Difference between revisions of "Weierstrass sigma"

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(Created page with "Let $\Lambda \subset \mathbb{C}$ be a lattice. The Weierstrass $\sigma$ function is defined by $$\sigma(z;\Lambda)=z \displaystyle\prod_{w \in \Lambda^*} \left( 1 - \dfrac...")
 
 
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Let $\Lambda \subset \mathbb{C}$ be a [[lattice]]. The Weierstrass $\sigma$ function is defined by
 
Let $\Lambda \subset \mathbb{C}$ be a [[lattice]]. The Weierstrass $\sigma$ function is defined by
$$\sigma(z;\Lambda)=z \displaystyle\prod_{w \in \Lambda^*} \left( 1 - \dfrac{z}{w} \right) e^{\frac{z}{w}+\frac{1}{2}(\frac{z}{w})^2},$$
+
$$\sigma(z;\Lambda)=z \displaystyle\prod_{w \in \Lambda \setminus \{0\}} \left( 1 - \dfrac{z}{w} \right) e^{\frac{z}{w}+\frac{1}{2}(\frac{z}{w})^2}.$$
where $\Lambda^*=\Lambda \setminus \{0\}$.
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[[Category:SpecialFunction]]

Latest revision as of 18:38, 24 May 2016

Let $\Lambda \subset \mathbb{C}$ be a lattice. The Weierstrass $\sigma$ function is defined by $$\sigma(z;\Lambda)=z \displaystyle\prod_{w \in \Lambda \setminus \{0\}} \left( 1 - \dfrac{z}{w} \right) e^{\frac{z}{w}+\frac{1}{2}(\frac{z}{w})^2}.$$