Opuscula Mathematica
Opuscula Math. 30, no. 4 (), 527-532
http://dx.doi.org/10.7494/OpMath.2010.30.4.527
Opuscula Mathematica

Research problems from the 18th workshop ‘3in1’ 2009 (edited by Mariusz Meszka)



Abstract. 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".
Keywords: Hamilton-connected graph, hamiltonian graph, dominating cycle, bihomogeneously traceble graph.
Mathematics Subject Classification: 05C45, 68Q25, 05C38, 05C20.
Cite this article as:
Zdeněk Ryjáček, Carol T. Zamfirescu, Research problems from the 18th workshop ‘3in1’ 2009 (edited by Mariusz Meszka), Opuscula Math. 30, no. 4 (2010), 527-532, http://dx.doi.org/10.7494/OpMath.2010.30.4.527
 
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ISSN 1232−9274, e-ISSN 2300−6919, DOI http://dx.doi.org/10.7494/OpMath
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