recent posts

TypeTitleAuthorRepliesLast Post
Open problemSeymour's Second Neighbourhood Conjecture nkorppi514 years 40 weeks ago
categoryZhicong Lin Anonymous014 years 42 weeks ago
categoryfinite groups Anonymous014 years 43 weeks ago
categoryDeMeo, William Anonymous014 years 43 weeks ago
Open problemWhich lattices occur as intervals in subgroup lattices of finite groups? williamdemeo014 years 43 weeks ago
categoryGeorge BALAN Anonymous014 years 44 weeks ago
Open problemQuartic rationally derived polynomials mdevos114 years 44 weeks ago
Open problemNonseparating planar continuum porton114 years 44 weeks ago
categoryDavid Hilbert Anonymous014 years 46 weeks ago
categoryPaul A. Smith Anonymous014 years 46 weeks ago
Open problemHilbert-Smith conjecture porton014 years 46 weeks ago
categoryfixed point Anonymous014 years 46 weeks ago
categoryCantor set Anonymous014 years 46 weeks ago
categoryAchahboun Chakir Anonymous014 years 47 weeks ago
categoryvisibility graph Anonymous014 years 48 weeks ago
Open problemInequality of complex numbers feanor414 years 50 weeks ago
Open problemtrace inequality Miwa Lin315 years 6 days ago
Open problemReal roots of the flow polynomial mdevos215 years 1 week ago
Open problemExponentially many perfect matchings in cubic graphs mdevos215 years 1 week ago
Open problemHamiltonicity of Cayley graphs tchow415 years 1 week ago
categorycombinatorial geometry, visibility graph Anonymous015 years 1 week ago
categoryfinite algebra Anonymous015 years 2 weeks ago
categorycongruence lattice Anonymous015 years 2 weeks ago
Open problemFinite Lattice Representation Problem williamdemeo015 years 2 weeks ago
Open problemOuter reloid of restricted funcoid porton015 years 3 weeks ago