[1] Randi\'{c} M. On characterization of molecular branching [J]. Journal of the American Chemical Society, 1975, 97(23): 6609-6615.
[2] Bollob\'{a}s B, Erd\H{o}s P. Graphs of extremal weights [J]. Ars Combinatoria, 1998, 50: 225-233.
[3] Li X L, Shi Y T. A survey on the Randi\'{c} index [J]. MATCH Communications in Mathematical and in Computer Chemistry, 2008, 59: 127-156.
[4] Bozkurt \c{S} B, G\"{u}ng\"{o}r A D, Gutman I, et al. Randi\'{c} matrix and Randi\'{c} energy [J]. MATCH Communications in Mathematical and in Computer Chemistry, 2010, 64: 239-250.
[5] Li X L, Wang J F. Randi\'{c} energy and Randi\'{c} eigenvalues [J]. MATCH Communications in Mathematical and in Computer Chemistry, 2015, 73: 73-80.
[6] Gutman I, Furtula B, Bozkurt \c{S} B. On Randi\'{c} energy [J]. Linear Algebra and its Applications, 2014, 442: 50-57.
[7] Gu R, Huang F, Li X L. Skew Randi\'{c} matrix and skew Randi\'{c} energy [J]. Transactions on Combinatorics, 2015, 4: 1-14.
[8] Gutman I. The energy of a graph} [J]. Graz Forschungszentrum Mathematisch-Statistische Sektion Berichte, 1978, 103(100-105): 1-22.
[9] Gutman I, Li X L, Zhang J B. Graph Energy} [M]//Analysis of Complex Network: From Biology to Linguistics, Weinheim: Wiley-VCH Verlag,
2009, 145-174.
[10] Li X L, Shi Y T, Gutman I. Graph Energy }[M]. New York: Springer, 2012.
[11]Adiga C, Balakrishnan R, So W. The skew energy of a digraph [J].
Linear Algebra and its Applications, 2010, 432(7): 1825-1835.
[12] Li X L, Lian H S. A survey on the skew energy of oriented graphs [EB/OL].(2013-05-06)[2016-03-11]. https://arxiv.org/abs/1304.5707, 2015.
[13] Gong S C, Xu G H. The characteristic polynomial and the matchings polynomial of a weighted oriented graph [J]. Linear Algebra and its Applications, 2012, 436(9): 3597-3607.
[14] Shi L S. Bounds on Randi\'{c} indices [J]. Discrete Mathematics, 2009, 309(16): 5238-5241. |