- Parametric geometry of numbers, CNTA XV, Université Laval, Qué, 9-13 July 2018
- Parametric geometry of numbers in function fields, XXX-ièmes Journées Arithmétiques, Caen, 3-7 July 2017
- Parametric geometry of numbers, Diophantine approximation and related fields, University of York, 26-30 June 2017
- On the topology of Diophantine approximation Spectra, Conférence Québec-Maine, 8-9 October 2016
- On Schmidt and Summerer parametric geometry of numbers, Number theory seminar Fields Institute April 7, 2014, U. of Rochester April 9, 2014, U. of Colorado at Boulder April 10, 2014
- Diophantine equations, Diophantine approximation, and geometry of numbers, Ottawa Mathematics conference, Ottawa, May 17, 2013
- Diophantine approximation with sign constraints, Canadian Math. Soc., Winter meeting, Special session in analytic number theory, Montréal, December 7-10, 2012
- Rational approximation to real points on plane algebraic curves, Conference "Diophantische Approximationen", Mathematisches Forschung Institüt, Oberwolfach, April 22-28, 2012.
- Recent progress on Diophantine approximation in small degree, Diophantine Approximation and Analytic Number Theory: A Tribute to Cam Stewart", BIRS, May 30 to June 4, 2010.
- Simultaneous rational approximation and the Markoff spectrum, Second Canada-France congress of the Mathematical Sciences, Montréal, June 1-5, 2008.

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