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290 Results Found

  • Article
  • Open Access
8 Citations
1,362 Views
29 Pages

Symmetric Quantum Inequalities on Finite Rectangular Plane

  • Saad Ihsan Butt,
  • Muhammad Nasim Aftab and
  • Youngsoo Seol

13 May 2024

Finding the range of coordinated convex functions is yet another application for the symmetric Hermite–Hadamard inequality. For any two-dimensional interval [a0,a1]×[c0,c1]⊆ℜ2, we introduce the notion of partial qθ-, qb...

  • Article
  • Open Access
462 Views
22 Pages

A Symmetric Quantum Perspective of Analytical Inequalities and Their Applications

  • Muhammad Zakria Javed,
  • Nimra Naeem,
  • Muhammad Uzair Awan,
  • Yuanheng Wang and
  • Omar Mutab Alsalami

9 September 2025

This study explores some new symmetric quantum inequalities that are based on Breckner’s convexity. By using these concepts, we propose new versions of Hermite–Hadamard (H-H) and Fejer-type inequalities. Additionally, we establish a new i...

  • Article
  • Open Access
16 Citations
1,953 Views
20 Pages

Some q-Symmetric Integral Inequalities Involving s-Convex Functions

  • Ammara Nosheen,
  • Sana Ijaz,
  • Khuram Ali Khan,
  • Khalid Mahmood Awan,
  • Marwan Ali Albahar and
  • Mohammed Thanoon

29 May 2023

The q-symmetric analogues of Hölder, Minkowski, and power mean inequalities are presented in this paper. The obtained inequalities along with a Montgomery identity involving q-symmetric integrals are used to extend some Ostrowski-type inequaliti...

  • Article
  • Open Access
1 Citations
734 Views
25 Pages

On Coefficient Inequalities for Functions of Symmetric Starlike Related to a Petal-Shaped Domain

  • Muhammad Abbas,
  • Reem K. Alhefthi,
  • Daniel Breaz and
  • Muhammad Arif

24 February 2025

The research on coefficient inequalities in various classes of univalent holomorphic functions focuses on interpreting their coefficients through the coefficients associated with Carathéodory functions. Therefore, researchers can investigate t...

  • Article
  • Open Access
1 Citations
1,477 Views
18 Pages

21 October 2024

The geometry of submanifolds in Kähler manifolds is an important research topic. In the present paper, we study submanifolds in complex space forms admitting a semi-symmetric non-metric connection. We prove the Chen–Ricci inequality, Chen...

  • Article
  • Open Access
20 Citations
4,608 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
2 Citations
481 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...

  • Article
  • Open Access
8 Citations
1,547 Views
15 Pages

6 April 2023

In this paper, we improve the Chen first inequality for special contact slant submanifolds and Legendrian submanifolds, respectively, in (α,β) trans-Sasakian generalized Sasakian space forms endowed with a semi-symmetric metric connection....

  • Article
  • Open Access
27 Citations
3,090 Views
17 Pages

12 September 2020

There have been many different definitions of fractional calculus presented in the literature, especially in recent years. These definitions can be classified into groups with similar properties. An important direction of research has involved provin...

  • Article
  • Open Access
10 Citations
2,138 Views
14 Pages

27 September 2021

In real reflexive Banach spaces, let the GSTDHVI, SHVI, DVIP, VIT, and KKM represent a generalized system of time-dependent hemivariational inequalities, a system of hemivariational inequalities, a derived vector inclusion problem, Volterra integral...

  • Article
  • Open Access
8 Citations
4,052 Views
8 Pages

On Bell’s Inequality in PT-Symmetric Quantum Systems

  • Sarang S. Bhosale,
  • Biswanath Rath and
  • Prasanta K. Panigrahi

31 July 2021

Bell’s inequality is investigated in parity-time (PT) symmetric quantum mechanics, using a recently developed form of the inequality by Maccone, with two PT-qubits in the unbroken phase with real energy spectrum. It is shown that the inequality produ...

  • Article
  • Open Access
1 Citations
398 Views
17 Pages

16 October 2025

This paper establishes symmetric inequalities for the reciprocal sums of Fibonacci numbers. By using elementary methods, recurrence properties, Cassini’s identity, and the Fibonacci–Lucas connection, we deduce the precise bounds for these...

  • Article
  • Open Access
1,382 Views
15 Pages

16 November 2021

We investigate the spacelike hypersurface with constant scalar curvature (SCS) immersed in a Ricci symmetric manifold obeying standard curvature constraints. By supposing these hypersurfaces satisfy a suitable Okumura-type inequality recently introdu...

  • Article
  • Open Access
2 Citations
2,034 Views
16 Pages

Some Chen Inequalities for Submanifolds in Trans-Sasakian Manifolds Admitting a Semi-Symmetric Non-Metric Connection

  • Mohammed Mohammed,
  • Fortuné Massamba,
  • Ion Mihai,
  • Abd Elmotaleb A. M. A. Elamin and
  • M. Saif Aldien

15 March 2024

In the present article, we study submanifolds tangent to the Reeb vector field in trans-Sasakian manifolds. We prove Chen’s first inequality and the Chen–Ricci inequality, respectively, for such submanifolds in trans-Sasakian manifolds wh...

