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Associated Nijenhuis Tensors on Manifolds with Almost Hypercomplex Structures and Metrics of Hermitian-Norden Type
Mancho Manev
An associated Nijenhuis tensor of endomorphisms in the tangent bundle is introduced. Special attention is paid to such tensors for an almost hypercomplex structure and the metric o…
Manifolds with almost contact 3-structure and metrics of Hermitian-Norden type
Mancho Manev
It is introduced a differentiable manifold with almost contact 3-structure which consists of an almost contact metric structure and two almost contact B-metric structures. The prod…
Pair of associated Schouten-van Kampen connections adapted to an almost contact B-metric structure
Mancho Manev
There are introduced and studied a pair of associated Schouten-van Kampen affine connections adapted to the contact distribution and an almost contact B-metric structure generated…
Invariant Tensors under the Twin Interchange of Norden Metrics on Almost Complex Manifolds
Mancho Manev
The object of study are almost complex manifolds with a pair of Norden metrics, mutually associated by means of the almost complex structure. More precisely, a torsion-free connect…