Robert Samal

TypePostAuthorRepliesLast post
Open problemr-regular graphs are not uniquely hamiltonian. Robert Samal121 weeks 2 hours ago
Open problemSteinberg's conjecture fhavet15 years 41 weeks ago
Open problem Graceful Tree Conjecture kintali127 years 39 weeks ago
Open problemHedetniemi's Conjecture mdevos48 years 49 weeks ago
forum topicGive us your suggestions! md179 years 35 weeks ago
Open problemCores of Cayley graphs Robert Samal310 years 17 weeks ago
Open problemStar height problem porton110 years 26 weeks ago
forum topicQuestion about 'solving' something niekeaerts310 years 31 weeks ago
Open problemStrong 5-cycle double cover conjecture arthur810 years 31 weeks ago
Open problemPetersen coloring conjecture mdevos210 years 31 weeks ago
Open problemCharacterizing (aleph_0,aleph_1)-graphs mdevos210 years 31 weeks ago
Open problemBarnette's Conjecture Robert Samal110 years 46 weeks ago
Open problemHirsch Conjecture Robert Samal410 years 51 weeks ago
Open problemComplexity of square-root sum abie511 years 1 day ago
Open problemSeymour's Second Neighbourhood Conjecture nkorppi511 years 15 weeks ago
Open problemReal roots of the flow polynomial mdevos211 years 28 weeks ago
Open problemStar chromatic index of complete graphs Robert Samal011 years 32 weeks ago
categorystar coloring Robert Samal011 years 32 weeks ago
categoryedge coloring Robert Samal011 years 32 weeks ago
categoryDvorak, Zdenek Robert Samal011 years 32 weeks ago
Open problemStar chromatic index of cubic graphs Robert Samal011 years 32 weeks ago
Open problemCo-separability of filter objects porton611 years 42 weeks ago
forum topicMaintaining questions in a subject area rybu411 years 42 weeks ago
Open problemThe robustness of the tensor product ormeir412 years 19 weeks ago
Open problemSchanuel's Conjecture Charles312 years 23 weeks ago