Changes

*Formally, the Barnes G-function is defined in the following Weierstrass product form:

*Formally, the Barnes G-function is defined in the following Weierstrass product form:

<math>G(1+z)={(2\pi)}^\frac{z}{2}exp(-\frac{z+z^2(1+\gamma)}{2})</math>

<math>G(1+z)={(2\pi)}^\frac{z}{2}exp(-\frac{z+z^2(1+\gamma)}{2})</math>

<math>\prod_{k=1}^\infty{{(1+\frac{z}{k}}^k exp(\frac {z^2}{2k}-z)</math>

*<math>\prod_{k=1}^\infty</math>

<math>{{(1+\frac{z}{k}}^k exp(\frac {z^2}{2k}-z)</math>