Some roughness results concerning reducibility for linear difference equations
[摘要] In this paper we prove first that the exponential dichotomy of linear difference equations is rough. Moreover we prove that if the coefficient matrix of a linear difference equation is almost periodic, then the Joint property of having an exponential dichotomy with a projectionPand being reducible withPby an almost periodic kinematics similarity is rough.
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[效力级别] [学科分类] 数学(综合)
[关键词] [时效性]