The research group of Combinatorics and Graphs

Research Interests：

Spectral hypergraph theory

Publications:

[1]C. Bu, H. Li, J. Zhou, Inverse Perron values and connectivity of a uniform hypergraph, Electron. J. Combin. 25 (2018) P4.28.

[2]C. Bu, Y. Fan, J. Zhou, Laplacian and signless Laplacian Z-eigenvalues of uniform hypergraphs, Front. Math. China 11 (2016) 511-520.

[3]C. Bu, J. Zhou, H. Li, W. Wang, Spectral characterizations of the corona of a cycle and two isolated vertices, Graphs Combin. 30 (2014) 1123-1133.

[4]C. Bu, L. Sun, Y. Wei, Sign Pattern for Generalized Inverses, Beijing: Science Press, 2021.

[5]L. Chen, C. Bu, J. Zhou, Spectral moments of hypertrees and their applications, Linear and Multilinear Algebra, DOI:10.1080/03081087. 2021.1953431.

[6]J. Zhou, C. Bu, Eigenvalues and clique partitions of graphs, Advances in Applied Mathematics 129 (2021) 102220.

[7]J. Zhou, C. Bu, The enumeration of spanning tree of weighted graphs, J. Algebraic Combin. 54 (2021) 75-108.

[8]Y. Wang, Y. Li, Randomly finding independent sets in locally sparse graphs, J. Combinatorial Optimization 343 (2023) 111743.

[9]L. Sun, Z. Shang, C. Bu, Resistance distance and Kirchhoff index of the Q-vertex (or edge) join graphs, Discrete Math. 344 (2021) 112433.

[10]J. Zhou, E.R. van Dam, Spectral radius and clique partitions of graphs, Linear Algebra Appl. 630 (2021) 84-94.

[11]J. Zhou, C. Bu, H.J. Lai, Edge-disjoint spanning trees and forests of graphs, Discrete Appl. Math. 299 (2021) 74-81.

[12]Y. Wang, Y. Li, Deleting edges from Ramsey graphs, Discrete Math. 343 (2020) 111743.

[13]Y. Li, Y. Li, Y. Wang, Minimal Ramsey graphs on deleting stars for generalized fans and books, Appl. Math. Comput. 372 (2020) 125006.

[14]C. Deng, L. Sun, C. Bu, The geometry connectivity of hypergraphs, Discrete Math. 343 (2020) 112038.

[15]Y. Wang, Y. Li, Bounds for bipartite rainbow Ramsey numbers, Graphs Combin. 33 (2017) 1065-1079. 

[16]J. Zhou, L. Sun, C. Bu, Resistance characterizations of equiarboreal graphs, Discrete Math. 340 (2017) 2864-2870.

[17]C. Bu, Y.P. Wei, L. Sun, J. Zhou, Brualdi-type eigenvalue inclusion sets of tensors, Linear Algebra Appl. 480 (2015) 168-175.

[18]L. Sun, W. Wang, J. Zhou, C. Bu, Some results on resistance distances and resistance matrices, Linear and Multilinear Algebra 63 (2015) 523-533.

[19]J. Zhou, L. Sun, H. Yao, C. Bu, On the nullity of connected graphs with least eigenvalue at least -2, Appl. Anal. Discrete Math. 7 (2013) 250-261.

[20]J. Zhou, C. Bu, Laplacian spectral characterization of some graphs obtained by product operation, Discrete Math. 312 (2012) 1591-1595.

Contact：

Changjiang Bu

Email：buchangjiang@hrbeu.edu.cn