Results 231 to 240 of about 41,806 (283)

Pericapsular Nerve Group (PENG) Block Versus Lumbar Erector Spinae Plane Block (ESPB) in Pediatric Hip Surgery: A Randomized, Double-Blinded, Controlled Trial. [PDF]

J Pediatr Orthop
Reysner M, Reysner T, Janusz P, Kowalski G, Shadi M, Daroszewski P, Wieczorowska-Tobis K, Kotwicki T.   +7 more
europepmc   +1 more source

Computational link between motivational factors and cognitive deficits in depression

Stolicyn A, Romaniuk L, Lawrie SM, Seriès P.   +3 more
europepmc   +1 more source

Exact controllability for degenerate and singular wave equations

Electronic Journal of Differential Equations
Guang Zhang, Shugen Chai
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Exact Controllability for the Schrödinger Equation

SIAM Journal on Control and Optimization, 1994
Summary: The exact controllability of Schrödinger equation in bounded domains with Dirichlet boundary condition is studied. Both the boundary controllability and the internal controllability problems are considered. Concerning the boundary controllability, the paper proves the exact controllability in \(H^{-1}(\Omega)\) with \(L^ 2\)-boundary control ...
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Exact Controllability and Exact Observability of Descriptor Infinite Dimensional Systems

IEEE/CAA Journal of Automatica Sinica, 2021
Necessary and sufficient conditions for the exact controllability and exact observability of a descriptor infinite dimensional system are obtained in the sense of distributional solution. These general results are used to examine the exact controllability and exact observability of the Dzektser equation in the theory of seepage and the exact ...
Zhaoqiang Ge
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Multipulse quantum control: exact solutions

Optics Letters, 2009
The coherent propagation of four optical pulses through a multilevel resonant medium is investigated theoretically. We present a self-consistent analytic solution without steady-state or adiabatic approximations and use numerical simulations to indicate that the analytic formulas can be used as a guide in an experimental setting.
Elizabeth, Groves, B D, Clader, J H, Eberly   +2 more
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Exact Boundary Controllability and Non-exact Boundary Controllability

2019
In this chapter, we will study the exact boundary controllability and the non-exact boundary controllability for the coupled system (III) of wave equations with coupled Robin boundary ...
Tatsien Li, Bopeng Rao
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SemiGlobal Exact Controllability of Nonlinear Plates

SIAM Journal on Control and Optimization, 2015
Summary: The exact controllability problem for several semilinear thin plate models is considered. A distributed control affects a collar of the plate's boundary. The result is semiglobal in the sense that there is no restriction on the size of the initial and the target states, but the controllability time is uniform only with respect to a given ...
Eller, Matthias, Toundykov, Daniel
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Partial Exact Controllability for Spherical Membranes

SIAM Journal on Control and Optimization, 1997
In the important paper the basic approach to the partial exact controllability (the control acts only on one of the displacement components without conditions for the other components) of an elastic spherical membrane is discussed. The axially symmetric vibrations of a spherical membrane are described by a pair of partial differential equations in the ...
LORETI, Paola, Vanda Valente
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On Exact Controllability and Convergence of Optimal Controls to Exact Controls of Parabolic Equations

1998
The main result of this paper is the convergence of optimal controls to the exact controls of linear parabolic partial differential equations. The result is derived through a representation of the terminal state by a operator that is similar to the one used by Lions in Hilbert Uniqueness Method.
Yanzhao Cao, Max Gunzburger, James Turner   +2 more
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