Mostrando 9 resultados de: 9
Filtros aplicados
Publisher
Computational Optimization and Applications(1)
ESAIM - Control, Optimisation and Calculus of Variations(1)
Handbook of Mathematical Models and Algorithms in Computer Vision and Imaging Mathematical Imaging and Vision(1)
IFAC-PapersOnLine(1)
Inverse Problems and Imaging(1)
Área temáticas
Métodos informáticos especiales(3)
Análisis(2)
Programación informática, programas, datos, seguridad(2)
Análisis numérico(1)
Funcionamiento de bibliotecas y archivos(1)
A MANIFOLD OF PLANAR TRIANGULAR MESHES WITH COMPLETE RIEMANNIAN METRIC
ArticleAbstract: We are indebted to Christian Lehn (TU Chemnitz) for helpful discussions on simplicial complexes. WePalabras claves:Autores:Estefanía Loayza-Romero, Herzog R.Fuentes:scopusFirst and second order shape optimization based on restricted mesh deformations
ArticleAbstract: We consider shape optimization problems subject to elliptic partial differential equations. In the cPalabras claves:Restricted mesh deformations, Shape gradient descent, Shape Newton method, Shape optimizationAutores:Estefanía Loayza-Romero, Etling T., Herzog R., Wachsmuth G.Fuentes:scopusSecond-order orthant-based methods with enriched Hessian information for sparse ℓ1 -optimization
ArticleAbstract: We present a second order algorithm, based on orthantwise directions, for solving optimization problPalabras claves:Orthantwise directions, Second-order algorithms, semismooth Newton methods, Sparse optimizationAutores:Estefanía Loayza-Romero, Juan Carlos De Los Reyes, Pedro MerinoFuentes:scopusA general formulation of reweighted least squares fitting
ArticleAbstract: We present a generalized formulation for reweighted least squares approximations. The goal of this aPalabras claves:Adaptive splines, Fitting, Hierarchical splines, Interpolation, Weighted least squaresAutores:Carlotta Giannelli, Estefanía Loayza-Romero, Fatemeh Mohammadi, Lisa Maria Kreusser, Nelly Villamizar, Sofia ImperatoreFuentes:scopusMulti-level Optimal Control with Neural Surrogate Models
OtherAbstract: Optimal actuator and control design is studied as a multi-level optimisation problem, where the actuPalabras claves:Consensus-based optimisation, Optimal actuator design, Optimal control of distributed parameter systems, Supervised learning and neural networksAutores:Dante Kalise, Estefanía Loayza-Romero, Kirsten A. Morris, Zhengang ZhongFuentes:scopusA Discretize-then-Optimize Approach to PDE-Constrained Shape Optimization
ArticleAbstract: We consider discretized two-dimensional PDE-constrained shape optimization problems, in which shapesPalabras claves:Discrete shape optimization, Mesh quality penalization, Riemannian metric, Shape gradientAutores:Estefanía Loayza-Romero, Herzog R.Fuentes:scopusPDE-Constrained Shape Optimization: Toward Product Shape Spaces and Stochastic Models
OtherAbstract: Shape optimization models with one or more shapes are considered in this chapter. Of particular intePalabras claves:Optimization on manifolds, PDE-constrained optimization under uncertainty, Product manifolds, Shape optimization, Stochastic approximationAutores:Estefanía Loayza-Romero, Geiersbach C., Welker K.Fuentes:scopusStochastic approximation for optimization in shape spaces
ArticleAbstract: In this work, we present a novel approach for solving stochastic shape optimization problems. Our mePalabras claves:Interface identification, PDE-constrained optimization under uncertainty, Shape optimization, Stochastic approximation, Stochastic gradient methodAutores:Estefanía Loayza-Romero, Geiersbach C., Welker K.Fuentes:scopusTotal generalized variation regularization in data assimilation for burgers’ equation
ArticleAbstract: We propose a second–order total generalized variation (TGV) regularization for the reconstruction ofPalabras claves:Data assimilation, Inviscid Burgers’ equation, Primal-dual methods, Second-order methodsAutores:Estefanía Loayza-Romero, Juan Carlos De Los ReyesFuentes:scopus