Analyticity properties of trilinear SL(2, C) invariant forms in elementary representation parameters |
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Authors: | AI Oksak |
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Institution: | Institute for High Energy Physics, Serpukhov, USSR |
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Abstract: | Trilinear invariant forms over spaces transforming under the so-called elementary representations of SL (2, C) (obtained from the principal series by analytic continuation in the representation parameters) are studied with regard to their analyticity properties in the representation parameters. The method is based on a natural one-one correspondence between the invariant forms and invariant separately homogeneous distributions (called kernels of the forms) in three complex two-dimensional non-zero vectors. There exists a family Ψ of kernels of forms with analytic dependence on the representation parameters (Ψ being unique up to a family of complex multiples dependent on the parameters). Also associated kernels obtained by differentiating Ψ in the parameters are studied. |
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