Cohomology Rings of Moduli of Point Configurations on the Projective Line
classification
🧮 math.AG
math.RT
keywords
moduliringscohomologyconfigurationslineprojectiveadmittingapplication
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We describe the Chow rings of moduli spaces of ordered configurations of points on the projective line for arbitrary (sufficiently generic) stabilities. As an application, we exhibit such a moduli space admitting two small desingularizations with non-isomorphic cohomology rings.
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