locally approximable function

  • 1Graph coloring — A proper vertex coloring of the Petersen graph with 3 colors, the minimum number possible. In graph theory, graph coloring is a special case of graph labeling; it is an assignment of labels traditionally called colors to elements of a graph… …

    Wikipedia

  • 2Renato Caccioppoli — (pronounced|katˈtʃɔpːoli) (20 January, 1904 – 8 May, 1959) was a noted Italian mathematician.BiographyBorn in Naples, Italy, he was the son of Giuseppe Caccioppoli (1852 1947), a noted Neapolitan surgeon, and his second wife Sofia Bakunin (1870… …

    Wikipedia