A posteriori choice of time-discretization step in finite difference methods for solving ill-posed Cauchy problems in Hilbert space
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Abstract Finite difference semidiscretization methods for solving an ill-posed Cauchy problem in a Hilbert space are investigated. The problems involve linear positively definite selfadjoint operators. We justify an a posteriori scheme for the choice of the time-discretization step and establish accuracy estimates in terms of the error level of input data.
2019 ◽
pp. 46-61
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