Undergraduate Seminar
Details
Representation matrices in normed division algebras and Hurwitz matrices
by
Junjiajia Long

University of Toronto
Time: 16:00 — 18:00 (
Thursday, Feb. 10, 2011)
Location: BA6183, Bahen Center, 40 St. George St.
Abstract:
This is one of eight talks in a series called SUMS OF SQUARES EVERYWHERE, to be presented by some undergraduate students of Mathematics Department, University of Toronto.
Dates in this series
 · Thursday, Jan. 27, 2011:
On Fermat's Polygonal Number Theorem: From Geometry to numbers (Aleksandr Gontcharov)
 · Thursday, Feb. 03, 2011:
Positive Symmetric Even Sextic Forms (Joo Kim)
 · Thursday, Feb. 10, 2011:
Representation matrices in normed division algebras and Hurwitz matrices (Junjiajia Long)
 · Thursday, Feb. 17, 2011:
Division alegbras, the Hurwitz Theorem and parallelizability of spheres (Sergei Segatov)
 · Thursday, Mar. 03, 2011:
Integers presented as sum of 2, 3, 4 squares (Ming Xiao)
 · Thursday, Mar. 10, 2011:
A geometrical treatment of the completely positive matrices (Qiao Zhou)
 · Thursday, Mar. 17, 2011:
Positivity and sums of squares: Hilbert's 17th problem (Marina Brin)
 · Thursday, Mar. 24, 2011:
Sums of two squares (Richard Cerezo)