mdevos

TypePostAuthorRepliesLast post
Open problemHedetniemi's Conjecture mdevos47 years 31 weeks ago
Open problemGoldberg's conjecture mdevos27 years 38 weeks ago
categorygraph invariant mdevos07 years 48 weeks ago
categorycospectral mdevos07 years 48 weeks ago
Open problemAre almost all graphs determined by their spectrum? mdevos07 years 48 weeks ago
categoryexpander mdevos07 years 49 weeks ago
categoryeigenvalue mdevos07 years 49 weeks ago
categorysigned graph mdevos07 years 49 weeks ago
categorysigning mdevos07 years 49 weeks ago
categoryRamanujan graph mdevos07 years 49 weeks ago
Open problemSigning a graph to have small magnitude eigenvalues mdevos07 years 49 weeks ago
categoryBilu, Yonatan mdevos07 years 49 weeks ago
Open problemGraham's conjecture on tree reconstruction mdevos58 years 6 weeks ago
Open problemColoring the Odd Distance Graph mdevos88 years 49 weeks ago
Open problemTriangle free strongly regular graphs mdevos39 years 1 week ago
Open problemCycle double cover conjecture mdevos39 years 3 weeks ago
Open problem4-regular 4-chromatic graphs of high girth mdevos29 years 4 weeks ago
Open problemPetersen coloring conjecture mdevos29 years 14 weeks ago
Open problemCharacterizing (aleph_0,aleph_1)-graphs mdevos29 years 14 weeks ago
Open problemThe Berge-Fulkerson conjecture mdevos99 years 14 weeks ago
Open problemTwin prime conjecture kaushiks.nitt59 years 14 weeks ago
Open problemCores of strongly regular graphs mdevos19 years 19 weeks ago
Open problemWhat is the largest graph of positive curvature? mdevos29 years 26 weeks ago
Open problemSnevily's conjecture mdevos19 years 40 weeks ago
Open problem3-flow conjecture mdevos19 years 46 weeks ago