An InternationalMath Circle
An International Math Circle Menu
Research
The archive of a series

AMMOC Seminar Notes

Records of seminars at which the pupils’ work met current research.

No. 2 Grassmann’s dimension formula, its analogies and where they stop A note by Yaashaa Golovanov · Research Seminar in Linear Algebra · October 2026 One law — the join plus the meet equals the sum of the parts — for sets, complexes, groups and matroids, and the three lines at which the analogy ends.
No. 1 What does a basis cost? A note by Yaashaa Golovanov · Research Seminar in Linear Algebra · September 2026 The pupils proved that every vector space has a basis; the note asks what that theorem costs, and the answer is the Axiom of Choice itself.