3-connected Planar Graph Isomorphism is in Log-space.

Samir Datta Nutan Limaye Prajakta Nimbhorkar 3-connected Planar Graph Isomorphism is in Log-space. 2008 FSTTCS http://drops.dagstuhl.de/opus/volltexte/2008/1749 conf/fsttcs/2008 db/conf/fsttcs/fsttcs2008.html#DattaLN08