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Results tagged with ag.algebraic-geometry
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user 76345
Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
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The scheme $y^n = x^{2n}$ for $n$ a rational number [closed]
Let $n\geq 1$ be an integer. If $A$ is a ring, then the spectrum of $A[x,y]/(y^n - x^{2n})$ is a well-defined (affine) scheme, say $X_n$. This scheme describes the "variety" given by the equation $y^ …
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