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- W4300918154 abstract "This paper deals with a non-standard infinite dimensional linear-quadratic control problem arising in the physics of non-stationary states (see e.g. [6]): finding the minimum energy to drive a fixed stationary state x = 0 into an arbitrary non-stationary state x. The Riccati Equation (RE) associated to this problem is not standard since the sign of the linear part is opposite to the usual one, thus preventing the use of the known theory. Here we consider the finite horizon case. We prove that the linear selfadjoint operator P(t), associated to the value function, solves the above mentioned RE (Theorem 4.12). Uniqueness does not hold in general but we are able to prove a partial uniqueness result in the class of invertible operators (Theorem 4.13). In the special case where the involved operators commute, a more detailed analysis of the set of solutions is given (Theorems 4.14, 4.15 and 4.16). Examples of applications are given." @default.
- W4300918154 created "2022-10-04" @default.
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- W4300918154 date "2017-04-06" @default.
- W4300918154 modified "2023-10-16" @default.
- W4300918154 title "Minimum energy for linear systems with finite horizon: a non-standard Riccati equation" @default.
- W4300918154 doi "https://doi.org/10.48550/arxiv.1704.02025" @default.
- W4300918154 hasPublicationYear "2017" @default.
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