参考文献/References:
[1] COLLATZ L, SINOGOWITZ U. Spektren endlicher grafen [J]. Abhandlungen Aus Dem Mathematischen Seminar der Universitat Hamburg, 1957.70-75.doi:10.1007/BF02941924.
[2] CVETKOVIC D, DOOB M, SACHS H. Spectra of graphs [M]. New York:Academic Press, Inc, 1980.
[3] TAN Xue-zhong, LIU Bo-lian. On the nullity of unicyclic graphs [J]. Linear Algebra and Its Applications, 2005.212-220.
[4] 李薇, 常安. 非奇异单圈图的刻划 [J]. 数学研究, 2007(4):442-445.doi:10.3969/j.issn.1006-6837.2007.04.017.
[5] HU Sheng-biao, TAN xue-zhong, LIU Bo-lian. On the nullity of bicyclic graphs [J]. Linear Algebra and Its Applications, 2008(7):1387-1391.doi:10.1016/j.laa.2007.12.007.
[6] CHEN B, LIU B L. On the nullity of graphs [J]. ELECTRONIC JOURNAL OF LINEAR ALGEBRA, 2007.60-67.
[7] SCIRIHA I. On the construction of graphs of nullity one [J]. Discret Math, 1998, (1/3):193-211.doi:10.1016/S0012-365X(97)00036-8.
[8] MILAN N, BHABA K S. On the null-spaces of acyclic and unicyclic singular graphs [J]. Linear Algebra and its Applications, 2007(1):42-54.doi:10.1016/j.laa.2007.06.017.
[9] IVAN G, IRENE S. On the nullity of line graphs of tress [J]. DISCRETE MATHEMATICS, 2001, (1/3):35-45.doi:10.1016/S0012-365X(00)00187-4.
[10] FIORINI S, GUTMAN I, SCIRIHA I. Trees with maximum nullity [J]. Linear Algebra and Its Applications, 2005():245-251.doi:10.1016/j.laa.2004.10.024.