CoCalc Public Fileswww / talks / MSRI-touching / tex / modular-curves.texOpen with one click!
Author: William A. Stein
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\documentclass{slides}
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\usepackage{graphicx}
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\usepackage{psfrag}
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\usepackage{amsfonts}
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\newcommand{\Q}{\mathbf{Q}}
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\newcommand{\union}{\cup}
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\newcommand{\h}{\mathfrak{h}}
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\usepackage{color}
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\begin{document}
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\begin{slide}
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The quotient of $\h\union\Q\union \{\infty\}$ by the action of
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$\Gamma_0(N)$ is a compact Riemann surface $X_0(N)$.
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\end{slide}
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\end{document}
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