## John Graham
## Friday 24th February, 12.05-12.55pm, Carslaw 159## On the centre of the Iwahori-Hecke algebra of the symmetric group
Dipper and James have conjectured that the centre of the Hecke algebra
of type A
is the set of symmetric polynomials in the Jucys-Murphy elements.
There is a canonical surjective homomorphism from the affine Hecke
algebra of type A
to this Hecke algebra. When |