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Department of Mathematical Sciences

Seminar Archives

On this page you can find information about seminars in this and previous academic years, where available on the database.

Pure Maths Colloquium: Invariant theory - from Cayley to the Verlinde formula

Presented by "Shigeru Mukai (RIMS, Kyoto, Japan)",

18 February 2002 16:00 in CM221

" The discriminant b^2-4ac of a quadratic equation is the oldest and easiest invariant. It generates the ring of
invariants in this case. But this does not hold for equations of higher degree. Cayley and Sylvester computed
the number of invariants of a given degree and studied the structure of the invariant ring. In the latter half of this
talk I will discuss their formula in connection with the celebrated Verlinde formula which counts the number of
"conformal blocks"."

Contact anna.felikson@durham.ac.uk for more information