Riemannian Geometry of Contact and Symplectic Manifolds
Citations
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Cites background from "Riemannian Geometry of Contact and ..."
...The manifold M is said to be an almost contact manifold if it is endowed with an almost contact structure [6]....
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...If N (1) vanishes identically, then the almost contact manifold (structure) is said to be normal [6]....
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Cites methods from "Riemannian Geometry of Contact and ..."
...We recall the notion of 3-Sasakian manifolds following [4, 6, 5]....
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Additional excerpts
...Let M be a connected almost contact metric manifold with an almost contact metric structure (φ, ξ, η, g), that is, φ is a (1, 1) tensor field, ξ is a vector field, η is a 1-form and g is a compatible Riemannian metric such that (see [6]) φ(2)X = −X + η(X)ξ, η(ξ) = 1, φξ = 0, ηφ = 0, g(φX, φY ) = g(X,Y )− η(X)η(Y ), g(X,φY ) = −g(φX, Y ), g(X, ξ) = η(X), for all X,Y ∈ T (M) [3]....
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