News
3 November 2025: Schläfli lecture by Kathlén Kohn.

Editorial

Journal of Experimental Mathematics, editorial board member since 2023.

SIAM Journal on Applied Algebra and Geometry, editor-in-chief since 2022, associate editor from 2017-2021.

Mathematics of Computation, associate edtior, 2020-2024.

Nieuw Archief voor Wiskunde, editorial board member research, 2015-2016.

Experimental Mathematics, 2014-2022.

Administration

Master's programme in mathematics, Programme Director since Fall 2020.

MINT-days and Information days for prospective students in Mathematics at Bern, organiser since 2019.

Library committee for the Faculty of Natural Sciences at Bern, Chair since 2018.

SIAM Activity Group Algebraic Geometry, Chair in 2014/2015 and Secretary in 2012/2013.

MEGA (Effective Methods in Algebraic Geometry), advisory board member, member of the executive committee for 2013, and chair of the executive committee for 2015.

Beeger Committee member since 2013; we organise the Beeger lecture at even-year Dutch Mathematical Congresses.

Research school WONDER, coordinator mini-courses.

Maths cluster DIAMANT, research manager from 2005-2010.

Meetings (co-)organised

Algebraic aspects of metric and integral geometry, a Bernoulli programme, March 2026.

Schläfli lecture by Kathlén Kohn, Fall 2021.

SMG Spring Meeting, Spring 2023.

Schläfli lecture by Joshua Greene, Fall 2021.

SIAM Conference on Applied Algebra and Geometry, chair of the local organising committee, 2019.

Schläfli lecture by Tamar Ziegler, Fall 2018.

Mittag-Leffler Programme on Tropical geometry, amoebas, and polytopes, Co-organiser, Spring 2018.

Tensor decomposition: ideals meet applications, a minisymposium as part of the SIAM Conference on Applied Algebraic Geometry, 3-7 August 2015, Daejon, Korea.

Berkovich Skeletons, a Wonder minicourse by Johannes Nicaise and Sam Payne, with Gunther Cornelissen.\\

Stochastic Activity Month on stochastics and combinatorics, Eurandom (Eindhoven); co-organiser, January 2014.

Tropical afternoon, Eindhoven, 13 March 2013. Speakers: Peter Butkovic and Michael Joswig.

Wonder minicourse Random Optimization Problems, Eindhoven, 6-9 November 2012. Lecturer: Johan Wästlund.

Intercity Number Theory Seminar on algebraic statistics, Eindhoven, 2 November 2012. Speakers: Patrik Norén, Rob Eggermont, Piotr Zwiernik, Jan Draisma.

Studygroup Mathematics with Industry 2012, treasuser.

Intercity Number Theory Seminar, Eindhoven, 13 April 2012. Speakers: Yuri Bilu, Mohamed Barakat, Viktor Levandovskyy, Emil Horobet, Daniel Robertz.

Infinite-dimensional systems of polynomial equations with symmetry, a mini-symposium part of the SIAM Meeting Applied Algebraic Geometry 2011, October 2011, North Carolina.

DIAMANT/EIDMA Symposium, 27-28 November 2009, Lunteren.

Arjeh Cohen 60, 27--29 May 2009, Kapellerput Heeze; with John van Bon, Hans Cuypers, Ralf Gramlich, and Hans Sterk.

Algoritmen Alom, 18 April 2009, Spoorwegmuseum Utrecht. With Arjeh Cohen.

DIAMANT meets GQT, 27-31 October 2008, Lorentz Center Leiden. With Gunther Cornelissen.

Algebra in Optimization - Minisymposium at ECM 2007, 14-18 July 2008, Amsterdam; with Monique Laurent.

11th Rhine Workshop on Computer Algebra, 16-20 June 2008, Rome; with Willem de Graaf and others.

5th DIAMANT/EIDMA Symposium, 29 and 30 May 2008, Oud-Poelgeest, Oegstgeest.

4th DIAMANT/EIDMA Symposium, 29 and 30 November 2007, Kontakt der Kontinenten, Soesterberg.

3rd DIAMANT/EIDMA Symposium, 31 May and 1 June 2007, Kapellerput in Heeze.

Special intercity seminar, 2 and 9 February 2007, TU/e.

Brainstorm session with industry about contacts university--industry, 30 January 2007, Utrecht, during the SWI 2007; with Vivi Rottschäfer.

DIAMANT/EIDMA Symposium, 30 November and 1 December 2006, Huize Bergen Vught.

DIAMANT Intercity Seminar on Lie Algebras, 27 October 2006, Eindhoven.

DIAMANT and Security, 19 June 2006, Lorentz Center Leiden; with Henk van Tilborg.

Rhine Workshop on Computer Algebra, 16 and 17 March 2006, Basel; with Hanspeter Kraft.

DIAMANT/EIDMA Symposium 2005, 16 and 18 November 2005, Hotel Carlton de Brug, Mierlo; with Henk van Tilborg and the DIAMANT board.

Eindhoven Discrete Mathematics Seminar, co-organiser, 2005-2016.