A probabilistic proof of some integral formulas involving incomplete gamma functions

Pub Date : 2024-06-30 DOI:10.1080/03610926.2024.2363870
Robert E. Gaunt
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Abstract

The theory of normal variance mixture distributions is used to provide elementary derivations of closed-form expressions for the definite integrals ∫0∞x−2νcos⁡(bx)γ(ν,αx2)dx (for ν>1/2, b > 0, α > ...
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涉及不完全伽马函数的一些积分公式的概率证明
正态方差混合分布理论用于提供定积分∫0∞x-2νcos(bx)γ(ν,αx2)dx(ν>1/2,b>0,α>......)闭式表达式的基本推导。
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