Ken-ichi Kawarabayashi, Anastasios Sidiropoulos. Embeddings of Planar Quasimetrics into Directed ℓ1 and Polylogarithmic Approximation for Directed Sparsest-Cut. In 62nd IEEE Annual Symposium on Foundations of Computer Science, FOCS 2021, Denver, CO, USA, February 7-10, 2022. pages 480-491, IEEE, 2021. [doi]
Abstract is missing.