Research problems from the 18th Workshop '3in1' 2009
Zdeněk Ryjáček, Carol T. Zamfirescu · Opuscula Mathematica · 2010
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".