Recent developments on Chen–Ricci inequalities in differential geometry

BY Chen, AM Blaga - Geometry of Submanifolds and Applications, 2024 - Springer
One of the most fundamental interests in submanifold theory is to establish simple
relationships between the main extrinsic invariants and the main intrinsic invariants of …

Homology of warped product submanifolds in the unit sphere and its applications

A Ali, F Mofarreh, C Ozel… - International Journal of …, 2020 - World Scientific
In this work, several pinched conditions on the Laplacian and gradient of the warping
function are found in consideration of warped product submanifolds structure that force to …

The weakly generalized unicorns in Finsler geometry

A Tayebi, B Najafi - Science China Mathematics, 2021 - Springer
We classify the almost regular weakly stretch non-Randers-type (α, β)-metrics with vanishing
S-curvature. In the class of regular metrics, they reduce to Berwald ones. Here, we …

[HTML][HTML] Stable currents and homology groups in a compact CR-warped product submanifold with negative constant sectional curvature

A Ali, AH Alkhaldi, P Laurian-Ioan - Journal of Geometry and Physics, 2020 - Elsevier
The main purpose of this paper is to highlight some striking features of the relationship
between homology groups and compact warped product submanifolds geometry with …

Applications of differential equations to characterize the base of warped product submanifolds of cosymplectic space forms

A Ali, F Mofarreh, WA Mior Othman… - Journal of Inequalities and …, 2020 - Springer
In the present, we first obtain Chen–Ricci inequality for C-totally real warped product
submanifolds in cosymplectic space forms. Then, we focus on characterizing spheres and …

Ricci curvature for warped product submanifolds of Sasakian space forms and its applications to differential equations

F Mofarreh, A Ali, N Alluhaibi… - Journal of …, 2021 - Wiley Online Library
In the present paper, we establish a Chen–Ricci inequality for a C‐totally real warped
product submanifold Mn of Sasakian space forms M 21 m+ ε. As Chen–Ricci inequality …

[PDF][PDF] Ricci curvature on warped product submanifolds of Sasakian-space-forms

P Mandal, T Pal, SK Hui - Filomat, 2020 - doiserbia.nb.rs
The paper deals with the study of Ricci curvature on warped product pointwise bi-slant
submanifolds of Sasakian-space-form. We obtained some inequalities for such submanifold …

The normalized Ricci flow and homology in Lagrangian submanifolds of generalized complex space forms

F Mofarreh, A Ali, WAM Othman - International Journal of Geometric …, 2020 - World Scientific
In this paper, we prove that a simply connected Lagrangian submanifold in the generalized
complex space form is diffeomorphic to standard sphere 𝕊 n and the normalized Ricci flow …

On differential equations classifying a warped product submanifold of cosymplectic space forms

A Ali, F Mofarreh, R Ali, IA Badruddin - Journal of Inequalities and …, 2021 - Springer
In the present paper, we extend the study of (Ali et al. in J. Inequal. Appl. 2020: 241,) by
using differential equations (García-Río et al. in J. Differ. Equ. 194 (2): 287–299,; Pigola et al …

Characterization of Lagrangian Submanifolds by Geometric Inequalities in Complex Space Forms

LS Alqahtani - Advances in Mathematical Physics, 2021 - Wiley Online Library
In this paper, we give an estimate of the first eigenvalue of the Laplace operator on a
Lagrangian submanifold Mn minimally immersed in a complex space form. We provide …