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6 votes
1 answer
752 views

Roots of characteristic function of "reciprocal gamma measure"

Let us call a measure $\mu$ on the Borel $\sigma$-algebra $\mathfrak{B}_{(0,\infty)}$ of subsets of $(0,\infty)$ a reciprocal gamma measure if it is absolutely continuous with respect to the Lebesgue ...
day1pnl's user avatar
  • 133
3 votes
1 answer
244 views

How to compute $\int_{\mathbb S^2} e^{-i\left<t,\omega\right>} \, e^{-i\left< A(\omega)x,y\right>} \, d\sigma(\omega)$

I would like compute the following $$I_{t,x,y} = \int_{\mathbb S^2} e^{-i\left<t,\omega\right>} \, e^{-i\left< A(\omega)x,y\right>} \, d\sigma(\omega); $$ where $\mathbb S^2$ is the two-...
Z. Alfata's user avatar
  • 650