Nano paracompact mappings

Y. Y. Yousif; E. A. Mohsin

doi:10.1063/5.0254804

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Publication Date

Mon Feb 10 2025

Journal Name

Aip Conference Proceedings

Volume

3224

DOI

10.1063/5.0254804

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Nano paracompact mappings

Nano topological spaces

nano continuous

nano closed

nano compact space

nano paracopmact space.

Y. Y. Yousif

E. A. Mohsin

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Abstract. Nano-continuous mappings have a wide range of applications in pure and applied sciences. This paper aims to study and investigate new types of mappings, namely nano-para-compact, completely nano-regular, nano-para-perfect, and countably nano-para-perfect mappings in nano-topological spaces using nano-open sets. We introduce several properties and basic characterizations related to these mappings, which are essential for proving our main results. Additionally, we discuss the relationships among these types of mappings in nano-topological spaces. We also introduce the concept of nano-Ti-mapping, where i = 0, 1, 2, nano-neighborhood separated, and nano-functionally separated, along with various other definitions. We explore the relationships between these concepts and discuss many properties related to them. Finally, we define nano-morphism and explore its properties and relationships.

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Publication Date

Wed Jul 01 2020

Journal Name

Journal Of Physics: Conference Series

Generalized Rough Digraphs and Related Topologies

J-degree spaces

J-supra lower digraphs

J-supra upper digraphs

J-exact digraphs

J-rough digraphs.

Samah

Yousif Yaqoub

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Abstract<p>The primary objective of this paper, is to introduce eight types of topologies on a finite digraphs and state the implication between these topologies. Also we used supra open digraphs to introduce a new types for approximation rough digraphs.</p>

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Publication Date

Sun Sep 01 2013

Journal Name

Archives Des Sciences

Convex Approximation in Terms of Fractional Weighted Moduli of Smoothness

Weighted spaces

weighted moduli of smoothness of fractional order

convex body

weighted Lipschitz condition

the order of approximation.

Nadia M. J.

Saheb K.

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This paper deals with founding an estimation of best approximation of unbounded functions which satisfied weighted Lipschitz condition with respect to the convex polynomials by means of weighted moduli of smoothness of fractional order  , ( , ) p f t . In addition we prove some properties of weighted moduli of smoothness of fractional order.

Publication Date

Tue Nov 01 2022

Journal Name

Isa Transactions

Robust adaptive active disturbance rejection control of an electric furnace using additional continuous sliding mode component

Adaptive active disturbance rejection control (AADRC) technique

Adaptive extended state observer (AESO)

Electric heating furnace (EHF)Continuous sliding-mode (CSM)

Kamal

Mohammad

Zhenwei

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The temperature control process of electric heating furnace (EHF) systems is a quite difficult and changeable task owing to non-linearity, time delay, time-varying parameters, and the harsh environment of the furnace. In this paper, a robust temperature control scheme for an EHF system is developed using an adaptive active disturbance rejection control (AADRC) technique with a continuous sliding-mode based component. First, a comprehensive dynamic model is established by using convection laws, in which the EHF systems can be characterized as an uncertain second order system. Second, an adaptive extended state observer (AESO) is utilized to estimate the states of the EHF system and total disturbances, in which the observer gains are updated

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Publication Date

Mon Mar 31 2025

Journal Name

Iraqi Statisticians Journal

Hypothesis Testing for Non-Normal Multiple Compact Regression Model

Multiple compact regression model

Bayesian Approach

Bayes Factor

Generalized multivariate transmuted Bessel distribution

Kernel functions

Jaundice percentage in the blood component data.

Ons Edin

Noor Saleem

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Generalized multivariate transmuted Bessel distribution belongs to the family of probability distributions with a symmetric heavy tail. It is considered a mixed continuous probability distribution. It is the result of mixing the multivariate Gaussian mixture distribution with the generalized inverse normal distribution. On this basis, the paper will study a multiple compact regression model when the random error follows a generalized multivariate transmuted Bessel distribution. Assuming that the shape parameters are known, the parameters of the multiple compact regression model will be estimated using the maximum likelihood method and Bayesian approach depending on non-informative prior information. In addition, the Bayes factor was used

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Publication Date

Thu Dec 01 2011

Journal Name

Journal Of Engineering

THEORETICAL AND EXPERIMENTAL STUDY ON THERMAL PERFORMANCE OF CLOSED WET COOLING TOWER

Theoretical and Computational Analysis

Closed wet cooling tower

heat and mass transfer balance

Wet operation mode

variable air-spray water flow ratio

Najim A.

