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Complete description of the Lyapunov spectra of continuous families of linear differential systems with unbounded coefficients
Izvestiya: Mathematics ( IF 0.8 ) Pub Date : 2020-12-30 , DOI: 10.1070/im8976 V. V. Bykov 1
中文翻译:
无界系数线性微分系统连续族的李雅普诺夫谱的完整描述
更新日期:2020-12-30
Izvestiya: Mathematics ( IF 0.8 ) Pub Date : 2020-12-30 , DOI: 10.1070/im8976 V. V. Bykov 1
Affiliation
For every positive integer and every metric space we consider the class of all parametric families , where , , , of linear differential systems whose coefficients are piecewise continuous and, generally speaking, unbounded on the time semi-axis for every fixed value of the parameter such that if a sequence converges to in the space of parameters, then the sequence converges uniformly on the semi-axis to the matrix . For the families in , we obtain a complete description of individual Lyapunov exponents and their spectra as functions of the parameter.
中文翻译:
无界系数线性微分系统连续族的李雅普诺夫谱的完整描述
对于每个正整数和每个度量空间,我们考虑所有参数族的类,其中, , , 线性微分系统的系数是分段连续的,一般来说,对于每个固定的参数值,在时间半轴上是无界的,例如如果一个序列在参数空间中收敛到,那么该序列在半轴上均匀地收敛到矩阵。对于 中的族,我们获得了对单个 Lyapunov 指数及其光谱作为参数函数的完整描述。