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

Abstract

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

Authors and Affiliations

Urszula Bednarz, Iwona Włoch

Keywords

Related Articles

On the Courant bracket on couples of vector fields and p-forms

If m >= p+1 >= 2 (or m = p >= 3), all natural bilinear operators A transforming pairs of couples of vector fields and p-forms on m-manifolds M into couples of vector fields and p-forms on M are described. It is observed...

A survey of a selection of methods for determination of Koebe sets

In this article we take over methods for determination of Koebe set based on extremal sets for a given class of functions.

Generalized trend constants of Lipschitz mappings

In 2015, Goebel and Bolibok defined the initial trend coefficient of a mapping and the class of initially nonexpansive mappings. They proved that the fixed point property for nonexpansive mappings implies the fixed point...

An existence and approximation theorem for solutions of degenerate nonlinear elliptic equations

The main result establishes that a weak solution of degenerate nonlinear elliptic equations can be approximated by a sequence of solutions for non-degenerate nonlinear elliptic equations.

On generalized Mersenne numbers, their interpretations and matrix generators

In this paper we introduce generalized Mersenne numbers. We shall present some of their interpretations and matrix generators which are very useful for determining identities.

Download PDF file
  • EP ID EP305588
  • DOI 10.17951/a.2017.71.2.17
  • Views 128
  • Downloads 0

How To Cite

Urszula Bednarz, Iwona Włoch (2017). Note about sequences of extrema (A,2B)-edge coloured trees. Annales Universitatis Mariae Curie-Skłodowska. Sectio A, Mathematica, 71(2), 17-23. https://europub.co.uk/articles/-A-305588