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Listar por autor "Nešetřil, Jaroslav"  

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      Contractors for flows 

      Garijo Royo, Delia; Goodall, Andrew; Nešetřil, Jaroslav (Elsevier, 2011)
      We answer a question raised by Lovász and B. Szegedy [Contractors and connectors in graph algebras, J. Graph Theory 60:1 ...
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      Distinguishing graphs by their left and right homomorphism profiles 

      Garijo Royo, Delia; Goodall, Andrew; Nešetřil, Jaroslav (Elsevier, 2011)
      We introduce a new property of graphs called ‘q-state Potts unique-ness’ and relate it to chromatic and Tutte uniqueness, ...