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TypeTitleAuthorRepliesLast Post
Open problemKriesell's Conjecture Jon Noel012 years 16 weeks ago
categorymaximum clique Anonymous012 years 16 weeks ago
Open problem2-colouring a graph without a monochromatic maximum clique Jon Noel012 years 16 weeks ago
categorydistributive lattice Anonymous012 years 16 weeks ago
categoryZFC Anonymous012 years 16 weeks ago
categoryaxiom of choice Anonymous012 years 16 weeks ago
Open problemDistributivity of a lattice of funcoids is not provable without axiom of choice porton012 years 16 weeks ago
categoryreverse math Anonymous012 years 16 weeks ago
categoryreverse mathematics Anonymous012 years 16 weeks ago
categoryZF Anonymous012 years 16 weeks ago
categoryHaythorpe, Michael Anonymous012 years 16 weeks ago
categoryHamiltonian, Bridge, 3-regular, 1-connected Anonymous012 years 16 weeks ago
Open problemAlmost all non-Hamiltonian 3-regular graphs are 1-connected mhaythorpe012 years 16 weeks ago
Open problemErdős–Faber–Lovász conjecture Jon Noel012 years 16 weeks ago
categoryFaber, Vance Anonymous012 years 16 weeks ago
Open problemAre there only finite Fermat Primes? kurtulmehtap012 years 17 weeks ago
Open problemAre all Fermat Numbers square-free? kurtulmehtap012 years 17 weeks ago
categorySend Rakhi to USA Anonymous012 years 18 weeks ago
categoryfour colour theorem Anonymous012 years 21 weeks ago
Open problemDifference between neighbors in a matrix Vadim Lioubimov412 years 21 weeks ago
Open problemChoosability of Graph Powers Jon Noel012 years 22 weeks ago
categoryNike Free Run,Nike Free,Nike Free Run 3,Nike Shoes Running,air max 2012 uk,air max 90 uk,nike free run <br><br>3,nike free run 2,cheap air max 87,air max 2011 uk,nike free run,nike free 3.0 v3,nike lunar eclipse,nike free run 2 womens,nike free tr2,Nike A Anonymous012 years 25 weeks ago
categoryNike Free Run,Nike Free,Nike Free Run 3,Nike Shoes Running,air max 2012 uk,air max 90 uk,nike free run <br><br>3,nike free run 2,cheap air max 87,air max 2011 uk,nike free run,nike free 3.0 v3,nike lunar eclipse,nike free run 2 womens,nike free tr2,Nike A Anonymous012 years 25 weeks ago
categorydirected path fhavet012 years 25 weeks ago
Open problemErdős-Posa property for long directed cycles fhavet012 years 25 weeks ago