Arithmetic Geometry
Rigid cohomology is a type of cohomology theory used in the study of rigid analytic spaces, which are a class of spaces that arise in the context of non-archimedean geometry. It allows for the analysis of the topological and algebraic properties of these spaces, particularly focusing on how they interact with arithmetic structures. This theory is essential for understanding the relationship between algebraic varieties over non-archimedean fields and their rigid analytic counterparts.
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