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math.DG2018
Invariant tensors under the twin interchange of the pairs of the associated metrics on almost paracomplex pseudo-Riemannian manifolds
Mancho Manev
The object of study is almost paracomplex pseudo-Riemannian manifolds with a pair of metrics associated each other by the almost paracomplex structure. A torsion-free connection an…
math.DG2018
On Almost Paracontact Almost Paracomplex Riemannian Manifolds
Mancho Manev, Veselina Tavkova
Almost paracontact manifolds of an odd dimension having an almost paracomplex structure on the paracontact distribution are studied. The components of the fundamental (0,3)-tensor,…
math.DG2018★ 2 cited
Two types of Lie Groups as 4-dimensional Riemannian manifolds with circulant structure
Iva Dokuzova, Dimitar Razpopov, Mancho Manev
A 4-dimensional Riemannian manifold equipped with an endomorphism of the tangent bundle, whose fourth power is the identity, is considered. The matrix of this structure in some bas…