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28 Results Found

  • Article
  • Open Access
16 Citations
2,713 Views
13 Pages

14 February 2020

In this paper, we prove some inequalities in terms of the normalized δ -Casorati curvatures (extrinsic invariants) and the scalar curvature (intrinsic invariant) of statistical submanifolds in holomorphic statistical manifolds with constan...

  • Article
  • Open Access
20 Citations
4,588 Views
9 Pages

31 March 2016

By using new algebraic techniques, two Casorati inequalities are established for submanifolds in a Riemannian manifold of quasi-constant curvature with a semi-symmetric metric connection, which generalize inequalities obtained by Lee et al. J. Inequa...

  • Article
  • Open Access
11 Citations
2,031 Views
13 Pages

25 October 2021

The purpose of this article is to establish some inequalities concerning the normalized δ-Casorati curvatures (extrinsic invariants) and the scalar curvature (intrinsic invariant) of totally real spacelike submanifolds in statistical manifolds of the...

  • Feature Paper
  • Article
  • Open Access
5 Citations
2,172 Views
16 Pages

8 June 2022

In this paper, we prove some inequalities between intrinsic and extrinsic curvature invariants, namely the normalized δ-Casorati curvatures and the scalar curvature of statistical submanifolds in Kenmotsu statistical manifolds of constant ϕ...

  • Article
  • Open Access
5 Citations
2,812 Views
10 Pages

17 November 2018

A statistical structure is considered as a generalization of a pair of a Riemannian metric and its Levi-Civita connection. With a pair of conjugate connections ∇ and ∇ * in the Sasakian statistical structure, we provide the norm...

  • Article
  • Open Access
2 Citations
1,415 Views
14 Pages

8 October 2023

In the present article, we consider submanifolds in golden Riemannian manifolds with constant golden sectional curvature. On such submanifolds, we prove geometric inequalities for the Casorati curvatures. The submanifolds meeting the equality cases a...

  • Article
  • Open Access
21 Citations
4,033 Views
10 Pages

27 October 2016

In this paper, we prove some optimal inequalities involving the intrinsic scalar curvature and the extrinsic Casorati curvature of submanifolds in a generalized complex space form with a semi-symmetric non-metric connection and a generalized Sasakian...

  • Article
  • Open Access
6 Citations
3,134 Views
18 Pages

Pinching Theorems for Statistical Submanifolds in Sasaki-Like Statistical Space Forms

  • Ali H. Alkhaldi,
  • Mohd. Aquib,
  • Aliya Naaz Siddiqui and
  • Mohammad Hasan Shahid

11 September 2018

In this paper, we obtain the upper bounds for the normalized δ -Casorati curvatures and generalized normalized δ -Casorati curvatures for statistical submanifolds in Sasaki-like statistical manifolds with constant curvature. Fur...

  • Article
  • Open Access
6 Citations
1,887 Views
13 Pages

Some Basic Inequalities on (ϵ)-Para Sasakian Manifold

  • Majid Ali Choudhary,
  • Mohammad Nazrul Islam Khan and
  • Mohd Danish Siddiqi

7 December 2022

We propose fundamental inequalities for contact pseudo-slant submanifolds of (ϵ)-para Sasakian space form employing generalized normalized δ-Casorati curvature. We characterize submanifolds for which equality cases hold and illustrate the main result...

  • Article
  • Open Access
2,543 Views
11 Pages

30 October 2018

The main purpose of this article is to construct inequalities between a main intrinsic invariant (the normalized scalar curvature) and an extrinsic invariant (the Casorati curvature) for some submanifolds in a Sasakian manifold with a zero C-Bochner...

  • Feature Paper
  • Article
  • Open Access
1 Citations
988 Views
18 Pages

21 November 2024

We establish an improved Chen inequality involving scalar curvature and mean curvature and geometric inequalities for Casorati curvatures, on slant submanifolds in a Lorentzian–Sasakian space form endowed with a semi-symmetric non-metric connec...

  • Article
  • Open Access
28 Citations
5,067 Views
15 Pages

14 July 2018

In this article, we consider statistical submanifolds of Kenmotsu statistical manifolds of constant ϕ-sectional curvature. For such submanifold, we investigate curvature properties. We establish some inequalities involving the normalized δ-Caso...

  • Article
  • Open Access
375 Views
15 Pages

11 September 2025

This study focuses on submanifolds embedded in a conformal Sasakian space form (CSSF) equipped with a quarter-symmetric metric connection (QSMC). Utilizing the framework of generalized normalized δ-Casorati curvature (GNDCC) alongside scalar cu...

  • Article
  • Open Access
1,315 Views
15 Pages

26 September 2022

In this paper, we establish some inequalities between the normalized δ-Casorati curvatures and the scalar curvature (i.e., between extrinsic and intrinsic invariants) of spacelike statistical submanifolds in Sasaki-like statistical manifolds, e...

  • Article
  • Open Access
4 Citations
1,679 Views
20 Pages

27 November 2023

In the current research, we develop optimal inequalities for submanifolds in trans-Sasakian manifolds or (α,β)-type almost contact manifolds endowed with the Schouten–Van Kampen connection (SVK-connection), including generalized norm...

