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Results tagged with brauer-groups
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user 70593
Questions concerning Brauer groups of fields, rings, varieties, schemes or more general ringed spaces, invariants associated to Brauer classes such as index and period.
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Can one control the ramification of a Brauer class under birational morphisms?
Assume we are given a Brauer class $\xi\in Br(k(\mathbb{P}^n))$ ramified at some divisor $D\subset \mathbb{P}^n$, here $k=\mathbb{C}$.
If $f: \mathbb{P}^n\mathrel{-\,}\rightarrow \mathbb{P}^n$ is a b …
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