Abstract
In this paper, we will consider the Wiener index for a class of trees that is connected to partitions of integers. Our main theorem is the fact that every integer \(\geq 470\) is the Wiener index of a member of this class. As a consequence, this proves a conjecture of Lepović and Gutman. The paper also contains extremal and average results on the Wiener index of the studied class.
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Diestel, R.: Graph theory. Volume 173 of Graduate Texts in Mathematics, 2nd edn. Springer, Berlin Heidelberg New York (2000)
Dobrynin, A.A., Entringer, R., Gutman, I.: Wiener index of trees: Theory and applications. Acta Appl. Math. 66(3), 211–249 (2001)
Gutman, I., Rada, J., Araujo, O.: The Wiener index of starlike trees and a related partial order. Match (42), 145–154. Partial orderings in chemistry (2000)
Kessler, I., Livingston, M.: The expected number of parts in a partition of \(n\). Monatsh. Math. 81(3), 203–212 (1976)
Knopfmacher, A., Tichy, R.F., Wagner, S., Ziegler, V.: Graphs, partitions and Fibonacci numbers. Submitted to Discrete Applied Mathematics (2004)
Lepović, M., Gutman, I.: A collective property of trees and chemical trees. J. Chem. Inf. Comput. Sci. 38, 823–826 (1998)
Newman, D.J.: A simplified proof of the partition formula. Mich. Math. J. 9, 283–287 (1962)
Rademacher, H.: On the expansion of the partition function in a series. Ann. Math. 44(2), 416–422 (1943)
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This work was supported by Austrian Science Fund project no. S-8307-MAT.
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Wagner, S.G. A Class of Trees and its Wiener Index. Acta Appl Math 91, 119–132 (2006). https://doi.org/10.1007/s10440-006-9026-5
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DOI: https://doi.org/10.1007/s10440-006-9026-5