Mostrando 10 resultados de: 37
Filtros aplicados
Publisher
Control and Cybernetics(3)
Optimization Methods and Software(3)
SIAM Journal on Control and Optimization(3)
Computational Optimization and Applications(2)
Interfaces and Free Boundaries(2)
Área temáticas
Análisis(18)
Otras ramas de la ingeniería(7)
Probabilidades y matemática aplicada(7)
Análisis numérico(5)
Ciencias de la computación(5)
Bilevel Parameter Learning for Higher-Order Total Variation Regularisation Models
ArticleAbstract: We consider a bilevel optimisation approach for parameter learning in higher-order total variation iPalabras claves:Bilevel optimisation, Image quality measures, Total variation regularisersAutores:Juan Carlos De Los Reyes, Schönlieb C.B., Valkonen T.Fuentes:googlescopusBilevel approaches for learning of variational imaging models
Book PartAbstract: We review some recent learning approaches in variational imaging based on bilevel optimization and ePalabras claves:Bilevel optimization, image denoising, Supervised learning, Variational methodsAutores:Calatroni L., Chung Cao, Juan Carlos De Los Reyes, Schönlieb C.B., Valkonen T.Fuentes:scopusA balanced truncation-based strategy for optimal control of evolution problems
Conference ObjectAbstract: In this paper, we present a balanced truncation based strategy for the numerical solution of optimalPalabras claves:adjoint equation, balanced truncation, Model reduction, Optimal ControlAutores:Juan Carlos De Los Reyes, Stykel T.Fuentes:googlescopusA bilevel learning approach for optimal observation placement in variational data assimilation
ArticleAbstract: In this paper we propose a bilevel optimization approach for the placement of space and time observaPalabras claves:Bilevel optimization, singular optimal control with measures, Supervised learning, variational data assimilationAutores:Juan Carlos De Los Reyes, Paula Castro, Paula M. Castro C.Fuentes:googlescopusA combined BDF-semismooth Newton approach for time-dependent Bingham flow
ArticleAbstract: This article is devoted to the numerical simulation of time-dependent convective Bingham flow in cavPalabras claves:backward differentiation methods, Bingham fluids, parabolic variational inequalities, semismooth Newton methods, Tikhonov regularizationAutores:Juan Carlos De Los Reyes, Sergio González-AndradeFuentes:scopusA comparison of algorithms for control constrained optimal control of the Burgers equation
ArticleAbstract: A comparison of three different but related numerical methods for control constrained optimal controPalabras claves:Autores:Juan Carlos De Los Reyes, Kunisch K.Fuentes:googlescopusA duality based semismooth Newton framework for solving variational inequalities of the second kind
ArticleAbstract: In an appropriate function space setting, semismooth Newton methods are proposed for iteratively comPalabras claves:Moreau-Yosida regularization, semismooth Newton methods, Variational inequalities of the second kindAutores:Hintermüller M., Juan Carlos De Los ReyesFuentes:googlescopusA nonsmooth model for discontinuous shear thickening fluids: Analysis and numerical solution
ArticleAbstract: We propose a nonsmooth continuum mechanical model for discontinuous shear thickening flow. The modelPalabras claves:Additional regularity, Fictitious domain method, Mixed discretization, Non-Newtonian fluid mechanics, Semismooth Newton method, Shear thickening, Variational inequalityAutores:Juan Carlos De Los Reyes, Stadler G.Fuentes:googlescopusA nonsmooth trust-region method for locally lipschitz functions with application to optimization problems constrained by variational inequalities
ArticleAbstract: We propose a general trust-region method for the minimization of nonsmooth and nonconvex, locally LiPalabras claves:Bouligand subdifferential, Nonsmooth optimization, Optimal Control, Optimization with variational inequality constraints, Stationarity conditions, Trust-region methodsAutores:CHRISTOF C., Juan Carlos De Los Reyes, Meyer C.Fuentes:googlescopusA semi-smooth Newton method for regularized state-constrained optimal control of the Navier-Stokes equations
ArticleAbstract: In this paper we study semi-smooth Newton methods for the numerical solution of regularized pointwisPalabras claves:Navier-Stokes equations, Optimal Control, Semi-smooth Newton methods, State constraintsAutores:Juan Carlos De Los Reyes, Kunisch K.Fuentes:googlescopus