#### December 21-22, 2017

Visit of Gerlind Plonka (Georg-August-Universität Göttingen, Germany) to Universiteit Antwerpen.

#### November 7-8, 2017

Visit of Mariya Ishteva (Vrije Universiteit Brussel, Belgium) to Georg-August-Universität Göttingen.

#### May 15-17, 2017

Visit of Ana Matos (Université des Sciences et Technologies de Lille - Lille I, France) to Georg-August-Universität Göttingen.

#### December 13-14, 2016

Visit of Pier Luigi Dragotti (Imperial College of Science, Technology and Medicine, United Kingdom) to Georg-August-Universität Göttingen.

#### October 18-19, 2016

Visit of Ivan Markovsky (Vrije Universiteit Brussel, Belgium) to Georg-August-Universität Göttingen.

#### September 15-16, 2016

Visit of Ivan Markovsky (Vrije Universiteit Brussel, Belgium) to Imperial College of Science, Technology and Medicine.

#### November 11-12, 2015

Visit of Bernhard Beckermann and Ana C. Matos (Université des Sciences et Technologies de Lille - Lille I, France) to Universiteit Antwerpen.

#### October 28, 2015

Visit of Pier Luigi Dragotti (Imperial College of Science, Technology and Medicine, United Kingdom) to Vrije Universiteit Brussel.

#### October 26-27, 2015

Visit of Pier Luigi Dragotti (Imperial College London, United Kingdom) to Universiteit Antwerpen.

#### October 19-21, 2015

Visit of Gerlind Plonka (Georg-August-Universität Göttingen, Germany) to Universiteit Antwerpen.

#### September 14-18, 2015

Visit of Giovanni Lo Bianco (Universiteit Antwerpen, Belgium) to University of Strathclyde.

#### August 18-19, 2015

Visit of David Li (University of Strathclyde, United Kingdom) to Universiteit Antwerpen.

#### June 28-July 4, 2018

Curves and Surfaces (CS18): Minisymposium on Advances on Prony's method @ Arcachon, France.

#### May 31-June 1, 2018

International conference on Approximation and Matrix Functions (amf18) @ Université de Lille, France.

#### September 4-8, 2017

Dolomites Research Week on Approximation (DRWA17): Working group "Multi-exponential analysis and tensor methods" @ Alba di Canazei, Val di Fassa (Trento), Italy.

#### July 31-August 4, 2017

SIAM conference on Applied Algebraic Geometry (SIAM AG 17): Minisymposium on From Approximation Theory to Tensor Decomposition, Part I and Part II @ Georgia Institute of Technology, Atlanta, Georgia (USA).

#### October 30-November 4, 2016

CMO Workshop 16w5038: Sparse Interpolation, Rational Approximation and Exponential Analysis @ Casa Matemática Oaxaca, Mexico.

#### September 15-16, 2016

London Workshop on Sparse Signal Processing @ Imperial College of Science, Technology and Medicine, United Kingdom.

#### September 8-13, 2016

4th Dolomites Workshop on Constructive Approximation and Applications: Session "Sparse approximation" @ Alba di Canazei, Val di Fassa (Trento), Italy.

#### May 20, 2016

5èmes Journées Approximation, International conference on constructive complex approximation @ Université des Sciences et Technologies de Lille - Lille I, France.

#### September 5-8, 2015

Dolomites Research Week on Approximation (DRWA15): Working group "Interpolation: dimensionality, sparsity, orthogonality" @ Alba di Canazei, Val di Fassa (Trento), Italy.

#### June 14-19, 2015

Dagstuhl Seminar 15251: Sparse Modelling and Multi-exponential Analysis @ Schloss Dagstuhl, Dagstuhl, Germany.