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OALib Journal期刊
ISSN: 2333-9721
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Kaleidoscopical graphs and semigroups

Keywords: graphs , semigroups

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Abstract:

We give a semigroup characterization of kaleidoscopical graphs. A connected graph Г (considered as a metric space with the path metric) is called kaleidoscopical if there is a vertex coloring of Г which is bijective on each unit ball.

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