Optimal control of semilinear parabolic equations with non-smooth pointwise-integral control constraints in time-space
E Casas, K Kunisch - Applied Mathematics & Optimization, 2022 - Springer
This work concentrates on a class of optimal control problems for semilinear parabolic
equations subject to control constraint of the form‖ u (t)‖ L 1 (Ω)≤ γ for t∈(0, T). This limits …
equations subject to control constraint of the form‖ u (t)‖ L 1 (Ω)≤ γ for t∈(0, T). This limits …
Experimental design for linear functionals in reproducing kernel hilbert spaces
Optimal experimental design seeks to determine the most informative allocation of
experiments to infer an unknown statistical quantity. In this work, we investigate optimal …
experiments to infer an unknown statistical quantity. In this work, we investigate optimal …
Where did the tumor start? An inverse solver with sparse localization for tumor growth models
S Subramanian, K Scheufele, M Mehl… - Inverse problems, 2020 - iopscience.iop.org
We present a numerical scheme for solving an inverse problem for parameter estimation in
tumor growth models for glioblastomas, a form of aggressive primary brain tumor. The …
tumor growth models for glioblastomas, a form of aggressive primary brain tumor. The …
Asymptotic linear convergence of fully-corrective generalized conditional gradient methods
We propose a fully-corrective generalized conditional gradient method (FC-GCG) for the
minimization of the sum of a smooth, convex loss function and a convex one-homogeneous …
minimization of the sum of a smooth, convex loss function and a convex one-homogeneous …
Towards optimal sensor placement for inverse problems in spaces of measures
The objective of this work is to quantify the reconstruction error in sparse inverse problems
with measures and stochastic noise, motivated by optimal sensor placement. To be useful in …
with measures and stochastic noise, motivated by optimal sensor placement. To be useful in …
A two-stage numerical approach for the sparse initial source identification of a diffusion–advection equation
We consider the problem of identifying a sparse initial source condition to achieve a given
state distribution of a diffusion–advection partial differential equation after a given final time …
state distribution of a diffusion–advection partial differential equation after a given final time …
Linear convergence of accelerated conditional gradient algorithms in spaces of measures
A class of generalized conditional gradient algorithms for the solution of optimization
problem in spaces of Radon measures is presented. The method iteratively inserts …
problem in spaces of Radon measures is presented. The method iteratively inserts …
Maximal regularity of multistep fully discrete finite element methods for parabolic equations
B Li - IMA Journal of Numerical Analysis, 2022 - academic.oup.com
This article extends the semidiscrete maximal-regularity results in Li (2019, Analyticity,
maximal regularity and maximum-norm stability of semi-discrete finite element solutions of …
maximal regularity and maximum-norm stability of semi-discrete finite element solutions of …
Sparse optimization problems in fractional order Sobolev spaces
H Antil, D Wachsmuth - arXiv preprint arXiv:2204.11456, 2022 - arxiv.org
We consider optimization problems in the fractional order Sobolev spaces $ H^ s (\Omega)
$, $ s\in (0, 1) $, with sparsity promoting objective functionals containing $ L^ p …
$, $ s\in (0, 1) $, with sparsity promoting objective functionals containing $ L^ p …
Error estimates for finite element discretizations of the instationary Navier–Stokes equations
B Vexler, J Wagner - ESAIM: Mathematical Modelling and …, 2024 - esaim-m2an.org
In this work we consider the two dimensional instationary Navier–Stokes equations with
homogeneous Dirichlet/no-slip boundary conditions. We show error estimates for the fully …
homogeneous Dirichlet/no-slip boundary conditions. We show error estimates for the fully …