- triply transitive graph
- трёхкратно транзитивный граф
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Group action — This article is about the mathematical concept. For the sociology term, see group action (sociology). Given an equilateral triangle, the counterclockwise rotation by 120° around the center of the triangle acts on the set of vertices of the… … Wikipedia