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math.RT2014
Integral representation and sharp asymptotic results for some Heckman-Opdam hypergeometric functions of type BC
Margit Rösler, Michael Voit
The Heckman-Opdam hypergeometric functions of type BC extend classical Jacobi functions in one variable and include the spherical functions of non-compact Grassmann manifolds over…
math.RT2009
Convolution algebras for Heckman-Opdam polynomials derived from compact Grassmannians
Heiko Remling, Margit Rösler
We study convolution algebras associated with Heckman-Opdam polynomials. For root systems of type BC we derive three continuous classes of positive convolution algebras (hypergroup…