Journal of Jilin University Science Edition
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TAO Kai, WANG Wanpeng
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Abstract: By using the methods including Weyl’s difference principle, large deviation theorem, avalanche principle and so on, we considered the problem of the Lyapunov exponent positivity and continuity of the discrete analytic Schrdinger operator defined by the high order skew shift Tω. We proved that if the potential energy factor was big enough, then the Lyapunov exponent of the system was positive and week Hlder continuity. This results extended the conclusion about the Lyapunov exponent positivity and continuity with the lower order skew shift to the one with the high order skew shift.
Key words: Schrodinger operator, Lyapunov exponent, high order skew shift
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TAO Kai, WANG Wanpeng. Lyapunov Exponent of Schrodinger Operator with High Order Skew Shift[J].Journal of Jilin University Science Edition, 2016, 54(06): 1260-1264.
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http://xuebao.jlu.edu.cn/lxb/EN/Y2016/V54/I06/1260
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