Strobl18

Harmonic Analysis and Applications

June 4-8, 2018

Strobl, AUSTRIA

"An application of Krein Reproducing Kernel Modules"

Cerejeiras, Paula

Many applications linked to ultrahyperbolic equations and underlying noncommutative structures such as the spherical X-ray transform require function spaces associated to indefinite inner products. In this situation Hilbert modules are not the right choice as they do not reflect the induced geometry and so-called Clifford-Krein modules appear as a natural answer. Even more, one needs the equivalent of Hilbert spaces with reproducing kernels. Here we are going discuss the theory of Clifford-Krein modules with reproducing kernels and present examples of its use like in the crystallographic X-ray transform and for ultrahyperbolic Dirac operators. This is a Joint work with U. Kaehler.

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