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Thermal performance of closed wet cooling tower has been investigated experimentally and theoretically
in this work. The theoretical model based on heat and mass transfer equations and heat and mass transfer balance equations which are established for steady state case. A new small indirect cooling tower was used for conducting experiments. The cooling capacity of cooling tower is 1 kW for an inlet water temperature of 38oC, a water mass velocity 2.3 kg/m2.s and an air wet bulb temperature of 26oC. This study investigates the relationship between saturation efficiency, cooling capacity and coefficient of performance of closed wet cooling tower versus different operating parameters such wet-bulb temperature, variable air-spray water fl

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Publication Date

Sun Oct 02 2022

Journal Name

Al-manhaj

Mathematical Statistics - Second Edition

Mathematical Expectation

Moment Generating Function

Cumulative Distribution Function

Probability Mass Function

Probability Density Function

Discrete Distributions

Continuous Distributions

Joint distributions

Marginal Distributions

Conditional Distributions

Transformations

Order Statistics.

Omar Abdulmohsin

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This Book is the second edition that intended to be textbook studied for undergraduate/ postgraduate course in mathematical statistics. In order to achieve the goals of the book, it is divided into the following chapters. Chapter One introduces events and probability review. Chapter Two devotes to random variables in their two types: discrete and continuous with definitions of probability mass function, probability density function and cumulative distribution function as well. Chapter Three discusses mathematical expectation with its special types such as: moments, moment generating function and other related topics. Chapter Four deals with some special discrete distributions: (Discrete Uniform, Bernoulli, Binomial, Poisson, Geometric, Neg

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Publication Date

Tue Jan 01 2019

Journal Name

Sci.int.(lahore)

FILTER BASES AND SUPRA PERFECT FUNCTIONS

Filter base

Directed toward a set

Closure converges

Closure directed toward

Supra closure converge

Almost supra converges

Almost supra cluster

Supra compact function

Supra rigid subset

Supra perfect function

Y. Y.

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We introduce some new generalizations of some definitions which are, supra closure converge to a point, supra closure directed toward a set, almost supra converges to a set, almost supra cluster point, a set supra H-closed relative, supra closure continuous functions, supra weakly continuous functions, supra compact functions, supra rigid a set, almost supra closed functions and supra perfect functions. And we state and prove several results concerning it

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Publication Date

Sat Oct 01 2016

Journal Name

Journal Of Theoretical And Applied Information Technology

Factors affecting global virtual teams’ performance in software projects

Today the trend is to perform software development work via distributed geographical area among team

individual or even as an organization. However

due to the global market and international presence of many companies

there is a need to implement a global virtual teams. The global virtual team members are gradually engaged in globalized business environments across space

time and organizational boundaries via information and communication technologies. A global virtual team relies on communication

collaboration

and information exchange are the most important criteria in global virtual teams’ operations. The purpose of this paper is to answer two research questions. The first research question is to identify the factors affecting global virtual teams’ performance. A systematic literature review was conducted to answer the first research question. The second research question is on what the rank of the factor affecting the global virtual teams’ performance according to their level of effect on global virtual teams’ performance. Online survey was conducted within 103 developers and IT managers from eight IT companies to answer the second research question. The Statistical Package for Social Science (SPSS 22) was used to analyze the collected data. In this study

we investigated factors that affect global virtual teams’ performance

factors considered include cultural differences

language problems

time-zone differences

team size

technical problems

lack of trust

lack of sufficient training

and ICT problems. Also the findings indicated that lack of sufficient training is the highest level of effect on global virtual teams’ performance. On the other hand

Ali Yahya Gheni

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