The Unit Re-Balancing Problem

Autor: Robin Dee, Armin Fügenschuh, George Kaimakamis

Publikováno v: Mathematics, Vol 9, Iss 24, p 3205 (2021)

We describe the problem of re-balancing a number of units distributed over a geographic area. Each unit consists of a number of components. A value between 0 and 1 describes the current rating of each component. By a piecewise linear function, this v

Externí odkaz: https://doaj.org/article/84f10b38ec0c4dfbb270b7c5a85601f5

Classification of real hypersurfaces in complex quadric in terms of new tensors

Autor: Juan de Dios Pérez, George Kaimakamis, Konstantina Panagiotidou

Publikováno v: Periodica Mathematica Hungarica. 83:250-259

In this paper two new tensor fields on real hypersurfaces in complex quadric are introduced. Real hypersurfaces on which the derivatives of the tensor fields with respect to the Levi-Civita connection and the k-th generalized Tanaka–Webster connect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::010696354bd015e521b66b4dbdecfcea
https://doi.org/10.1007/s10998-021-00383-0

A Characterization of Ruled Real Hypersurfaces in Non-Flat Complex Space Forms

Autor: Juan de Dios Pérez, George Kaimakamis, Konstantina Panagiotidou

Publikováno v: Mathematics
Volume 8
Issue 4
Digibug. Repositorio Institucional de la Universidad de Granada
instname
Mathematics, Vol 8, Iss 642, p 642 (2020)

The authors would like to thank the reviewers for their valuable comments in order to improve the paper.
The Levi-Civita connection and the k-th generalized Tanaka-Webster connection are defined on a real hypersurface M in a non-flat complex spa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42e5b53ec17fb0bb504f866809b700a6

Derivatives of the Operator $$\phi A-A\phi $$ϕA-Aϕ on a Real Hypersurface in Non-flat Complex Space Forms

Autor: George Kaimakamis, Konstantina Panagiotidou, Juan de Dios Pérez

Publikováno v: Bulletin of the Malaysian Mathematical Sciences Society. 43:267-282

On a real hypersurface M in a non-flat complex space form, two types of connections can be defined: the Levi-Civita connection, which is torsion free and, for any nonnull constant k, the kth generalized Tanaka-Webster connection, which is an affine c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d094719aa0335e95cf84332f88d2174
https://doi.org/10.1007/s40840-018-0679-9

On a New type of Tensor on Real Hypersurfaces in Non-Flat Complex Space Forms

Autor: Konstantina Panagiotidou, George Kaimakamis

Publikováno v: Symmetry, Vol 11, Iss 4, p 559 (2019)
Symmetry
Volume 11
Issue 4

In this paper the notion of ∗ -Weyl curvature tensor on real hypersurfaces in non-flat complex space forms is introduced. It is related to the ∗ -Ricci tensor of a real hypersurface. The aim of this paper is to provide two classification theorems

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63dea963785359e660dcf4a39dc80c45
https://www.mdpi.com/2073-8994/11/4/559