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Strong limit-point classification of singular Hamiltonian expressions |
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| Authors: | Jiangang Qi Shaozhu Chen |
| Affiliation: | Department of Mathematics, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China ; Department of Mathematics, Shandong University, Jinan, Shandong 250100, People's Republic of China |
| Abstract: | Strong limit-point criteria for singular Hamiltonian differential expressions with complex coefficients are obtained. The main results are extensions of the previous results due to Everitt, Giertz, and Weidmann for scalar differential expressions. |
| Keywords: | Hamiltonian system deficiency index strong limit-point case |
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