25 citations
- Medical University PlovdivBG3 papers
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- Joint Institute for Nuclear ResearchRU1 paper
- Memorial University of NewfoundlandCA1 paper
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math.DG2020
Hyperspheres in Euclidean and Minkowski 4-spaces as almost paracontact almost paracomplex Riemannian manifolds
Mancho Manev, Veselina Tavkova
Almost paracontact almost paracomplex Riemannian manifolds of the lowest dimension are studied. Such structures are constructed on hyperspheres in 4-dimensional spaces, Euclidean a…
math.CA2020
About Conformable Derivatives in Banach Spaces
Hristo Kiskinov, Milena Petkova, Andrey Zahariev +1
In the paper we discuss conformable derivative behavior in arbitrary Banach spaces and clear the connection between two conformable derivatives of different order. As a consequence…
math.DG2020★ 2 cited
On 3-dimensional almost Einstein manifolds with circulant structures
Iva Dokuzova
A 3-dimensional Riemannian manifold equipped with a tensor structure of type , whose third power is the identity, is considered. This structure and the metric have circulant…