D-homothetically fixed, weakly $(κ, μ)$-structures on contact metric spaces

Contact metric $(κ,μ)$-spaces are generalizations of Sasakian spaces. We introduce a weak $(κ,μ)$ condition as a generalization of the K-contact one and show that many of the known results from generalized Sasakian geometry hold in the weaker generalized K-contact geometry setting. In particular, we prove existence of K-contact and $(κ,μ=2)$-structures under some conditions on the Boeckx invariant.

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