Harmonic Analysis on Symmetric Spaces and Applications I

Since its beginnings with Fourier (and as far back as the Babylonian astron­ omers), harmonic analysis has been developed with the goal of unraveling the mysteries of the physical world of quasars, brain tumors, and so forth, as well as the mysteries of the nonphysical, but no less concrete, world of prime numbers, diophantine equations, and zeta functions. Quoting Courant and Hilbert, in the pref...