31 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Plovdiv UniversityBG23 papers
- Agricultural University PlovdivBG5 papers
- Bulgarian Academy of SciencesBG2 papers
- Institute of Mathematics and InformaticsBG2 papers
- Sofia University "St. Kliment Ohridski"BG2 papers
- Faculty of Public HealthGB1 paper
- St. Cyril and St. Methodius University of Veliko TarnovoBG1 paper
- University of PennsylvaniaUS1 paper
7 papers · 1 filter
Slant null curves on normal almost contact B-metric 3-manifolds with parallel Reeb vector field
Galia Nakova, Hristo Manev
In this paper we study slant null curves with respect to the original parameter on 3-dimensional normal almost contact B-metric manifolds with parallel Reeb vector field. We prove…
A general semilocal convergence theorem for simultaneous methods for polynomial zeros and its applications to Ehrlich's and Dochev-Byrnev's methods
Petko D. Proinov
In this paper, we establish a general semilocal convergence theorem (with computationally verifiable initial conditions and error estimates) for iterative methods for simultaneous…
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…
On a family of Weierstrass-type root-finding methods with accelerated convergence
Petko D. Proinov, Maria T. Vasileva
Kyurkchiev and Andreev (1985) constructed an infinite sequence of Weierstrass-type iterative methods for approximating all zeros of a polynomial simultaneously. The first member of…
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…
Space-like and time-like hyperspheres in real pseudo-Riemannian 4-spaces with almost contact B-metric structures
Hristo Manev
There are considered 4-dimensional pseudo-Riemannian spaces with inner products of signature (3,1) and (2,2). The objects of investigation are space-like and time-like hyperspheres…
General convergence theorems for iterative processes and applications to the Weierstrass root-finding method
Petko D. Proinov
In this paper, we prove some general convergence theorems for the Picard iteration in cone metric spaces over a solid vector space. As an application, we provide a detailed converg…