31 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Russian Academy of SciencesRU15 papers
- Sobolev Institute of MathematicsRU5 papers
- Nankai UniversityCN3 papers
- Southern Federal UniversityRU3 papers
- Altai State Technical UniversityRU2 papers
- National Research Nuclear University MEPhIRU2 papers
- North Ossetian State UniversityRU2 papers
- Siberian Branch of the Russian Academy of SciencesRU2 papers
- University of YorkGB2 papers
- Bauman Moscow State Technical UniversityRU1 paper
- Capital Normal UniversityCN1 paper
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalMX1 paper
14 papers · 1 filter
On geodesic orbit nilmanifolds
Yu. G. Nikonorov
The paper is devoted to the study of geodesic orbit Riemannian metrics on nilpotent Lie groups. The main result is the construction of continuous families of pairwise non-isomorphi…
Algebraic properties of bounded Killing vector fields
Ming Xu, Yu. G. Nikonorov
In this paper, we consider a connected Riemannian manifold where a connected Lie group acts effectively and isometrically. Assume defines…
Spectral properties of Killing vector fields of constant length
Yu. G. Nikonorov
This paper is devoted to the study of properties of Killing vector fields of constant length on Riemannian manifolds. If is a Lie algebra of Killing vector fields on…
Geodesic Orbit Riemannian Structures on
Carolyn S. Gordon, Yuriĭ G. Nikonorov
A geodesic orbit manifold is a complete Riemannian manifold all of whose geodesics are orbits of one-parameter groups of isometries. We give both a geometric and an algebraic chara…
On homogeneous geodesics and weakly symmetric spaces
V. N. Berestovskii, Yu. G. Nikonorov
In this paper, we establish a sufficient condition for a geodesic in a Riemannian manifold to be homogeneous, i.e. an orbit of an -parameter isometry group. As an application of…
On invariant Riemannian metrics on Ledger-Obata spaces
Y. Nikolayevsky, Yu. G. Nikonorov
We study invariant metrics on Ledger-Obata spaces . We give the classification and an explicit construction of all naturally reductive metrics, and also show…
Geodesic orbit Riemannian spaces with two isotropy summands. I
Zhiqi Chen, Yu. G. Nikonorov
The paper is devoted to the study of geodesic orbit Riemannian spaces that could be characterize by the property that any geodesic is an orbit of a 1-parameter group of isometries.…
On left-invariant Einstein Riemannian metrics that are not geodesic orbit
Yu. G. Nikonorov
In this paper we prove that the compact Lie group admits a left-invariant Einstein metric that is not geodesic orbit. In order to prove the required assertion, we develop som…
Invariant Einstein metrics on Ledger-Obata spaces
Zhiqi Chen, Yuriĭ Nikonorov, Yulia Nikonorova
In this paper, we study invariant Einstein metrics on Ledger-Obata spaces . In particular, we classify invariant Einstein metrics on $F^4/\operatorname{…
Invariant Einstein metrics on generalized Wallach spaces
Zhiqi Chen, Yu. G. Nikonorov
Invariant Einstein metrics on generalized Wallach spaces have been classified except . In this paper, we give a survey on the study of inva…
Classification of generalized Wallach spaces
Yu. G. Nikonorov
In this paper, we present the classification of generalized Wallach spaces and discuss some related problems.
The Ricci flow on generalized Wallach spaces
N. A. Abiev, A. Arvanitoyeorgos, Yu. G. Nikonorov +1
We consider the asymptotic behavior of the normalized Ricci flow on generalized Wallach spaces that could be considered as special planar dynamical systems. All non symmetric gener…
Negative eigenvalues of the Ricci operator of solvable metric Lie algebras
Yu. G. Nikonorov
In this paper we get a necessary and sufficient condition for the Ricci operator of a solvable metric Lie algebra to have at least two negative eigenvalues. In particular, this con…
Asymptotic behavior of support points for planar curves
Yu. G. Nikonorov
In this paper we prove a universal inequality describing the asymptotic behavior of support points for planar continuous curves. As corollaries we get an analogous result for tange…