Note about sequences of extrema \((A,2B)\)-edge coloured trees

Urszula Bednarz, Iwona Włoch

Abstract


In this paper we determine successive extremal trees with respect to the number of all \((A,2B)\)-edge colourings.

Keywords


Edge colouring; trees; Fibonacci numbers; telephone numbers

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References


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DOI: http://dx.doi.org/10.17951/a.2017.71.2.17
Data publikacji: 2017-12-18 20:31:31
Data złożenia artykułu: 2017-12-16 17:27:47

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Copyright (c) 2017 Urszula Bednarz, Iwona Włoch