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Related papers: Slant submanifolds of quaternionic space forms

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This paper focuses on deriving several curvature inequalities involving the Ricci and scalar curvatures of the horizontal and vertical distributions in anti-invariant Riemannian submersions from quaternionic space forms onto Riemannian…

Differential Geometry · Mathematics 2025-07-10 Kirti Gupta , Punam Gupta , R. K. Gangele

In this paper we prove two sharp inequalities involving the normalized scalar curvature and the generalized normalized $\delta$-Casorati curvatures for slant submanifolds in quaternionic space forms. We also characterize those submanifolds…

Differential Geometry · Mathematics 2015-06-10 Jaewon Lee , Gabriel-Eduard Vîlcu

We obtain certain inequalities involving several intrinsic invariants namely scalar curvature, Ricci curvature and $k$-Ricci curvature, and main extrinsic invariant namely squared mean curvature for submanifolds in a locally conformal…

Mathematical Physics · Physics 2007-05-23 Mukut Mani Tripathi , Jeong-Sik Kim , Jaedong Choi

We obtain sharp inequalities involving the Ricci curvature and the scalar curvature for anti-invariant Riemannian submersions from Sasakian space forms onto Riemannian manifolds.

Differential Geometry · Mathematics 2019-01-15 Hülya Aytimur , Cihan Özgür

We establish some inequalities of Chen's type between certain intrinsic invariants (involving sectional, Ricci and scalar curvatures) and the squared mean curvature of submanifolds tangent to the structure vector fields of a generalized…

Differential Geometry · Mathematics 2013-06-10 Luis M. Fernández , Ana M. Fuentes

In this paper we introduce slant Riemannian submersions from cosymplectic manifolds onto Riemannian manifolds. We obtain some results on slant Riemannian submersions of a cosymplectic manifolds. We also give examples and inequalities…

Differential Geometry · Mathematics 2013-11-15 İrem Küpeli Erken , Cengizhan Murathan

In this article, we establish Hineva inequality for different types of submanifolds of Quaternionic Space forms

Differential Geometry · Mathematics 2026-02-13 Idrees Fayaz Harry , Mehraj Ahmad Lone , Lokenath Ganguly

By establishing two general quadratic inequalities, we obtain some inequalities related to Ricci curvatures for Lagrangian submanifolds of K$\ddot{\mathrm{a}}$hler QCH-manifolds, which generalize some results for Lagrangian submanifolds of…

Differential Geometry · Mathematics 2017-09-29 Liang Zhang , Xudong Liu , Dandan Cai

For submanifolds tangent to the structure vector field in cosymplectic space forms, we establish a basic inequality between the main intrinsic invariants of the submanifold, namely its sectional curvature and scalar curvature on one side;…

Mathematical Physics · Physics 2007-05-23 Jeong-Sik Kim , Jaedong Choi

Certain basic inequalities between intrinsic and extrinsic invariants for a submanifold in a (k, m)-contact space form are obtained. As applications we get some results for invariant submanifolds in a (k,m)-contact space form.

Mathematical Physics · Physics 2007-05-23 Mukut Mani Tripathi , Jeong-Sik Kim , Jaedong Choi

We investigate the compact submanifolds in Riemannian space forms of nonnegative sectional curvature that satisfy a lower bound on the Ricci curvature, that bound depending solely on the length of the mean curvature vector of the immersion.…

Differential Geometry · Mathematics 2023-11-06 Marcos Dajczer , Theodoros Vlachos

In this paper, we derive some important optimal relationships for bi-slant submanifolds in metallic Riemannian product space forms enriching the understanding of their geometric properties and deepening the connection between intrinsic and…

Differential Geometry · Mathematics 2025-04-18 Harmandeep Kaur , Gauree Shanker

In this paper, authors have established Chen's inequalities for the submanifolds of quaternionic Kaehler manifolds characterized by Ricci quarter-symmetric metric connection. Other than these inequalities, we have also derived generalized…

Differential Geometry · Mathematics 2021-05-10 Umair Ali Wani , Mehraj Ahmad Lone

We study a pointwise inequality for submanifolds in real space forms involving the scalar curvature, the normal scalar curvature and the mean curvature. We translate it into an algebraic problem, allowing us to prove a slightly weaker…

Differential Geometry · Mathematics 2007-10-31 Franki Dillen , Johan Fastenakels , Joeri Van der Veken

In the present paper, we introduce bi-slant submersions from almost Hermitian manifolds onto Riemannian manifolds as a generalization of invariant, anti-invariant, semi-invariant, slant, semi-slant and hemi-slant Riemannian submersions. We…

General Mathematics · Mathematics 2020-03-10 Cem Sayar , Mehmet Akif Akyol , Rajendra Prasad

We introduce the notions of h-conformal slant submersions and almost h-conformal slant submersions from almost quaternionic Hermitian manifolds onto Riemannian manifolds as a generalization of Riemannian submersions, horizontally conformal…

Differential Geometry · Mathematics 2018-08-21 Kwang Soon Park , JeongHyeong Park

We introduce slant Riemannian submersions from Sasakian manifolds onto Riemannian manifolds. We survey main results of slant Riemannian submersions defined on Sasakian manifolds. We also give an example of such slant submersions.

Differential Geometry · Mathematics 2013-09-11 I. Küpeli Erken , C. Murathan

Let $M$ be an $n$-dimensional Lagrangian submanifold of a complex space form. We prove a pointwise inequality $$\delta(n_1,\ldots,n_k) \leq a(n,k,n_1,\ldots,n_k) \|H\|^2 + b(n,k,n_1,\ldots,n_k)c,$$ with on the left hand side any…

Differential Geometry · Mathematics 2013-07-08 Bang-Yen Chen , Franki Dillen , Joeri Van der Veken , Luc Vrancken

The aim of our paper is to focus on some properties of slant and semi-slant submanifolds of metallic Riemannian manifolds. We give some characterizations for submanifolds to be slant or semi-slant submanifolds in metallic or Golden…

Differential Geometry · Mathematics 2025-08-04 Cristina E. Hretcanu , Adara M. Blaga

In the present paper, we study hemi-slant submanifolds of a locally product Riemannian manifold. We prove that the anti-invariant distribution which is involved in the definition of hemi-slant submanifold is integrable and give some…

Differential Geometry · Mathematics 2014-05-27 Hakan Mete Taştan , Fatma Özdemir
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