  • Article
  • Open Access
730 Views
17 Pages

Curvature Inequalities in Golden-like Statistical Manifolds Admitting Semi-Symmetric Metric Connection

  • Foued Aloui,
  • Ibrahim Al-Dayel,
  • Mohammed Nisar and
  • Majid Ali Choudhary

23 August 2025

This article investigates fundamental inequalities within a golden-like statistical manifold (GLSM) equipped with a semi-symmetric metric connection (SSMC). We explore key geometric and analytical properties, including curvature relations and inequal...

  • Article
  • Open Access
1,328 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
286 Views
23 Pages

20 October 2025

In this paper, we establish several new operator inequalities for generalizations of the joint numerical radius and joint operator norm for pairs of operators in complex Hilbert spaces, as well as for the classical numerical radius of a single operat...

  • Article
  • Open Access
21 Citations
4,052 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...

  • Feature Paper
  • Article
  • Open Access
5 Citations
2,216 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
419 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
2 Citations
1,486 Views
19 Pages

11 January 2024

The primary objective of this paper is to explore contact CR-warped product submanifolds of Sasakian space forms equipped with a semi-symmetric metric connection. We thoroughly examine these submanifolds and establish various key findings. Furthermor...

  • Article
  • Open Access
1 Citations
1,540 Views
18 Pages

17 May 2023

In this paper, based on the viscosity approximation method and the hybrid steepest-descent iterative method, a new implicit iterative algorithm is presented for finding the common fixed points set of a finite family of nonexpansive mappings in a refl...

  • Article
  • Open Access
3 Citations
2,054 Views
26 Pages

4 February 2020

For optimal control problems of Bolza with variable and free end-points, nonlinear dynamics, nonlinear isoperimetric inequality and equality restrictions, and nonlinear pointwise mixed time-state-control inequality and equality constraints, sufficien...

  • Article
  • Open Access
1 Citations
1,810 Views
8 Pages

New Obstructions to Warped Product Immersions in Complex Space Forms

  • Mohd. Aquib,
  • Adela Mihai,
  • Ion Mihai and
  • Siraj Uddin

22 August 2022

In this paper, we obtain a geometric inequality for warped product pointwise semi-slant submanifolds of complex space forms endowed with a semi-symmetric metric connection and discuss the equality case of this inequality. We provide some applications...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,026 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
23 Citations
2,575 Views
16 Pages

Improved Chen’s Inequalities for Submanifolds of Generalized Sasakian-Space-Forms

  • Yanlin Li,
  • Mohan Khatri,
  • Jay Prakash Singh and
  • Sudhakar K. Chaubey

1 July 2022

In this article, we derive Chen’s inequalities involving Chen’s δ-invariant δM, Riemannian invariant δ(m1,⋯,mk), Ricci curvature, Riemannian invariant Θk(2≤k≤m), the scalar curvature and the squared of...

  • Article
  • Open Access
12 Citations
1,809 Views
19 Pages

5 January 2021

In this work, the cases of non-integrable distributions in a Riemannian manifold with the first generalized semi-symmetric non-metric connection and the second generalized semi-symmetric non-metric connection are discussed. We obtain the Gauss, Codaz...

  • Article
  • Open Access
1,309 Views
15 Pages

5 July 2024

In this paper, we focus on non-integrable distributions with a quarter-symmetric non-metric connection (QSNMC) in generalized Riemannian manifold. First, by studying a quarter-symmetric connection on the generalized Riemannian manifold, we obtain the...

  • Article
  • Open Access
1,168 Views
16 Pages

25 April 2024

In this research paper, we establish geometric inequalities that characterize the relationship between the squared mean curvature and the warping functions of a doubly warped product pointwise bi-slant submanifold. Our investigation takes place in th...

  • Article
  • Open Access
1 Citations
2,360 Views
17 Pages

Robust Self-Testing of Four-Qubit Symmetric States

  • Daipengwei Bao,
  • Xiaoqing Tan,
  • Qingshan Xu,
  • Haozhen Wang and
  • Rui Huang

20 July 2022

Quantum verification has been highlighted as a significant challenge on the road to scalable technology, especially with the rapid development of quantum computing. To verify quantum states, self-testing is proposed as a device-independent concept, w...

  • Article
  • Open Access
2 Citations
2,807 Views
13 Pages

7 December 2021

This paper investigates the Schur-convexity, Schur-geometric convexity, and Schur-harmonic convexity for the elementary symmetric composite function and its dual form. The inverse problems are also considered. New inequalities on special means are es...

  • Article
  • Open Access
11 Citations
2,540 Views
9 Pages

17 November 2022

In this paper, we introduce and investigate new subclasses of bi-univalent functions with respect to the symmetric points in U=z∈C:z<1 defined by Bernoulli polynomials. We obtain upper bounds for Taylor–Maclaurin coefficients a2,a3 and...

