# Modular Forms-Fundamental Domain

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## Main Question or Discussion Point

Apologies if this is a stupid question, but is the fundamental domain unique?

And what exactly is the definition of a cusp- a quick google tells me it is 'where two curves meet', so looking at the fundamental domain,I would say $\omega=\exp^{\frac{2\pi i}{ 3}}$ and $\omega*$ are?

thanks

.Scott
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