Unique continuation at infinity for conical Ricci expanders
classification
🧮 math.DG
keywords
ricciinfinitycontinuationexpandersuniqueassociatedasymptoticasymptotically
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We establish Carleman inequalities for the weighted laplacian associated to an expanding gradient Ricci soliton. As a consequence, a unique continuation at infinity is proved for asymptotically Ricci flat Ricci expanders. The obstruction at infinity is a symmetric 2-tensor defined on the link of the corresponding asymptotic cone.
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