A note on Canonical Ricci forms on 2-step nilmanifolds
classification
🧮 math.DG
keywords
canonicalconnectionnoterespectricci-flatstepalmostanother
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In this note we prove that any left-invariant almost Hermitian structure on a 2-step nilmanifold is Ricci-flat with respect to the Chern connection and that it is Ricci-flat with respect to another canonical connection if and only if it is cosymplectic.
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