GitHub, Google Scholar, ResearchGate.

Numerical linear algebra, (generalized) eigenvalue problems, (generalized) singular value problems, numerical rang, Krylov methods, subspace methods, iterative methods, generalized Davidson and Jacobi–Davidson algorithms, Tikhonov regularisation, ill-posed problems, mathematical software.

**E-mail:** zwaan at math dot uni dash wuppertal dot de

**Phone:** +49 202 439-3529

University of Wuppertal

Faculty of Mathematics and Natural Sciences

Applied Computer Science Group

D-42097 Wuppertal

Germany

Room G.14.04

Gaußstraße 20

42119 Wuppertal

Germany

Zwaan, I. N. *A Kogbetliantz-type algorithm for computing the
restricted singular value decomposition with improved robustness*.
Coming soon.

Zwaan, I. N. and Hochstenbach M. E. *Generalized Davidson and
multidirectional-type methods for the generalized singular value
decomposition*.
arXiv:1705.06120.

Hochstenbach, M. E., and Zwaan, I. N. *Matrix balancing for field of
values type inclusion regions*. Electron. Trans. Numer. Anal.,
submitted.

Zwaan, I. N., and Hochstenbach, M. E. *Krylov-Schur type restarts for
the two-sided Arnoldi method*. SIAM J. Matrix Anal. Appl. 38.2
(2017), pp. 297–321,
doi:10.1137/16M1078987.
pdf.

Zwaan, I. N., and Hochstenbach, M. E. *Multidirectional subspace
expansion for one-parameter and multiparameter Tikhonov
regularization*. J. Sci. Comput. 70.3 (2017), pp.
990–1009,
doi:10.1007/s10915-016-0271-0.
Open access.

Gonzales, L., Huijssen, K., Jha, R., van Leeuwen, T., Sbrizi, A., van
Valenberg, W., Zwaan, I. N., de Weerdt, E. *Patient-adaptive
compressed sensing for MRI.* Proceedings of the 106th European Study
Group Mathematics with Industry, 2015.
pdf.

Banagaaya, N., Budko, N., van Doorn, H., Khimshiashvili, G., Klooster,
R., Lindenbergh, PJ., Verdijck, J., Vermolen, F., and Zwaan, I. N.
*The Mathematics of French Fries*. Proceedings of the 98th
European Study Group Mathematics with Industry, 2014.
pdf.

Van Leeuwen, T., Sbrizzi, A., and Zwaan, I. N. *Beeldreconstructie in
MRI met compressed sensing*. NAW, 5/17.2 (June 2016), pp. 114-118.
pdf.

Zwaan, I. N. *Generalized Krylov methods for large-scale matrix
problems*. PhD thesis, 2017.
Repository TU/e,
pdf.

Zwaan, I. N. *Compressed Sensing accelerated radial acquisitions for
dynamic Magnetic Resonance Imaging*. Master thesis, 2012.

2019-02 —
*90th GAMM Annual Meeting*.
Vienna University of Technology, Austria.

2018-06 —
*10th International Workshop on Parallel Matrix Algorithms and
Applications*.
ETH Zürich, Switzerland.

2018-05 —
*SIAM Conference on Applied Linear Algebra.*
Hong Kong Baptist University, Hong Kong.

2017-09 —
*17th GAMM Workshop on Applied and Numerical Linear Algebra*.
University of Cologne, Germany.

2016-07 —
*20th Conference of the International Linear Algebra Society*.
University of Leuven, Belgium.

2015-10 —
*SIAM Conference on Applied Linear Algebra*.
Atlanta (GA), USA.

2015-06 —
*International Conference on Preconditioning Techniques for Scientific
Computing and Industrial Applications*.
Eindhoven University of Technology, The Netherlands.

2015-02 —
*Student Krylov Day*.
Delft University of Technology, The Netherlands.

2014-6 —
*10th International Workshop on Accurate Solution of Eigenvalue
Problems*.
University of Zagreb, Dubrovnik, Croatia.

2014-04 —
*NDNS+ PhD days*. Lunteren, The Netherlands.

2016-10 —
*Forty-first Woudschoten Conference*.
Zeist, The Netherlands.

2015-10 —
*Fortieth Woudschoten Conference*.
Zeist, The Netherlands.

2015-04 —
*NDNS+ PhD days*.
Lunteren, The Netherlands.

2019-05 —
*Advances in Numerical Linear Algebra*.
University of Manchester, The United Kingdom.

2017-10 —
*Forty-second Woudschoten Conference*.
Zeist, The Netherlands.

2017-04 —
*Dutch Mathematical Congress 2017*.
Utrecht University, The Netherlands.

2016-06 —
*MATLAB EXPO 2016 Benelux*.
Eindhoven, The Netherlands.

2015-01 —
*Study Group Mathematics with Industry 2015*.
Utrecht University, The Netherlands.

2014-09 —
*European Model Reduction Network (EU-MORNET) kick-off meeting*.
Eindhoven University of Technology, The Netherlands.

2014-01 —
*Study Group Mathematics with Industry 2014*.
Delft University of Technology, The Netherlands.

