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Integral starlike trees

Published online by Cambridge University Press:  09 April 2009

Mamoru Watanabe  and
Allen J. Schwenk
Mamoru Watanabe
Affiliation:
Deoartment of Applied Mathematics Okayama College of ScienceOkayama 700, Japan
Allen J. Schwenk
Affiliation:
Department of Mathematics United States Naval Academy Annapolis Maryland 21402
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Abstract

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In this note we determine which of the trees homeomorphic to a star have a spectrum consisting entirely of integers. We also specify the integral double stars, and we consider the problem of trees with more complicated structure.

Subject classification (Amer. Math. Soc. (MOS) 1970): 05 C 05.

Type
Research Article
Information
Journal of the Australian Mathematical Society , Volume 28 , Issue 1 , August 1979 , pp. 120 - 128
Copyright
Copyright © Australian Mathematical Society 1979

References

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