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By using our recent generalization of the colliding waves concept tometric-affine gravity theories, and also our generalization of the advanced andretarded time coordinate representation in terms of Jacobi functions, we find ageneral class of colliding wave solutions with fourth degree polynomials inmetric-affine gravity. We show that our general approach contains the standardsecond degree polynomials colliding wave solutions as a particular case.Comment: 13 pages, latex, to appear in J.Math.Phy

A class of colliding waves in metric-affine gravity, nonmetricity and torsion shock waves