The Composite Cosine Transform on the Stiefel Manifold and Generalized Zeta Integrals

E. Ournycheva, B. Rubin

We introduce a new integral transform $T^\lam f$, $\lam \in C^m$, on the Stiefel manifold of orthonormal $m$-frames in $R^n$ which generalizes the $\lam$-cosine transform on the Gr…