A polynomial-time approximation scheme for Steiner tree in planar graphs

July 4, 2009

Glencora Borradaile, Philip Klein and Claire Mathieu

We give a Polynomial-Time Approximation Scheme (PTAS) for the Steiner tree problem in planar graphs. The running time is O(n log n).

ACM Transactions on Algorithms (special issue for SODA 2007), 5(3), 2009.

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