1. Computing the greedy spanner in near-quadratic time;Bose,2008
2. NP-completeness results for minimum planar spanners;Brandes;Discrete Math. Theor. Comput. Sci.,1998
3. Tree spanners;Cai;SIAM J. Discrete Math.,1995
4. New sparseness results on graph spanners;Chandra;Int. J. Comput. Geom. Appl.,1995
5. Computing a minimum-dilation spanning tree is NP-hard;Cheong;Comput. Geom. Theory Appl.,2008