Articles
Some New Families of Integral Trees with Diameters 4 and 6

https://doi.org/10.1016/S1571-0653(05)80096-4Get rights and content

Abstract

In this paper, some new families of integral trees with diameters 4 and 6 are given. Most of these classes are infinite. They are different from those in existing literatures. The discovery of these integral trees is a new contribution to the search of such trees.

References (21)

  • M. Capobianco et al.

    A collection of open problems, Annals New York Academy of Sciences

    (1980)
  • Li Xueliang et al.

    On the problem of integral trees

    Kexue Tongbao

    (1987)
  • Cao Zhenfu

    On the integral trees of diameter Rwhen 3 ≤ R ≤ 6

    J.Heilongjiang University

    (1988)
  • Liu Ruying

    Some new families of trees with integral eigenvalues

    J.Qinghai Normal University

    (1988)
  • Yuan Pingzhi

    Integral trees of diameter 4

    J. Systems Sci. & Math. Sci.

    (1998)
  • Xu Dashen

    A note on the integral trees which is diameter 4

    J. Qinghai University

    (1996)
  • Zu Dashen

    Some new classes of the integral trees with diameter 4

    J. Hebei University

    (1997)
  • Wang Ligong et al.

    Some new classes of integral trees with diameters 4 and 6

    Australasian J. Combinatorics

    (2000)
  • Zhang Belong et al.

    On integral trees of diameter 4

    J.Systems Sci. & Math. Sci.

    (2000)
  • Li Maosheng et al.

    Notes on the spectra of trees with small diameters

    J. Changsha Railway University

    (1999)
There are more references available in the full text version of this article.

Cited by (0)

View full text