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Asymptotic expansions of generalized hypergeometric functions. - MaRDI portal

Asymptotic expansions of generalized hypergeometric functions. (Q1460432)

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scientific article; zbMATH DE number 2598357
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Asymptotic expansions of generalized hypergeometric functions.
scientific article; zbMATH DE number 2598357

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    Asymptotic expansions of generalized hypergeometric functions. (English)
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    1923
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    Der Verf. untersucht die asymptotischen Darstellungen der Funktionen \[ F(v) = \int e^{i(x^k-vx)}\, dx,\quad C(\lambda) = \int_0^\infty e^{-x^k} \cos \lambda x\,dx,\quad G(\lambda) = \int_0^\infty e^{-x^k}\sin\lambda x\,dx \] nach der bekannten Sattelpunktmethode, wenn \(k\) eine positive ganze Zahl ist. Aus diesen Darstellungen werden die absolut großen Nullstellen von \(F (v)\) und \(G(\lambda)\) gewonnen.
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