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Let $\mathfrak{F}$ be the following set: \[ \mathfrak{F}=\{z\in\mathcal{H}, |z|\geq1 \text{ and }\Re(z)\leq1/2\}\cup\{\infty\}. \] Then $\mathfrak{F}$ is a fundamental domain for the action of $\Gamma$ on $\mathcal{H}$.

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  • Last edited by Alex J. Best on 2019-05-25 09:10:22
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