diverse as harmonic analysis, equivariant K-theory, orthogonal polynomials, quantum groups, knot theory .... Cherednik's double affine Hecke algebra [18], [19]) and this in fact raises challenging new questions in ..... the Macdonald c-function (see [45], [55]). ...... in Math. 157, Cambridge University Press, Cambridge 2003.
http://www.icm2006.org/proceedings/Vol_II/contents/ICM_Vol_2_58.pdf