- Smooth Schubert varieties of affine type
- September, 2016. Algebra seminar, University of Ottawa.

- Tsirelson's problem and linear system games
[slides: PI (more technical),
CIFAR (more general)]
- October, 2016. CIFAR Quantum Information Science Meeting, University of British Columbia.
- October, 2016. Quantum foundations seminar, Perimeter Institute.
- October, 2016. QMath13: Mathematical Results in Quantum Physics, Georgia Tech.
- September, 2016. Guest lecture, LMS Research School on "Combinatorics and Operators in Quantum Information Theory", Queen's University Belfast (via Skype).
- June, 2016. IQC, University of Waterloo.

- Local formality of inversion hyperplane arrangements
[slides]
- August, 2016. Summer Conference on Hyperplane Arrangements (SCHA) in Sapporo, University of Hokkaido.
- July, 2016. Conference on Group Actions and Algebraic Combinatorics, Herstmonceaux Castle, UK.

- Commuting operator strategies for linear constraint system games.
- March, 2016. Analysis/Quantum Information seminar, University of Ottawa.

- Flag varieties and algebraic combinatorics
- January, 2016. Combinatorics and Optimization dept., University of Waterloo.

- Staircase diagrams and smooth Schubert varieties.
- January, 2016. Combinatorial algebra meets algebraic combinatorics (CAAC) 2016, University of Western Ontario.

- Schubert varieties and inversion hyperplane arrangements.
- November, 2015. Geometry and topology seminar, University of Western Ontario.

- Billey-Postnikov decompositions and enumeration of smooth Schubert varieties.
- October, 2015. Algebraic combinatorics seminar, University of Waterloo.

- Billey-Postnikov decompositions and a compactification of cotangent
bundles of cominuscule Grassmannians.
- September, 2015. Geometric representation theory seminar, University of Toronto.

- Schubert varieties and the combinatorics of hyperplane arrangements.
- October 2015. Tutte Colloquium, University of Waterloo.
- April 2015. Combinatorics seminar, University of Washington.
- February 2015. Colloquium, SUNY at Albany.
- February 2015. Colloquium, Oklahoma State University.

- Free inversion arrangements and Peterson translation.
- October 2014. Representation theory seminar, UMass Amherst.
- October 2014. Combinatorics seminar, MIT.
- October 2014. Combinatorics seminar, UCLA.
- October 2014. Oklahoma State University.

- Billey-Postnikov decompositions and rationally-smooth Schubert varieties.
- October 2014. Representation theory and related topics seminar, Northeastern.
- October 2014. Algebra seminar, USC.
- September 2014. Algebra-Geometry-Combinatorics seminar, UIUC.
- October 2013. Bay-area discrete math day, UC Berkeley.

- Root system pattern avoidance and free inversion arrangements.
- September 2014. Special session on Patterns in Permutations and Words, and Applications, AMS Sectional meeting, Eau Claire, Wisconsin.

- Rationally smooth Schubert varieties, inversion hyperplane arrangements, and Peterson translation.
- June 2014. FPSAC 2014, Chicago, Illinois.
- September 2013. Colloquium, University of Idaho.

- Strong Macdonald theorems and Kahler geometry of affine flag varieties.
- November 2012. Algebra and discrete math seminar, UC Davis.

- Twisted strong Macdonald theorems.
- October 2011. Algebraic geometry seminar, UBC.
- May 2011. Representation theory, geometry, and combinatorics seminar, UC Berkeley.

- Brylinski filtration for Kac-Moody algebras.
- October 2010. Workshop on Lie Groups, Lie Algebras, and their Representations, UC Berkeley.

- Entanglement in XOR non-local games.
- January 2010. IQC, Waterloo.