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上一条:Akbari, Saieed; Ghorbani, Ebrahim; Koolen, Jacobus H.; Oboudi, Mohammad Reza On sum of powers of the Laplacian and signless Laplacian eigenvalues of graphs. Electron. J. Combin. 17 (2010), no. 1, Research Paper 115, 8 pp
下一条:Markowsky, Greg; Koolen, Jacobus A conjecture of Biggs concerning the resistance of a distance-regular graph. Electron. J. Combin. 17 (2010), no. 1, Research Paper 78, 15 pp