In this paper, the authors investigate the spectral inclusion properties of the quadratic numerical range for unbounded Hamiltonian operators. Moreover, some examples are presented to illustrate the main results.
基金supported by the Natural Science Foundation of China(Nos.11461049,11371185)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)
文摘In this paper, the authors investigate the spectral inclusion properties of the quadratic numerical range for unbounded Hamiltonian operators. Moreover, some examples are presented to illustrate the main results.