partially supported by the Natural Science Foundation of China(Nos.11461049 and 11371185);the Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20111501110001);the ‘Chunhui Program’ of the Ministry of Education of China(No.Z2009-1-01010);the Major Program of the National Natural Science Foundation of Inner Mongolia(No.2013ZD01);the National Science Foundation for Fostering Distinguished Young Scholars of Inner Mongolia(No.2013JQ01);the Program for Young Talents of Science and Technology in Universities of Inner Mongolia(No.NJYT-12-B06)
Given two closed, in general unbounded, operators A and C, we investigate the left invertible completion of the partial operator matrix A ? 0 C. Based on the space decomposition technique, the alternative sufficient ...
supported by National Natural Science Foundation of China(Grant Nos.11371185,11101200 and 11361034);Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20111501110001);Major Subject of Natural Science Foundation of Inner Mongolia of China(Grant No.2013ZD01);Natural Science Foundation of Inner Mongolia of China(Grant No.2012MS0105)
Symplectic self-adjointness of Hamiltonian operator matrices is studied, which is important to symplectic elasticity and optimal control. For the cases of diagonal domain and off-diagonal domain, necessary and suffici...
Supported by Natural Science Foundation of China(Grant Nos.11361034,11371185,11101200);Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20111501110001);Major Subject of Natural Science Foundation of Inner Mongolia of China(Grant No.2013ZD01);Natural Science Foundation of Inner Mongolia of China(Grant No.2012MS0105)
Some new characterizations of nonnegative Hamiltonian operator matrices are given. Several necessary and sufficient conditions for an unbounded nonnegative Hamiltonian operator to be invertible are obtained, so that t...
supported by the National Natural Science Foundation of China (Grant Nos. 11361034 and 11371185);the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20111501110001);the Natural Science Foundation of Inner Mongolia, China (Grant Nos. 2012MS0105 and 2013ZD01 )
A necessary and sufficient condition is obtained for the generalized eigenfunction systems of 2 ×2 operator matrices to be a block Schauder basis of some Hilbert space, which offers a mathematical foundation of solvi...