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The main aim of this article is to investigate the geometric structures admitting by the G\"{o}del spacetime which produces a new class of semi-Riemannian manifolds (see Theorem 4.1 and Theorem 4.5). We also consider some extension of…

Differential Geometry · Mathematics 2014-01-28 Ryszard Deszcz , Marian Hotloś , Jan Jełowicki , Haradhan Kundu , Absos Ali Shaikh

The generalized divided differences are introduced. They are applied to investigate some properties characterizing generalized higher-order convexity. Among others some support-type property is proved.

Functional Analysis · Mathematics 2008-07-28 Szymon Wasowicz

Let (f_n) and (g_n) be two sequences of random variables adapted to an increasing sequence of $\sigma$-algebras $({\cal F}_n)$ such that the conditional distributions of f_n and g_n given ${\cal F}_{n-1}$ coincide, and such that the…

Functional Analysis · Mathematics 2008-02-03 Pawel Hitczenko , Stephen J. Montgomery-Smith

In this series of papers, we study correspondence between the following: (1) large scale structure of the metric space bigsqcup_m {Cay(G(m))} consisting of Cayley graphs of finite groups with k generators; (2) structure of groups which…

Operator Algebras · Mathematics 2015-05-26 Masato Mimura , Narutaka Ozawa , Hiroki Sako , Yuhei Suzuki

The main purpose of the present paper is to introduce the space h_p and study of some properties of new sequence space. And we compute their dual spaces and characterizations of some matrix transformaitons.

Functional Analysis · Mathematics 2014-01-14 Murat Kirişci

This paper addresses problems in functional metric geometry that arise in the study of data such as signals recorded on geometric domains or on the nodes of weighted networks. Datasets comprising such objects arise in many domains of…

Metric Geometry · Mathematics 2022-11-18 Soheil Anbouhi , Washington Mio , Osman Berat Okutan

In this paper, we consider certain topological properties along with certain types of mappings on these spaces defined by the notion of ideal convergence. In order to do that, we primarily follow in the footsteps of the earlier studies of…

General Topology · Mathematics 2023-01-03 Pratulananda Das , Upasana Samanta , Shou Lin

In some scientific fields, a scaling is able to modify the topology of an observed object. Our goal in the present work is to introduce a new formalism adapted to the mathematical representation of this kind of phenomenon. To this end, we…

Geometric Topology · Mathematics 2008-12-11 Guy Wallet

The concept of reiterated $\Sigma$-convergence (and more generally of multiscale $\Sigma$-convergence) is extended to framework of Orlicz-Sobolev spaces, in order to deals with homogenization of multiscales problems in general deterministic…

Analysis of PDEs · Mathematics 2025-07-30 J. Dongho , Joel Fotso Tachago , H. Nnang , T. F. A. Tchinda

The theory of persistence modules is an emerging field of algebraic topology which originated in topological data analysis. In these notes we provide a concise introduction into this field and give an account on some of its interactions…

Algebraic Topology · Mathematics 2021-01-26 Leonid Polterovich , Daniel Rosen , Karina Samvelyan , Jun Zhang

In this paper, we introduce a new generalization of geometric distribution which can also viewed as discrete analogue of weighted exponential distribution introduced by Gupta and Kundu(2009). We study some basic distributional properties…

Methodology · Statistics 2016-02-08 Deepesh Bhati , Savitri Joshi

Geometric flows have proved to be a powerful geometric analysis tool, perhaps most notably in the study of 3-manifold topology, the differentiable sphere theorem, Hermitian-Yang-Mills connections and canonical Kaehler metrics. In the…

Differential Geometry · Mathematics 2018-11-01 Jason D. Lotay

In this paper, based on concepts of convex sets and convex functions, we introduce new concepts of functions, Young functions, strong Young functions and Orlicz functions by relaxing definitions of functions, Young functions, strong Young…

Functional Analysis · Mathematics 2019-12-13 Abdulhameed Qahtan Abbood Altai , Nada Mohammed Abbas Alsafar

Transport-based metrics and related embeddings (transforms) have recently been used to model signal classes where nonlinear structures or variations are present. In this paper, we study the geodesic properties of time series data with a…

Machine Learning · Computer Science 2022-06-14 Shiying Li , Abu Hasnat Mohammad Rubaiyat , Gustavo K. Rohde

We study integral geometric properties of non-compact harmonic spaces.

Differential Geometry · Mathematics 2012-10-16 Norbert Peyerimhoff , Evangelia Samiou

The purpose of this paper is to provide a set of sufficient conditions so that the normalized form of the Fox-Wright functions have certain geometric properties like close-to-convexity, univalency, convexity and starlikeness inside the unit…

Classical Analysis and ODEs · Mathematics 2019-03-14 Khaled Mehrez

We obtain new variants of weighted Gagliardo-Nirenberg interpolation inequalities in Orlicz spaces, as a consequence of weighted Hardy-type inequalities. The weights we consider need not be doubling.

Functional Analysis · Mathematics 2009-11-02 Agnieszka Kalamajska , Katarzyna Pietruska-Paluba

We study subspaces of Orlicz spaces $L_M$ spanned by independent copies $f_k$, $k=1,2,\dots$, of a function $f\in L_M$, $\int_0^1 f(t)\,dt=0$. Any such a subspace $H$ is isomorphic to some Orlicz sequence space $\ell_\psi$. In terms of…

Functional Analysis · Mathematics 2024-07-23 Sergey V. Astashkin

In the present paper, we will study geometric properties of harmonic mappings whose analytic and co-analytic parts are (shifted) generated functions of completely monotone sequences.

Complex Variables · Mathematics 2021-02-02 Bo-Yong Long , Toshiyuki Sugawa , Qi-Han Wang

We investigate geometric properties of homogeneous parabolic geometries with generalized symmetries. We show that they can be reduced to a simpler geometric structures and interpret them explicitly. For specific types of parabolic…

Differential Geometry · Mathematics 2016-08-10 Jan Gregorovič , Lenka Zalabová
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