Supported by the Natural Science Foundation of Guangdong Province(91510631000021,s2012010009985);Research Fund for the Doctoral Program of Higher Education of China(20104407110001);the National Natural Science Foundation of China(11271144,10971075,and 11101164)
A complex, square matrix E is called coninvolutory if EE = I, where E denotes complex conjugate of the matrix E and I is an identity matrix. In this paper we introduce the coninvolutory decomposition of a complex matr...
supported in part by National Natural Science Foundations of China(Nos.10671077,10971075);Research Fund for the Doctoral Program of Higher Education of China(No.20104407110002);Guangdong Provincial Natural Science Foundations,P.R.China(No.9151063101000021);supported in part by NSFC under Grant no.61073195,Shenzhen Science and Technology Program under Grant no.CXB201005250024A and ZD201006100018A;Natural Scientific Research Innovation Foundation in HIT under Grant no.HIT.NSFIR.2010128.
Node importance or centrality evaluation is an important methodology for network analysis.In this paper,we are interested in the study of objects appearing in several networks.Such common objects are important in netw...
Supported by the Natural Science Foundation of Guangdong Province (06025061, 91510224000002);the National Natural Science Foundation of China (10971075, 10671077);the State Key Laboratory of Scientific and Engineering Computing
In this paper, we consider preconditioners for generalized saddle point systems with a nonsymmetric coefficient matrix. A constraint preconditioner for this systems is constructed, and some spectral properties of the ...