  • Article
  • Open Access
4 Citations
656 Views
14 Pages

5 August 2025

This work investigates the behavior of the coefficients of analytic functions within certain subclasses characterized by inherent symmetric structures. By leveraging deep connections with functions exhibiting positive real part properties, the approa...

  • Article
  • Open Access
7 Citations
1,993 Views
26 Pages

Analysis of Coefficient-Related Problems for Starlike Functions with Symmetric Points Connected with a Three-Leaf-Shaped Domain

  • Huo Tang,
  • Muhammad Arif,
  • Muhammad Abbas,
  • Ferdous M. O. Tawfiq and
  • Sarfraz Nawaz Malik

28 September 2023

The basic aspect of the research on coefficient problems for numerous families of univalent functions is to describe the coefficients of functions in a specific family by the coefficients of the Carathéodory functions. Thus, in utilizing the i...

  • Proceeding Paper
  • Open Access
8 Citations
1,874 Views
8 Pages

26 October 2023

Unbalanced loads are extremely prevalent in real systems, and they create power quality issues for the UPS system. To address this problem, this work provides an optimal voltage control scheme for a three-phase inverter using the linear matrix inequa...

  • Article
  • Open Access
5 Citations
1,993 Views
12 Pages

20 October 2022

Throughout this study, the concept of symmetrized harmonically convex stochastic processes will be discussed in further detail. Some certain characterizations for symmetrized harmonically convex stochastic processes are discussed that use Hermite&nda...

  • Feature Paper
  • Article
  • Open Access
4 Citations
1,923 Views
13 Pages

26 October 2022

In the paper, we consider functional set-valued integral equations whose representation contains set-valued integrals occurring symmetrically on both sides of the equation. On the coefficients of the equation, we impose certain conditions, more gener...

  • Feature Paper
  • Article
  • Open Access

Intrinsic and Extrinsic Geometry of Kählerian Slant Submanifolds in Complex Space Forms

  • Andreea Olteanu,
  • Mohammed Mohammed,
  • Ion Mihai and
  • Sfundo Cebolenkosi Gumede
Mathematics2026, 14(1), 71;https://doi.org/10.3390/math14010071 
(registering DOI)

24 December 2025

The study of complex space forms plays a central role in differential geometry, as these manifolds provide a natural framework for exploring geometric structures endowed with rich symmetries, extending both Riemannian and Kählerian geometries. I...

  • Article
  • Open Access
446 Views
22 Pages

13 May 2025

The min–max fuzzy relation inequalities are currently considered for representing the place-to-place (P2P) education knowledge, including resource sharing from one terminal to another. One terminal is the acceptor—receiving information&md...

  • Article
  • Open Access
12 Citations
2,297 Views
11 Pages

26 October 2022

The notion of k-symbol special functions has recently been introduced. This new concept offers many interesting geometric properties for these special functions including logarithmic convexity. The aim of the present paper is to exploit essentially t...

  • Article
  • Open Access
13 Citations
2,230 Views
15 Pages

Certain Coefficient Problems for q-Starlike Functions Associated with q-Analogue of Sine Function

  • Yusra Taj,
  • Saira Zainab,
  • Qin Xin,
  • Ferdous M. O. Tawfiq,
  • Mohsan Raza and
  • Sarfraz Nawaz Malik

19 October 2022

This study introduces a subclass Sqs* of starlike functions associated with the q-analogue of the sine function defined in symmetric unit disk. This article comprises the investigation of sharp coefficient bounds, and the upper bound of the third-ord...

  • Article
  • Open Access
3 Citations
1,503 Views
20 Pages

3 October 2022

Our main goal in this paper is to investigate stochastic ternary antiderivatives (STAD). First, we will introduce the random ternary antiderivative operator. Then, by introducing the aggregation function using special functions such as the Mittag-Lef...

  • Article
  • Open Access
1,588 Views
21 Pages

19 December 2023

We present a generalized version of a Gagliardo–Nirenberg inequality characterized by radial symmetry and involving potentials exhibiting pure power polynomial behavior. As an application of our result, we investigate the existence of extremals...

  • Article
  • Open Access
606 Views
22 Pages

5 June 2025

In this paper, we propose a novel alternating direction method of multipliers based on acceleration technique involving two symmetrical inertial terms for a class of nonconvex optimization problems with a two-block structure. To address the nonconvex...

  • Article
  • Open Access
7 Citations
2,312 Views
18 Pages

On Fejér Type Inequalities via (p,q)-Calculus

  • Nuttapong Arunrat,
  • Keaitsuda Maneeruk Nakprasit,
  • Kamsing Nonlaopon,
  • Jessada Tariboon and
  • Sotiris K. Ntouyas

27 May 2021

In this paper, we use (p,q)-integral to establish some Fejér type inequalities. In particular, we generalize and correct existing results of quantum Fejér type inequalities by using new techniques and showing some problematic parts of those results....

  • Article
  • Open Access
4 Citations
2,055 Views
16 Pages

16 March 2022

In 1999, for (0≤k<∞), the concept of conic domain by defining k-uniform convex functions were introduced by Kanas and Wisniowska and then in 2000, they defined related k-starlike functions denoted by k−UCV and k−ST respectivel...

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