Abstract
We determine the bicyclic graphs of fixed order and number of pendant vertices with exactly two (three, respectively) cycles for which the least eigenvalue is minimal.
Similar content being viewed by others
References
F. K. Bell, D. Cvetković, P. Rowlinson, and S. K. Simić, “Graphs for which the least eigenvalue is minimal, I,” Linear Algebra Appl., 429, 234–241 (2008).
F. K. Bell, D. Cvetković, P. Rowlinson, and S. K. Simić, “Graphs for which the least eigenvalue is minimal, II,” Linear Algebra Appl., 429, 2168–2179 (2008).
D. Cvetković, M. Doob, and H. Sachs, Spectra of Graphs. Theory and Applications, Johann Ambrosius Barth, Heidelberg (1995).
D. Cvetković and P. Rowlinson, Eigenspace of Graphs, Cambridge Univ. Press, Cambridge (1997).
D. Cvetković, P. Rowlinson, and S. Simić, An Introduction to the Theory of Graph Spectra, Cambridge Univ. Press, Cambridge (2010).
M. Doob, “A surprising property of the least eigenvalue of a graph,” Linear Algebra Appl., 46, 1–7 (1982).
Y. Fan, Y. Wang, and Y. Gao, “Minimizing the least eigenvalues of unicyclic graphs with application to spectral spread,” Linear Algebra Appl., 429, 577–588 (2008).
A. J. Hoffman, “On graphs whose least eigenvalue exceeds \( - 1 - \sqrt {2} \),” Linear Algebra Appl., 16, 153–165 (1977).
A. J. Hoffman and J. H. Smith, in: Recent Advances in Graph Theory, Academia Praha, New York (1975), pp. 273–281.
Y. Hong, “Bounds of eigenvalues of a graph,” Acta Math. Appl. Sinica, 4, 165–168 (1988).
Y. Hong and J. Shu, “Sharp lower bounds of the least eigenvalue of planar graphs,” Linear Algebra Appl., 296, 227–232 (1999).
R. Liu, M. Zhai, and J. Shu, “The least eigenvalue of unicyclic graphs with n vertices and k pendant vertices,” Linear Algebra Appl., 431, 657–665 (2009).
Q. Li, K. Feng, “On the largest eigenvalues of graphs,” Acta Math. Appl. Sinica, 2 167–175 (1979) (in Chinese).
M. Petrović, B. Borovićanin, and T. Aleksić, “Bicyclic graphs for which the least eigenvalue is minimum,” Linear Algebra Appl., 430, 1328–1335 (2009).
S. Simić, “On the largest eigenvalue of unicyclic graphs,” Publ. Inst. Math. Beograd, 42, 13–19 (1987).
Y. Tan and Y. Fan, “The vertex (edge) independence number, vertex (edge) cover number and the least eigenvalue of a graph,” Linear Algebra Appl., 433, 790–795 (2010).
M. Ye, Y. Fan, and D. Liang, “The least eigenvalue of graphs with given connectivity,” Linear Algebra Appl., 430, 1375–1379 (2009).
Y. Wang, Y. Fan, “The least eigenvalue of a graph with cut vertices,” Linear Algebra Appl., 433, 19–27 (2010).
B. Wu, E. Xiao, Y. Hong, “The spectral radius of trees on k pendant vertices,” Linear Algebra Appl., 395, 343–349 (2005).
M. Zhai, R. Liu, and J. Shu, “Minimizing the least eigenvalue of unicyclic graphs with fixed diameter,” Discr. Math., 310, 947–955 (2010).
Author information
Authors and Affiliations
Corresponding author
Additional information
Translated from Sovremennaya Matematika i Ee Prilozheniya (Contemporary Mathematics and Its Applications), Vol. 71, Algebraic Techniques in Graph Theory and Optimization, 2011.
Rights and permissions
About this article
Cite this article
Liu, Z., Zhou, B. On least eigenvalues of bicyclic graphs with fixed number of pendant vertices. J Math Sci 182, 175–192 (2012). https://doi.org/10.1007/s10958-012-0738-y
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10958-012-0738-y