*p*-adic cohomology

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In mathematics, **p-adic cohomology** means a cohomology theory for varieties of characteristic *p* whose values are modules over a ring of *p*-adic integers. Examples (in roughly historical order) include:

- Serre's Witt vector cohomology
- Monsky–Washnitzer cohomology
- Infinitesimal cohomology
- Crystalline cohomology
- Rigid cohomology

## See also

- p-adic Hodge theory
- Étale cohomology, taking values over a ring of
*l*-adic integers for*l*≠*p*

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Original source: https://en.wikipedia.org/wiki/P-adic cohomology.
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