triangle free

keyword tag · 5 problems

Title Source Status Imp. Posted
Non-edges vs. feedback edge sets in digraphs opg partial ★★★ 2008-07-08
Triangle free strongly regular graphs opg open ★★★ 2007-05-28
Unions of triangle free graphs opg open ★★★ 2007-06-04
Bounding the chromatic number of triangle-free graphs with fixed maximum degree opg open ★★ 2009-04-17
Circular coloring triangle-free subcubic planar graphs opg open ★★ 2007-06-20