3 papers
math.OC2025
A modified exact penalty approach for general constrained -sparse optimization problems
Christian Kanzow, Felix Weiß
We consider a general class of constrained optimization problems with an additional - sparsity term in the objective function. Based on a recent reformulation of this diffi…
math.OC2023
An Exact Penalty Approach for General -Sparse Optimization Problems
Christian Kanzow, Felix Weiß
We consider the general nonlinear optimization problem where the objective function has an additional term defined by the -quasi-norm in order to promote sparsity of a so…
math.OC2022
The Sparse(st) Optimization Problem: Reformulations, Optimality, Stationarity, and Numerical Results
Christian Kanzow, Alexandra Schwarz, Felix Weiß
We consider the sparse optimization problem with nonlinear constraints and an objective function, which is given by the sum of a general smooth mapping and an additional term defin…