@article {Zeilmann:2020aa,
	title = {Geometric Numerical Integration of the Assignment Flow},
	journal = {Inverse Problems},
	volume = {36},
	number = {3},
	year = {2020},
	pages = {034004 (33pp)},
	author = {Zeilmann, A. and Savarino, F. and Petra, S. and Schn{\"o}rr, C.}
}
@article {Zeilmann:2019aa,
	title = {Geometric Numerical Integration of the Assignment Flow},
	journal = {Inverse Problems},
	year = {2019},
	url = {https://doi.org/10.1088/1361-6420/ab2772},
	author = {Zeilmann, A. and Savarino, F. and Petra, S. and Schn{\"o}rr, C.}
}
@article {Zeilmann:2018aa,
	title = {Geometric Numerical Integration of the Assignment Flow},
	journal = {preprint: arXiv},
	year = {2018},
	url = {https://arxiv.org/abs/1810.06970},
	author = {Zeilmann, A. and Savarino, F. and Petra, S. and Schn{\"o}rr, C.}
}
@conference {Zisler2017a,
	title = {Gradient Flows on a Riemannian Submanifold for Discrete Tomography},
	booktitle = {Proc. GCPR},
	year = {2017},
	author = {M. Zisler and Savarino, F. and Petra, S. and Schn{\"o}rr, C.}
}
@conference {Astroem2016d,
	title = {A Geometric Approach to Image Labeling},
	booktitle = {Proc. ECCV},
	year = {2016},
	author = {Astr{\"o}m, F. and Petra, S. and Schmitzer, B. and Schn{\"o}rr, C.}
}
@article {Nicola-et-al-2011,
	title = {A general extending and constraining procedure for linear iterative methods},
	journal = {Int. J. Comp. Math.},
	year = {2011},
	note = {in press},
	url = {http://dx.doi.org/10.1080/00207160.2011.634002},
	author = {Nicola, A. and Petra, S. and Popa, C. and Schn{\"o}rr, C.}
}
@techreport {popa09,
	title = {On a general extending and constraining procedure for linear iterative methods},
	year = {2009},
	month = {August},
	institution = {IWR, University of Heidelberg},
	type = {Technical Report},
	url = {http://www.ub.uni-heidelberg.de/archiv/9761},
	author = {Nicola, A. and Petra, S. and Popa, C. and Schn{\"o}rr, C.}
}
