Abstract
In this short note, our aim is to investigate the inverse problem of parameter identification in quasi-variational inequalities. We develop an abstract nonsmooth regularization approach that subsumes the total variation regularization and permits the identification of discontinuous parameters. We study the inverse problem in an optimization setting using the output-least squares formulation. We prove the existence of a global minimizer and give convergence results for the considered optimization problem. We also discretize the identification problem for quasi-variational inequalities and provide the convergence analysis for the discrete problem. We give an application to the gradient obstacle problem.
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Acar, R., Vogel, C.R.: Analysis of bounded variation penalty methods for ill-posed problems. Inverse Probl. 10, 1217–1229 (1994)
Barbagallo, A., Mauro, P.: A general quasi-variational problem of Cournot–Nash type and its inverse formulation. J. Optim. Theory Appl. 170(2), 476–492 (2016)
Barrett, J.W., Prigozhin, L.: A quasi-variational inequality problem arising in the modeling of growing sandpiles. ESAIM Math. Model. Numer. Anal. 47, 1133–1165 (2013)
Bensoussan, A., Lions, J.-L.: Optimal impulse and continuous control: method of nonlinear quasivariational inequalities. Trudy Mat. Inst. Steklov. 134, 5–22 (1975)
Boiger, R., Kaltenbacher, B.: An online parameter identification method for time dependent partial differential equations. Inverse Probl. 32(4), 045006 (2016)
Ciarciá, C., Daniele, P.: New existence theorems for quasi-variational inequalities and applications to financial models. Eur. J. Oper. Res. 251, 288–299 (2016)
Clason, C.: \(L^{\infty }\) fitting for inverse problems with uniform noise. Inverse Probl. 28(10), 104007 (2012)
Giannessi, F., Khan, A.A.: Regularization of non-coercive quasi variational inequalities. Control Cybern. 29, 91–110 (2000)
Gockenbach, M.S., Khan, A.A.: An abstract framework for elliptic inverse problems. I. An output least-squares approach. Math. Mech. Solids 12, 259–276 (2007)
Hintermüller, M.: Inverse coefficient problems for variational inequalities: optimality conditions and numerical realization. M2AN Math. Model. Numer. Anal. 35, 129–152 (2001)
Jadamba, B., Khan, A.A., Rus, G., Sama, M., Winkler, B.: A new convex inversion framework for parameter identification in saddle point problems with an application to the elasticity imaging inverse problem of predicting tumor location. SIAM J. Appl. Math. 74, 1486–1510 (2014)
Kano, R., Kenmochi, N., Murase, Y.: Existence theorems for elliptic quasi-variational inequalities in Banach spaces. In: Chipot, M., Lin, C.-S., Tsai, D.-H. (eds.) Recent Advances in Nonlinear Analysis, pp. 149–169. World Scientific Publishing, Hackensack (2008)
Khan, A.A., Motreanu, D.: Existence theorems for elliptic and evolutionary variational and quasi-variational inequalities. J. Optim. Theory Appl. 167(3), 1136–1161 (2015)
Khan, A.A., Tammer, C., Zalinescu, C.: Regularization of quasi-variational inequalities. Optimization 64, 1703–1724 (2015)
Kluge, R. (ed.): On some parameter determination problems and quasi-variational inequalities. In: Theory of Nonlinear Operators, vol. 6, pp. 129–139. Akademie-Verlag, Berlin (1978).
Lenzen, F., Becker, F., Lellmann, J., Petra, S., Schnörr, C.: A class of quasi-variational inequalities for adaptive image denoising and decomposition. Comput. Optim. Appl. 54(2), 371–398 (2013)
Liu, F., Nashed, M.Z.: Regularization of nonlinear ill-posed variational inequalities and convergence rates. Set Valued Anal. 6, 313–344 (1998)
Mosco, U.: Implicit variational problems and quasi variational inequalities. In: Nonlinear Operators and the Calculus of Variations, Lecture Notes in Mathematics, pp. 83–156. Springer, Berlin (1976)
Motreanu, D., Sofonea, M.: Quasivariational inequalities and applications in frictional contact problems with normal compliance. Adv. Math. Sci. Appl. 10, 103–118 (2000)
Nashed, M.Z., Scherzer, O.: Least squares and bounded variation regularization with nondifferentiable functionals. Numer. Funct. Anal. Optim. 19, 873–901 (1998)
Resmerita, E.: Regularization of ill-posed problems in Banach spaces: convergence rates. Inverse Probl. 21, 1303–1314 (2005)
Scrimali, L.: Evolutionary quasi-variational inequalities and the dynamic multiclass network equilibrium problem. Numer. Funct. Anal. Optim. 35(7–9), 1225–1244 (2014)
Acknowledgements
The authors are grateful to the reviewers for the valuable remarks. Akhtar Khan is supported by National Science Foundation Grant 005613-002 and RIT’s COS FEAD Grant for 2016–2017.
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Khan, A.A., Motreanu, D. Inverse problems for quasi-variational inequalities. J Glob Optim 70, 401–411 (2018). https://doi.org/10.1007/s10898-017-0597-7
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DOI: https://doi.org/10.1007/s10898-017-0597-7