Browsing B6 – LU institūti un aģentūras / Institutes and agencies of the UL by Subject "combinatorics, graph theory, flower snarks"

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    • Daži trīssakarīgi grafi un to saimes bez Hamiltona cikliem 

      Grinbergs, Emanuels (2013-12-17)
      These manuscripts (in Latvian) contain examples of graphs without Hamiltonian cycles. See the flower snark J5 on the page 13. The date here 1.6.78.

    • Motives for reflections. Part two 

      Grinbergs, Emanuels (2013-12-13)
      Facsimile of a manuscript from the archive of Emanuels Grinbergs, University of Latvia. The article (in three pieces of manuscripts), written in Russian, contains some reflections on graph theory. It may be written in ...

    • Notes in the graph theory. A manuscript (with flower snark J5) 

      Grinbergs, Emanuels (2013-12-13)
      This fragment of manuscripts, written in Latvian, is taken from a hardcover notebook of E.Grinbergs. The date when these notes started 29.7.72 is clearly seen on the first page, on the page 7 the date is 31.8.72, on 10th ...