Now showing items 21-24 of 24

    • Geodesic graphs 

      Grinbergs, Emanuels (2013-12-17)
      In the article, written in Russian, geodesic graphs, graphs with unique shortest path between every two vertices, are considered. Geodesic graphs are trees, odd cycles, and nontrivial example, the graph of Petersen. ...
    • 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 ...
    • 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 ...
    • Motives for reflections. Part one 

      Grinbergs, Emanuels (2013-12-12)
      Facsimile of 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 1973.