09/01 AU - Feldmann AE AU - Könemann J AU - Olver N AU - Sanità L ED - DO - DOI: 10.4230/LIPIcs.APPROX-RANDOM.2014.176 VL - 28 SP - 176 EP - 191 Y2 - 2025/12/07 ER -