Results 211 to 220 of about 3,795 (264)

Stress and Cognition: From Bench to Bedside? [PDF]

open access: yesBiol Psychiatry
Schwabe L, Daskalakis NP.
europepmc   +1 more source

Exact controllability for degenerate and singular wave equations

open access: yesElectronic Journal of Differential Equations
Guang Zhang, Shugen Chai
doaj  

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   +2 more
openaire   +2 more sources

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
openaire   +1 more source

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
openaire   +1 more source

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
openaire   +2 more sources

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   +2 more
openaire   +1 more source

Exact Controllability of Backward Stochastic Control Systems

Engineering Management Reviews, 2015
This paper gives a necessary condition of exact controllability for backward stochastic control systems, and introduces three equivalent conditions of necessary and sufficient for the linear system to be exactly controllable. Finally, as an application of this stochastic control system, two examples on the optimal portfolio problem with consumption ...
Xiangrong Wang, Hong Huang
openaire   +1 more source

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 ...
openaire   +1 more source

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