  • Article
  • Open Access
4 Citations
1,536 Views
15 Pages

Bounds for Statistical Curvatures of Submanifolds in Kenmotsu-like Statistical Manifolds

  • Aliya Naaz Siddiqui,
  • Mohd Danish Siddiqi and
  • Ali Hussain Alkhaldi

6 January 2022

In this article, we obtain certain bounds for statistical curvatures of submanifolds with any codimension of Kenmotsu-like statistical manifolds. In this context, we construct a class of optimum inequalities for submanifolds in Kenmotsu-like statisti...

  • Article
  • Open Access
1 Citations
572 Views
15 Pages

14 March 2025

In this paper, we utilize advanced optimization techniques on Riemannian submanifolds to establish two distinct inequalities concerning the generalized normalized δ-Casorati curvatures of warped product pointwise semi-slant (WPPSS) submanifolds...

  • Feature Paper
  • Article
  • Open Access
27 Citations
3,413 Views
19 Pages

Statistical Solitons and Inequalities for Statistical Warped Product Submanifolds

  • Aliya Naaz Siddiqui,
  • Bang-Yen Chen and
  • Oguzhan Bahadir

1 September 2019

Warped products play crucial roles in differential geometry, as well as in mathematical physics, especially in general relativity. In this article, first we define and study statistical solitons on Ricci-symmetric statistical warped products R &...

  • Article
  • Open Access
1,831 Views
18 Pages

Some Pinching Results for Bi-Slant Submanifolds in S-Space Forms

  • Mohd Aquib,
  • Meraj Ali Khan,
  • Adela Mihai and
  • Ion Mihai

The objective of the present article is to prove two geometric inequalities for submanifolds in S-space forms. First, we establish inequalities for the generalized normalized δ-Casorati curvatures for bi-slant submanifolds in S-space forms and...

  • Article
  • Open Access
2 Citations
438 Views
18 Pages

9 July 2025

The primary aim of this paper is to establish two sharp geometric inequalities concerning submanifolds of S-space forms equipped with semi-symmetric metric connections (SSMCs). Specifically, we derive new inequalities involving the generalized normal...

  • Feature Paper
  • Review
  • Open Access
10 Citations
3,536 Views
38 Pages

14 February 2022

One of the fundamental problems in the theory of submanifolds is to establish optimal relationships between intrinsic and extrinsic invariants for submanifolds. In order to establish such relations, the first author introduced in the 1990s the notion...

  • Article
  • Open Access
12 Citations
4,251 Views
35 Pages

19 August 2020

This paper presents theory and simulation of viscous dissipation in evolving interfaces and membranes under kinematic conditions, known as astigmatic flow, ubiquitous during growth processes in nature. The essential aim is to characterize and explain...

  • Article
  • Open Access
8 Citations
3,320 Views
24 Pages

6 April 2023

Generative design is a system that automates part of the design process, but it cannot evaluate psychological issues related to shapes, such as “beauty” and “liking”. Designers therefore evaluate and choose the generated shape...

  • Article
  • Open Access
1 Citations
2,422 Views
12 Pages

Surfaces with Constant Negative Curvature

  • Semra Kaya Nurkan and
  • İbrahim Gürgil

28 April 2023

In this paper, we have considered surfaces with constant negative Gaussian curvature in the simply isotropic 3-Space by defined Sauer and Strubeckerr. Firstly, we have studied the isotropic II-flat, isotropic minimal and isotropic II-minimal, the con...

  • Article
  • Open Access
9 Citations
2,088 Views
18 Pages

On Golden Lorentzian Manifolds Equipped with Generalized Symmetric Metric Connection

  • Majid Ali Choudhary,
  • Khaled Mohamed Khedher,
  • Oğuzhan Bahadır and
  • Mohd Danish Siddiqi

30 September 2021

This research deals with the generalized symmetric metric U-connection defined on golden Lorentzian manifolds. We also derive sharp geometric inequalities that involve generalized normalized δ-Casorati curvatures for submanifolds of golden Lorentzian...

  • Article
  • Open Access
2 Citations
1,945 Views
6 Pages

8 September 2020

From the basic geometry of submanifolds will be recalled what are the extrinsic principal tangential directions, (first studied by Camille Jordan in the 18seventies), and what are the principal first normal directions, (first studied by Kostadin Tren...

  • Article
  • Open Access
5 Citations
1,574 Views
10 Pages

18 May 2022

The geometry of Hessian manifolds is a fruitful branch of physics, statistics, Kaehlerian and affine differential geometry. The study of inequalities for statistical submanifolds in Hessian manifolds of constant Hessian curvature was truly initiated...

  • Article
  • Open Access
1,781 Views
32 Pages

Index for Quantifying ‘Order’ in Three-Dimensional Shapes

  • Takahiro Shimizu,
  • Masaya Okamoto,
  • Yuto Ieda and
  • Takeo Kato

22 March 2024

In this study, we focused on assessing the symmetry of shapes and quantifying an index of ‘order’ in three-dimensional shapes using curvature, which is important in product design. Specifically, the target three-dimensional shape was divi...