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math.DG2022
Sasaki versus Kähler groups
D. Kotschick, G. Placini
We study fundamental groups of compact Sasaki manifolds and show that compared to Kähler groups, they exhibit rather different behaviour. This class of groups is not closed under t…
math.DG2022
Any Sasakian structure is approximated by embeddings into spheres
Andrea Loi, Giovanni Placini
We show that, for any given , any Sasakian structure on a closed manifold is approximated in the -norm by structures induced by CR embeddings into weighted Sasa…