Michael Chapman's Homepage
Group Theory, Graph Theory, High Dimensional Combinatorics, Quantum Information Theory
Publications and Preprints
A. Chapman and M. Chapman, Symbol p-Algebras of prime degree and their p-central subspaces, Archiv der Mathematik 108 (2017), Issue 3, pp 241–249 [arXiv] [PDF]
M. Chapman and I. Efrat, Filtrations of free groups arising from the lower central series, J. Group Theory 19 (2016), special issue in memory of O. Melnikov, pp 405--433. [arXiv] [PDF]
Stability of approximate group actions [Notes]:
TCS seminar at BGU 2.12.19, Algebra seminar at Haifa university 9.12.19, TCS seminar at HUJI 17.6.20 (Oren talked about this work on Wednesday 27.5.20: ETH Online geometry seminar)
Cutoff on Ramanujan Complexes and Classical groups [Notes]:
Graphs which are expanders both locally and globally [Notes]:
Combinatorics Seminar HUJI, 12.11.18. Weizmann institute, 13.12.18. Combinatorics Seminar Technion, 10.4.19. Combinatorics Seminar TAU, 5.5.19. Combinatorial Theory seminar Oxford, 14.5.19. Short version at Student Combinatorics Day, BIU, 7.7.19. HDX Summer cluster, Simons institute Berkeley, 23.8.19. FOCS2019, 10.11.19, Presentation in memory of Ela Lipcer (Video).
Filtrations of free groups and Magnus' theory, Algebra seminar, Western University, Canada, May 2016 [Notes]
More talks and talk notes appear in the teachings section.
I was the chief instructor & academic advisor of Israel's Junior Science Team between Jan 2018 and Dec 2020.
Before that, between Oct 2011 and Aug 2018, I was part of the academic staff of Israel's Junior Mathematics Team and occasionally assisted the academic staff of Israel's IMO team.