2013-11 —
*Oberwolfach Workshop Numerical Solution of PDE Eigenvalue
Problems*.
Oberwolfach-Walke, Germany.

2013-10 —
*Thirty-eight Woudschoten Conference*.
Zeist, The Netherlands.

2013-09 —
*GAMM Workshop Applied and Numerical Linear Algebra 2013*.
University of Wuppertal, Germany.

2013-06 —
*Numerical Analysis and Scientific Computation with Applications*.
Universite du Littoral Côte d'Opale, Calais, France.

2013-05 —
*International Spring School on Matrix Functions and their
applications*.
Université de Lille 1, France.

2012-06 —
*StreamComputing GPUGPU-day*.
Amsterdam, The Netherlands.

Referee of manuscripts submitted to BIT Numerical Mathematics, Electron. Trans. Numer. Anal., and SIAM J. Sci. Comput.

2017-05 —
*Krylov–Schur-type restarts for the two-sided Arnoldi
method*. University of Wuppertal, Germany.

2017-05 —
*Krylov–Schur-type restarts for the two-sided Arnoldi
method*. Utrecht University, The Netherlands.

2016-10 —
*Solving discrete linear ill-posed problems with regularization*.
Centrum Wiskunde en Informatica, The Netherlands.

2019-04/2019-09 —
*Teaching assistant Algorithms and Data Structures*.
University of Wuppertal, Germany.

2018-9/2018-12 —
*Assistant supervisor for a bachelor thesis*.
University of Wuppertal, Germany.

2018-04/2018-09 —
*Teaching assistant Algorithms and Data Structures*.
University of Wuppertal, Germany.

2017-10/2018-03 —
*Teaching assistant Numerical Linear Algebra*.
University of Wuppertal, Germany.

2016-09/2016-10 —
*Senior tutor Calculus*.
Eindhoven University of Technology, The Netherlands.

2016-09/2016-10 —
*Teaching assistant Introduction to Numerical Analysis*.
Eindhoven University of Technology, The Netherlands.

2014-09/2014-10 —
*Tutor Calculus*.
Eindhoven University of Technology, The Netherlands.

2014-09/2014-10 —
*Teaching assistant Introduction to Numerical Analysis*.
Eindhoven University of Technology, The Netherlands.

2014-05/2014-06 —
*Teaching assistant Programming and Modelling*.
Eindhoven University of Technology, The Netherlands.

2013-09/2013-10 —
*Tutor Calculus*.
Eindhoven University of Technology, The Netherlands.

2013-09/2013-10 —
*Teaching assistant Introduction to Numerical Analysis*.
Eindhoven University of Technology, The Netherlands.

2013-05/2013-06 —
*Teaching assistant Programming and Modelling*.
Eindhoven University of Technology, The Netherlands.

2013-04/2013-06 —
*Teaching assistant Numerical Methods*.
Eindhoven University of Technology, The Netherlands.

2012-09/2013-01 —
*Teaching assistant Introduction to Scientific Computing*.
Utrecht University, The Netherlands.

2012-09/2013-01 —
*Teaching assistant Numerical Mathematics*.
Utrecht University, The Netherlands.

2011-09/2012-01 —
*Teaching assistant Introduction to Scientific Computing*.
Utrecht University, The Netherlands.

2011-09/2012-01 —
*Teaching assistant Numerical Mathematics*.
Utrecht University, The Netherlands.

2011-02/2011-04 —
*Teaching assistant Discrete Models in Applied Mathematics*.
Utrecht University, Utrecht, The Netherlands.

2014-01/2016-03 —
*Emergency response officer*.
Eindhoven University of Technology, Eindhoven, The Netherlands.

2013-12 —
*Diploma Basisopleiding Bedrijfshulpverlener*.
Nederlands Instituut voor Bedrijfshulpverlening, Rotterdam, The
Netherlands.

2013-12 —
*Certificaat Eerste Hulp*.
Nederlands Instituut voor Bedrijfshulpverlening, Rotterdam, The
Netherlands.

2013-12 —
*Certificaat Brandbestrijding en Ontruiming*.
Nederlands Instituut voor Bedrijfshulpverlening, Rotterdam, The
Netherlands.

2017-06 —
*Promovendus at the department of Mathematics and Computer
Science*.
Eindhoven University of Technology, The Netherlands.

2013-01 —
*Mathematical Sciences, MSc*.
Utrecht University, The Netherlands.
Graduated cum laude with a 4.0/4.0 GPA.

2011-02 —
*Mathematics, BSc*.
Utrecht University, The Netherlands.
Graduated cum laude with a 4.0/4.0 GPA.

2011-02 —
*Computer Science, BSc*.
Utrecht University, The Netherlands.
Graduated cum laude with a 4.0/4.0 GPA.

2007-06 —
*Natuur en Techniek, VWO*.
Christelijk Lyceum Veenendaal, The Netherlands.

2007-06 —
*Natuur en Gezondheid, VWO*.
Christelijk Lyceum Veenendaal, The Netherlands.