Backwards uniqueness of the Ricci flow
classification
🧮 math.DG
math.AP
keywords
flowriccisolutionbackwardsbackwards-uniquenesscannotconsequencecontinuation
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In this paper, we prove a unique continuation or ``backwards-uniqueness'' theorem for solutions to the Ricci flow. A particular consequence is that the isometry group of a solution cannot expand within the lifetime of the solution.
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