Keywords: almost contact structures, quasi-Sasakian structures, conformal transformations, concircular transformations, contact Lie form, quasi-Sasakian manifolds, Sasakian manifolds, cosymplectic manifolds, contact self-dual manifolds, contact anti-self-dual manifolds.

Publications in Math-Net.Ru

Personal pages:

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Organisations:

• Lomonosov Moscow State University
• Moscow State Pedagogical University
• Moscow Mathematical Society