On infinitesimal Einstein deformations
classification
🧮 math.DG
keywords
deformationseinsteininfinitesimalmanifoldsbourguignoncertaincompactconditions
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We study infinitesimal Einstein deformations on compact flat manifolds and on product manifolds. Moreover, we prove refinements of results by Koiso and Bourguignon which yield obstructions on the existence of infinitesimal Einstein deformations under certain curvature conditions.
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