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In this article, we have introduced the concept of \textit{geodesic $(\alpha,E)$-invex set} and by using this concept the notion of \textit{geodesic $(\alpha,E)$-preinvex functions} and \textit{geodesic $(\alpha,E)$-invex functions} are…

Differential Geometry · Mathematics 2019-08-05 Absos Ali Shaikh Chandan Kumar Mondal , Ravi P Agarwal

In this manuscript, we define (E, F)-invex set, (E, F)-invex functions, and (E, F)-preinvex functions on Euclidean space. We explore the concepts on the Riemannian manifold. We also detail the fundamental properties of (E, F)-preinvex…

Optimization and Control · Mathematics 2023-11-17 Ehtesham Akhter , Musavvir Ali

In this paper, we extend the class of strongly $E$-preinvex and strongly $E$-invex functions to quasi strongly $E$-preinvex, quasi strongly $E$-invex and pseudo strongly $E$-invex functions. Some nontrivial suitable examples have been…

Optimization and Control · Mathematics 2023-01-19 Akhlad Iqbal , Askar Hussain

In this article, we present semi strongly $E$-preinvexity and semi strongly $E$-invexity. To demonstrate the existence of these functions, certain nontrivial examples have been developed. Several significant relationships and…

Optimization and Control · Mathematics 2023-01-19 Akhlad Iqbal , Askar Hussain

As a generalization of geodesic function, this paper introduces the notion of geodesic $ \varphi_{E} $-convex function. Some properties of $ \varphi_{E} $-convex function and geodesic $ \varphi_{E} $-convex function are established. The…

Metric Geometry · Mathematics 2022-12-22 Ohud Bulayhan Almutairi andWedad Saleh

Strong geodesic convex function and strong monotone vector field of order $m$ on Riemannian manifolds have been established. A characterization of strong geodesic convex function of order $m$ for the continuously differentiable functions…

Differential Geometry · Mathematics 2021-07-28 Akhlad Iqbal , Izhar Ahmad

In this paper, we introduce a new concept of generalized convexity for E-differentiable vector optimization problems. Namely, the notion of exponentially E-invexity is defined. Further, some properties and results of exponentially E-invex…

Optimization and Control · Mathematics 2024-06-26 Najeeb Abdulaleem

This manuscript introduces the idea of GS-exponential kind of convex functions and some of their algebraic features, and we introduce a new class GS-exponential kind of convex sets. In addition, we describe certain fundamental…

Optimization and Control · Mathematics 2023-01-03 Ehtesham Akhter , Musavvir Ali

In this paper, we consider a new class of convex functions which is called $\lambda$-preinvex functions. We prove several Hermite-Hadamard type inequalities for differentiable $\lambda$-preinvex functions via Fractional Integrals. Some…

Classical Analysis and ODEs · Mathematics 2016-03-08 Abdullah Akkurt , M. Esra Yildirim , Hüseyin Yildirim

This study focuses on convex functions and their generalized. Thus, we start this study by giving the definition of convex functions and some of their properties and discussing a simple geometric property. Then we generalize E-convex…

Classical Analysis and ODEs · Mathematics 2017-04-27 Adem Kilicman , Wedad Saleh

Geodesics become an essential element of the geometry of a semi-Riemannian manifold. In fact, their differences and similarities with the (positive definite) Riemannian case, constitute the first step to understand semi-Riemannian Geometry.…

Differential Geometry · Mathematics 2010-03-23 Anna Maria Candela , Miguel Sánchez

For a class of discrete quasi convex functions called semi-strictly quasi M$^\natural$-convex functions, we investigate fundamental issues relating to minimization, such as optimality condition by local optimality, minimizer cut property,…

Combinatorics · Mathematics 2023-11-28 Kazuo Murota , Akiyoshi Shioura

We find a different approach to define convex functions in the sub-Riemannian setting. A function on a sub-Riemannian manifold is nonholonomically geodesic convex if its restriction to any nonholonomic (straightest) geodesic is convex. In…

Differential Geometry · Mathematics 2007-05-23 Kang-Hai Tan

The main goal of this paper is to present results of existence and non-existence of convex functions on Riemannian manifolds and, in the case of the existence, we associate such functions to the geometry of the manifold. Precisely, we prove…

Differential Geometry · Mathematics 2016-12-13 J. X. Cruz Neto , Ítalo Melo , Paulo Sousa

A new class of functions called L-fuzzy weakly Semi-Preopen (Semi-Preclosed) functions in L-fuzzy topological spaces are introduced in this paper. Some characterizations of this class and its properties and the relationship with other…

General Topology · Mathematics 2010-10-05 A. Ghareeb

Let $(M_1,g_1)$ and $(M_2,g_2)$ be two $C^\infty$--differentiable connected, complete Riemannian manifolds, $k:M_1\to\mathbb R$ a $C^\infty$--differentiable function, having $0<k_0<k(x)\leq K_0$, for any $x\in M_1$ and $g:=g_1-kg_2$ the…

Differential Geometry · Mathematics 2013-01-23 Oriella M. Amici , Biagio C. Casciaro

The g-convexity of functions on manifolds is a generalization of the convexity of functions on Rn. It plays an essential role in both differential geometry and non-convex optimization theory. This paper is concerned with g-convex smooth…

Differential Geometry · Mathematics 2024-09-24 Yu Wang , Ke Ye

As a generalization of geodesic function, in the present paper, we introduce the notion of geodesic $\varphi$-convex function and deduce some basic properties of $\varphi$-convex function and geodesic $\varphi$-convex function. We also…

Differential Geometry · Mathematics 2018-08-03 Absos Ali Shaikh , Akhlad Iqbal , Chandan Kumar Mondal

In this paper, we present strongly geodesic preinvexity on Riemannian manifolds (RM) and strongly {\eta}-invexity of order m on RM. Furthermore, we define strongly invariant {\eta}-monotonicity of order m on RM. Under Condition C, an…

Optimization and Control · Mathematics 2023-02-07 Akhlad Iqbal , Askar Hussain , Hilal Ahmad Bhat

We study semiclassical Gevrey pseudodifferential operators, acting on exponentially weighted spaces of entire holomorphic functions. The symbols of such operators are Gevrey functions defined on suitable I-Lagrangian submanifolds of the…

Analysis of PDEs · Mathematics 2020-09-22 Michael Hitrik , Richard Lascar , Johannes Sjoestrand , Maher Zerzeri
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