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    • Rainbow eulerian multidigraphs and the product of cycles 

      López Masip, Susana-Clara; Muntaner Batle, Francesc Antoni (DMTCS, 2016)
      An arc colored eulerian multidigraph with $l$ colors is rainbow eulerian if there is an eulerian circuit in which a sequence of $l$ colors repeats. The digraph product that refers the title was introduced by Figueroa-Centeno ...