update readme

README.md

@@ -1,11 +1,9 @@
-[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.6979610.svg)](https://doi.org/10.5281/zenodo.6979610)
-
-
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.6979620.svg)](https://doi.org/10.5281/zenodo.6979620)
 
 
 
 The repository contains the source code for the numerical experiments considered
-in [Space Mapping for PDE Constrained Shape Optimization](https://arxiv.org) by Sebastian Blauth.
+in [Space Mapping for PDE Constrained Shape Optimization](https://github.com/sblauth/space_mapping_shape_optimization) by Sebastian Blauth.
 
 To run the code, you have to install [cashocs](https://cashocs.readthedocs.io/)
 first, which includes all necessary prerequisites. The results presented in this
@@ -19,29 +17,9 @@ The repository consists of the following test cases:
 
 In each of the directories, there is a `main.py` file, which can be used to run the code. 
 
-Each problem is solved with the aggressive space mapping method for shape optimization presented in [Space Mapping for PDE Constrained Shape Optimization](https://arxiv.org).
+Each problem is solved with the aggressive space mapping method for shape optimization presented in [Space Mapping for PDE Constrained Shape Optimization](https://github.com/sblauth/space_mapping_shape_optimization).
 
 In the `visualization` directory, the file `visualization.py` generates the plots used in the paper. The repository is already initialized with the solutions obtained for the numerical examples in the paper, so that this can be run directly.
 
-This software is citeable under the following DOI: [10.5281/zenodo.6979610](https://doi.org/10.5281/zenodo.6979610).
-
-If you use the space mapping for shape optimization in your work, please cite the following preprint:
-
-    Nonlinear Conjugate Gradient Methods for PDE Constrained Shape Optimization Based on Steklov-Poincaré-Type Metrics
-    Sebastian Blauth
-    SIAM Journal on Optimization, Volume 31, Issue 3
-    https://doi.org/10.1137/20M1367738
-
-If you are using BibTeX, you can use the following entry:
+This software is citeable under the following DOI: [10.5281/zenodo.6979620](https://doi.org/10.5281/zenodo.6979620).
 
-    @Article{Blauth2020Nonlinear,
-        author   = {Sebastian Blauth},
-        journal  = {SIAM J. Optim.},
-        title    = {{N}onlinear {C}onjugate {G}radient {M}ethods for {PDE} {C}onstrained {S}hape {O}ptimization {B}ased on {S}teklov-{P}oincaré-{T}ype {M}etrics},
-        year     = {2021},
-        number   = {3},
-        pages    = {1658--1689},
-        volume   = {31},
-        doi      = {10.1137/20M1367738},
-        fjournal = {SIAM Journal on Optimization},
-    }