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Recurrence relations for connection coefficients between<b><i>Q</i></b>-orthogonal polynomials of discrete variables in the non-uniform lattice
We obtain the structure relations for q-orthogonal polynomials in the exponential lattice and from these we construct the recurrence relation for the connection coefficients between two families of polynomials belonging to the classical class of discrete q-orthogonal polynomials. An explicit example is also given.