Teaching

Lecturer

• Selected Topics in Combinatorics, Southern University of Science and Technology, Fall 2026.
• Discrete Mathematics, Southern University of Science and Technology, Spring 2026. (7 students)
• Combinatorics II, Southern University of Science and Technology, Spring 2026. (13 students)
• Linear Algebra (MA113, English Section), Southern University of Science and Technology, Fall 2025 (28 students).
• Combinatorics (MAT8022), Southern University of Science and Technology, Spring 2025 (9 students).
• Undergraduate Seminar: Polynomial Methods and Incidence Theory, Southern University of Science and Technology, Spring 2025 (9 undergraduate students, 2 PhD students).
• Linear Algebra (MA113, English Section), Southern University of Science and Technology, Fall 2024 (11 students).
• Combinatorics (MAT8022), Southern University of Science and Technology, Spring 2024 (13 students).
• Undergraduate Seminar: Linear Algebra in Extremal Combinatorics, Southern University of Science and Technology, Spring 2024 (3 undergraduate students, 2 PhD students).
• Capita Selecta in Galois Geometry, Ghent University, Spring 2023 (7 students, co-lecturer, 50%).
• Eindige Meetkunde (Finite Geometry), Ghent University, Spring 2022 (16 students, co-lecturer with circa 40%).
• Capita Selecta in de Meetkunde (Selected topics in Finite Geometry), Ghent University, Spring 2021 (4 students, co-lecturer, 50%).
• Eindige Meetkunde (Finite Geometry), Ghent University, Spring 2020 (3 students, co-lecturer with circa 40%).
• Calculus 2 (Math 111), University of Regina, Winter 2017 (ca. 20 students).
• Calculus 1 (Math 110), University of Regina, Fall 2016 (ca. 80 students).

Students/Supervision

Students for whom I am the main supervisor:

• Ma Xiao, PhD student, since Fall 2025
• Zhao Weiguang, Master student, since Fall 2025.
• Yuan Haobin, Master student, since Fall 2025.
• Chen Luan, Bachelor student, Spring 2026.
• Zhang Zhexi, Bachelor student, Spring 2026.

Here are other students with whom I collaborated:

• Robin Simoens, PhD student: co-authored a paper on design switchings.
• Ni An, PhD student: co-authored a paper on critical points of the systole function.
• Simon Raßmann, PhD Student: co-authored a paper on the twin-width of graphs.
• Lena Volk, PhD Student: co-authored a paper on the twin-width of graphs.
• Jonathan Mannaert, Master thesis, examiner.
• Subproject on permutation groups in the Polymath Jr 2022 project on Ramsey numbers. Participants: Rowan McKee, Minh-Quan Vo, Timothy Cheek.
• Diana Davidova, PhD student, co-authored paper on Niho bent functions.
• Jozefien D'haeseleer, PhD student, co-authored paper on Cameron-Liebler sets.
• Himanshu Gupta, PhD thesis, co-authored paper on the least distortion constant.
• Matt McGinnis, PhD thesis, co-supervised Ch. 2 of thesis.
• Organized the University of Regina Discrete Mathematics Research Group in Fall 2019. The group includes advanced undergraduate and graduate students.

Letters of Recommendation

I wrote letters of recommendation for the following people. If successful, then I list the position.

• Zhang Zhexi. PKU Algebraic Combinatorics Experience (PACE), an eight-week summer Research Experience for Undergraduate Students (REU), 2025.
• Semin Yoo. Position: Research Fellow at the Korea Institute for Advanced Study (KIAS), 2021.

Scientific and Teaching Assistant

All at the JLU Giessen.

• Wissenschaftliche Grundlagen des mathematischen Schulstoffs II (Scientific Foundations of High-School Mathematics II), Albrecht Beutelspacher, SS 2016
• Wissenschaftliche Grundlagen des mathematischen Schulstoffs I (Scientific Foundations of High-School Mathematics I), Albrecht Beutelspacher, WS 2015/16
• Wissenschaftliche Grundlagen des mathematischen Schulstoffs II (Scientific Foundations of High-School Mathematics II), Albrecht Beutelspacher, SS 2015
• Algebra für Gymnasiallehramt (Algebra for Grammar School), Albrecht Beutelspacher, WS 2014/15
• Lineare Algebra 2 für Gymnasiallehramt (Linear Algebra 2 for Grammar School), Albrecht Beutelspacher, SS 2014
• Lineare Algebra 1 für Gymnasiallehramt (Linear Algebra 1 for Grammar School), Albrecht Beutelspacher, WS 2013/14
• Wissenschaftliche Grundlagen des mathematischen Schulstoffs IV (Scientific Foundations of High-School Mathematics IV), Albrecht Beutelspacher, SS 2013
• Wissenschaftliche Grundlagen des mathematischen Schulstoffs III (Scientific Foundations of High-School Mathematics III), Albrecht Beutelspacher, WS 2012/13
• Algebra für Gymnasiallehramt (Algebra for Grammar School), Albrecht Beutelspacher, WS 2012/13
• Geometrie (Geometry), Albrecht Beutelspacher, SS 2012

Teaching Assistant

All at the JLU Giessen.

• Algebra, Klaus Metsch, WS 2011/12
• Lineare Algebra 2, Klaus Metsch, SS 2011
• Lineare Algebra 1, Klaus Metsch, WS 2010/11
• Lineare Algebra 2, Albrecht Beutelspacher, SS 2010
• Algebra für Gymnasiallehramt, Albrecht Beutelspacher, WS 2009/10
• Analytische Geometrie und Lineare Algebra 2, Albrecht Beutelspacher, SS 2009
• Analytische Geometrie und Lineare Algebra 1, Albrecht Beutelspacher, WS 2008/09