TY - JOUR ID - Ryjáček2010 LB - Ryjáček2010 AU - Ryjáček, Zdeněk AU - Zamfirescu, Carol T. TI - Research problems from the 18th workshop ‘3in1’ 2009 (edited by Mariusz Meszka) ST - Research problems from the 18th workshop ‘3in1’ 2009 (edited by Mariusz Meszka) JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2010 VL - 30 IS - 4 SP - 527 EP - 532 DO - http://dx.doi.org/10.7494/OpMath.2010.30.4.527 UR - http://dx.doi.org/10.7494/OpMath.2010.30.4.527 AB - A collection of open problems that were posed at the 18th Workshop ‘3in1’, held on November 26-28, 2009 in Krakow, Poland. The problems are presented by Zdenek Ryjacek in "Does the Thomassen's conjecture imply N=NP?" and "Dominating cycles and hamiltonian prisms", and by Carol T. Zamfirescu in "Two problems on bihomogeneously traceable digraphs". KW - Hamilton-connected graph KW - hamiltonian graph KW - dominating cycle KW - bihomogeneously traceble graph SN - 1232-9274 ER -