[1] F. R. K. Chung, Spectral Graph Theory (American Mathematical Society, Providence, 1997).
[2] S. Umeyama, IEEE Trans. Pattern Anal. Machine Intell. 10, 695 (1988).
[3] G. L. Scott and H. C. Longuet-Higgins, Proc. R. Soc. Lond. B 244, 21 (1991).
[4] L. S. Shapiro and J. M. Brady, Image and Vision Computing 10, 283 (1992).
[5] M. Carcassoni and E. R. Hancock, Pattern Recognition 36, 193 (2003).
[6] N. Wang, Y. Fan, S. Wei, and D. Liang, J. Image Graphics (in Chinese) 11, 332 (2006).
[7] G. Zhao, B. Luo, J. Tang, and J. Ma, Lecture Notes in Computer Science 4681, 1283 (2007).
[8] J. Tang, N. Wang, D. Liang, Y.-Z. Fan, and Z.-H. Jia, Lecture Notes in Computer Science 4491, 572 (2007).
[9] T. Caelli and S. Kosinov, IEEE Trans. Pattern Anal. Machine Intell. 26, 515 (2004).
[10] J. Shi and J. Malik, IEEE Trans. Pattern Anal. Machine Intell. 22, 888 (2000).
[11] L. Grady, IEEE Trans. Pattern Anal. Machine Intell. 28, 1768 (2006).
[12] H. Xu, Z. Tian, and M. Ding, Chin. Opt. Lett. 6, 248 (2008).
[13] Z. Tian, X. Li, and Y. Ju, Science in China Series F:Information Sciences 50, 63 (2007).
[14] L. Yen, D. Vanvyve, F. Wouters, F. Fouss, M. Verleysen, and M. Saerens, in Proceedings of European Symposium on Artificial Neural Networks 2005 317 (2005).
[15] I. Charon and O. Hudry, Discrete Applied Mathematics 156, 1330 (2008).
[16] A. Shokoufandeh and S. Dickinson, Lecture Notes in Computer Science 2059, 67 (2001).
[17] H. Wang and E. R. Hancock, Lecture Notes in Computer Science 3138, 361 (2004).
[18] H. Wang and E. R. Hancock, Lecture Notes in Computer Science 3617, 503 (2005).
[19] H. Qiu and E. R. Hancock, Pattern Recognition 40, 2874 (2007).
[20] M. Zaslavskiy, F. Bach, and J.-P. Vert, Lecture Notes in Computer Science 5099, 329 (2008).
[21] G. Liu, D. Liu, F. Liu, and Y. Zhou, Acta Opt. Sin. (in Chinese) 28, 454 (2008).
[22] J. Sun, Matrix Perturbation Analysis (in Chinese) (Science Press, Beijing, 2001).