The definition of strong limit-point for singular Hamiltonian difference expressions with complex coefficients are given, and some strong limit-point criteria are established.
基金This research is supported by the Natural Science Foundation of China(10471077)Shandong Research Funds for Young Scientists(03BS094)and National Science Foundation of Educational Department of Shandong Province(03P51)(J04A60).
文摘The definition of strong limit-point for singular Hamiltonian difference expressions with complex coefficients are given, and some strong limit-point criteria are established.
