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Hankel matrices are square matrices whose coefficients $a_{i,j}$ only depend on the sum $i+j$. They appear in particular in the theory of orthogonal polynomials on the real line.

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Hankel determinant of incomplete gamma functions

I have some expressions that involve Hankel determinants of incomplete gamma functions. They are of the ($r \times r$ form) I'd like to evaluate these determinants. Elementary operations help, but …
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Hankel determinant of incomplete gamma functions

Thanks! I will follow up. I re-cast the determinant as a better-conditioned one with entries that are partial inner products of Laguerre polynomials, I thought I'd try this first. I am interested pr …
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