Results 1 to 10 of about 14,803 (150)

Holomorphic Sectional Curvature of Complex Finsler Manifolds. [PDF]

open access: yesJ Geom Anal, 2019
In this paper, we get an inequality in terms of holomorphic sectional curvature of complex Finsler metrics. As applications, we prove a Schwarz Lemma from a complete Riemannian manifold to a complex Finsler manifold.
Wan X.
europepmc   +9 more sources

Complex nilmanifolds with constant holomorphic sectional curvature [PDF]

open access: yesProceedings of the American Mathematical Society, 2021
A well known conjecture in complex geometry states that a compact Hermitian manifold with constant holomorphic sectional curvature must be Kähler if the constant is non-zero and must be Chern flat if the constant is zero.
Yulu Li, F. Zheng
semanticscholar   +4 more sources

A Liouville Property of Holomorphic Maps [PDF]

open access: yesThe Scientific World Journal, 2013
We prove a Liouville property of holomorphic maps from a complete Kähler manifold with nonnegative holomorphic bisectional curvature to a complete simply connected Kähler manifold with a certain assumption on the sectional curvature.
Chengjie Yu
doaj   +2 more sources

On the image of MRC fibrations of projective manifolds with semi-positive holomorphic sectional curvature [PDF]

open access: yesPure and Applied Mathematics Quarterly, 2018
In this paper, we pose several conjectures on structures and images of maximal rationally connected fibrations of smooth projective varieties admitting semi-positive holomorphic sectional curvature.
Matsumura, Shin-ichi
core   +2 more sources

On the boundary behavior of the holomorphic sectional curvature of the Bergman metric [PDF]

open access: yesLe Matematiche, 2006
We obtain a conceptually new differential geometric proof of P. F. Klembeck’s result (cf. [9]) that the holomorphic sectional curvature k g (z ) of the Bergman metric of a strictly pseudoconvex domain Ω ⊂ ℂ n approaches −4/(n + 1 ...
Elisabetta Barletta
doaj   +4 more sources

Curvature Identities for Generalized Kenmotsu Manifolds [PDF]

open access: yesE3S Web of Conferences, 2021
In the present paper we obtained 2 identities, which are satisfied by Riemann curvature tensor of generalized Kenmotsu manifolds. There was obtained an analytic expression for third structure tensor or tensor of f-holomorphic sectional curvature of GK ...
Ahmad Abu-Saleem   +2 more
doaj   +1 more source

K- constant type Kahler and Nearly Kahler manifolds for conharmonic curvature tensor

open access: yesTikrit Journal of Pure Science, 2023
The constant of permanence conharmonic type kahler and nearly kahler manifold conditions are obtained when the Nearly Kahler manifold is a manifold conharmonic constant type (K).
Ali A. Shihab, Rana H. jasim
doaj   +1 more source

Bergman–Calabi diastasis and Kähler metric of constant holomorphic sectional curvature [PDF]

open access: yesPure and Applied Mathematics Quarterly, 2021
We prove that for a bounded domain in C with the Bergman metric of constant holomorphic sectional curvature being biholomorphic to a ball is equivalent to the hyperconvexity or the exhaustiveness of the Bergman-Calabi diastasis. By finding its connection
R. X. Dong, B. Wong
semanticscholar   +1 more source

Norden Golden Manifolds with Constant Sectional Curvature and Their Submanifolds

open access: yesMathematics, 2023
This paper discusses the Norden golden manifold having a constant sectional curvature. First, it is shown that if a Norden golden manifold has a constant real sectional curvature, the manifold is flat.
Fulya Şahin   +2 more
doaj   +1 more source

Sasakian surfaces of invariable holomorphic sectional curvature in Hyper-Kaehlerian manifolds

open access: yesJournal of Mountain Research, 2023
Negi and Bisht (2019) measured almost contact hypersurfaces of a Kaehlerian manifold. They (Negi and Bisht 2022) also calculated hypersurface Properties of Almost Contact Kaehlerian Manifolds.
U. S. Negi   +3 more
semanticscholar   +1 more source

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