. "10.1016/j.jctb.2010.12.002" . . "3"^^ . . "Journal of Combinatorial Theory. Series B" . . . "1"^^ . "sequences; crossing; behaviour; Unexpected"@en . . "101" . "Unexpected behaviour of crossing sequences" . "\u0160\u00E1mal, Robert" . . "The nth crossing number of a graph G, denoted cr(n)(G), is the minimum number of crossings in a drawing of G on an orientable surface of genus n. We prove that for every a } b } 0, there exists a graph G for which cr(0)(G) = a, cr(1)(G) = b, and cr(2)(G) = 0. This provides support for a conjecture of Archdeacon et al. and resolves a problem of Salazar."@en . . . "236810" . . "http://dx.doi.org/10.1016/j.jctb.2010.12.002" . . "000294972800004" . "The nth crossing number of a graph G, denoted cr(n)(G), is the minimum number of crossings in a drawing of G on an orientable surface of genus n. We prove that for every a } b } 0, there exists a graph G for which cr(0)(G) = a, cr(1)(G) = b, and cr(2)(G) = 0. This provides support for a conjecture of Archdeacon et al. and resolves a problem of Salazar." . "DeVos, Matt" . "Unexpected behaviour of crossing sequences"@en . "RIV/00216208:11320/11:10100999" . . "[9DD4AEDC7A33]" . . . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . . . "0095-8956" . "Mohar, Bojan" . . "Unexpected behaviour of crossing sequences" . "Unexpected behaviour of crossing sequences"@en . "6" . "11320" . . . . "RIV/00216208:11320/11:10100999!RIV12-GA0-11320___" . "P(1M0545), P(GPP201/10/P337), Z(MSM0021620838)" . "16"^^ .