Differential Geometry Working SeminarExport this event to calendar

Wednesday, July 28, 2021 — 11:00 AM EDT

Max Chemtov, Department of Pure Mathematics, University of Waterloo

"Subalgebras of so(7) Induced by the Coassociative 4-Form on R^7"

Consider the 2-forms on R^7 resulting from evaluating the coassociative 4-form on two vectors. It turns out that, when such vectors are restricted to an associative 3-plane P, these 2-forms along with those in Λ^2(P) give a subalgebra of so(7) isomorphic to so(3) ♁ so(3). After giving some brief context, we will discuss this fact and characterize the intersections of such subalgebras for different choices of P.

Zoom meeting:

  • Meeting ID: 958 7361 8652
  • Passcode: 577854
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