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Summary:
In this paper applications of polar graphs to problems of shunting of trains are studied. The concept of a polar graph was introduced by F. Zítek at the Conference on Graph Theory at Štiřín in May 1972.
References:
[1] J. Černý: Applications of the graph theory in the railway traffic. (Aplikácie teorie grafov v železničnej dopravě.) Lecture at the Conference on Graph Theory at Štiřín in May 1972.
[2] O. Ore: Theory of Graphs. Providence 1962. MR 0150753 | Zbl 0105.35401
[3] B. Zelinka: Isomorphisms of polar and polarized graphs. Czech. Math. J. (to appear). MR 0498288 | Zbl 0341.05121
[4] B. Zelinka: Analoga of Menger's Theorem for polar and polarized graphs. Czech. Math. J. (to appear). Zbl 0341.05122
[5] F. Zítek: Polarized graphs. (Polarisované grafy.) Lecture at the Conference on Graph Theory at Štiřín in May 1972.
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