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Improved Approximation Algorithm for k-level Uncapacitated Facility Location Problem (with Penalties)., , and . Theory Comput. Syst., 58 (1): 19-44 (2016)Better Bounds for Online Line Chasing., , , , , and . MFCS, volume 138 of LIPIcs, page 8:1-8:13. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, (2019)An Improved Approximation for k-median, and Positive Correlation in Budgeted Optimization., , , , and . SODA, page 737-756. SIAM, (2015)New Algorithms for Approximate Nash Equilibria in Bimatrix Games., , and . WINE, volume 4858 of Lecture Notes in Computer Science, page 17-29. Springer, (2007)An Optimal Bifactor Approximation Algorithm for the Metric Uncapacitated Facility Location Problem.. APPROX-RANDOM, volume 4627 of Lecture Notes in Computer Science, page 29-43. Springer, (2007)Drawing (Complete) Binary Tanglegrams: Hardness, Approximation, Fixed-Parameter Tractability, , , , , , and . Arxiv report, (June 2008)Available at http://arxiv.org/abs/0806.0920.Approximating Node-Weighted k-MST on Planar Graphs., , and . Theory Comput. Syst., 64 (4): 626-644 (2020)The approximation gap for the metric facility location problem is not yet closed., and . Oper. Res. Lett., 35 (3): 379-384 (2007)Improved LP-Rounding Approximation Algorithm for k-level Uncapacitated Facility Location., and . ICALP (1), volume 7391 of Lecture Notes in Computer Science, page 157-169. Springer, (2012)Parameterized Approximation Schemes for Clustering with General Norm Objectives., , , , , , , , and . FOCS, page 1377-1399. IEEE, (2023)