doi:10.24996/ijs.2020.SI.1.4

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Publication Date

Sun May 17 2020

Journal Name

Iraqi Journal Of Science

DOI

10.24996/ijs.2020.SI.1.4

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A Type-2 Fuzzy Sonewhere Dense Set In General Type-2 Fuzzy Topological Space

Type-2 Fuzzy Set

Type-2 Fuzzy Somewhere Dense Set

General Type-2 Fuzzy Topological Space

Type-2 Fuzzy Open Sets

Mohammed Salih Mahdy

Munir Abdul Khalik

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The multiplicity of connotations in any paper does not mean that there is no main objective for that paper and certainly one of these papers is our research the main objective is to introduce a new connotation which is type-2 fuzzy somewhere dense set in general type-2 fuzzy topological space and its relationship with open sets of the connotation type-2 fuzzy set in the same space topology and theories of this connotation.

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Publication Date

Sat Sep 30 2023

Journal Name

Iraqi Journal Of Science

Generalized Pre α-Regular and Generalized Pre α-Normal Spaces in Topological Spaces

gpα-closed set

gpα-open set

gpα-Tk-spaces

gpα-continuous function

gpα-regular spaces

gpα-normal spaces

P. G.

Bhadramma

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The concept of separation axioms constitutes a key role in general topology and all generalized forms of topologies. The present authors continued the study of gpα-closed sets by utilizing this concept, new separation axioms, namely gpα-regular and gpα-normal spaces are studied and established their characterizations. Also, new spaces namely gpα-T_k for k = 0, 1, 2 are studied.

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Publication Date

Thu May 28 2020

Journal Name

Iraqi Journal Of Science

Nano spaces via á¼¿-semi-g-Closed Set

n-closed

n-open

n-semiÂ-closed

n-semiÂ-open

n-á¼¿sgÂ-closed

Maher Abdul

Ahmed

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In this research and by using the concept of , a new set of near set which is nano-á¼¿-semi-g-closed set was defined. Some properties and examples with illustrative table and an applied example were presented.

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Publication Date

Sun Apr 01 2012

Journal Name

2012 International Conference On Future Communication Networks

Efficient method to find the multiplicative inverse in GF (2m) using FPGA by exponentiation to (2k)

Kais S.

Firas A.

Mohammed A.

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(1)

Publication Date

Sun Apr 01 2012

Journal Name

2012 International Conference On Future Communication Networks

Efficient method to find the multiplicative inverse in GF (2m) using FPGA by exponentiation to (2k)

Kais S.

Firas A.

Mohammed A.

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Multiplicative inverse in GF (2 m ) is a complex step in some important application such as Elliptic Curve Cryptography (ECC) and other applications. It operates by multiplying and squaring operation depending on the number of bits (m) in the field GF (2 m ). In this paper, a fast method is suggested to find inversion in GF (2 m ) using FPGA by reducing the number of multiplication operations in the Fermat's Theorem and transferring the squaring into a fast method to find exponentiation to (2 k ). In the proposed algorithm, the multiplicative inverse in GF(2 m ) is achieved by number of multiplications depending on log 2 (m) and each exponentiation is operates in a single clock cycle by generating a reduction matrix for high power of two ex

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Publication Date

Mon Jun 01 2020

Journal Name

Journal Of Planner And Development

The Transitions in Contemporary Urban Space

Contemporary Urban Space

Urban Transformations

Contemporary Transformations

Contemporary Characteristics.

نور صائب

خنساء غازي

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It is the dynamic tension between the relatively fixed built environment and the constantly changing in social life that determines the nature of urban spaces belonging to different historical periods, and considered as a tool for diagnosing transformations in urban spaces, that’s why, the characteristics of urban space became unclear between positive spaces and negative spaces, so emerged the need to study contemporary urban space belonging to the current period of time and show the most important transformations that have occurred in contemporary urban space to reach urban spaces that meet the current life requirements. Therefore, the research dealt with a study of the characteristics of contemporary urban space and the most pr

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Publication Date

Sun Sep 01 2013

Journal Name

Baghdad Science Journal

Synthesis and biological studies for some heterocyclic compounds derived from 2-Morpholino-1,8- naphthyridine-4-carboxylic acid

Synthesis

biological

heterocyclic compounds

2-Morpholino-1

8- naphthyridine-4-carboxylic acid

Ala I.

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New heterocyclic compounds derived from 2-Morpholino-1,8-naphthyridine-4-carboxylic acid such as oxadiazolo, thiadiazolo – thione and triazolo-thione have been prepared and characterized on the basis of IR and 1H NMR spectra data. The hydrizide compound was utilized as a starting material for preparing of these compounds. The second part of this study involves the biological studies of some of these naphthyridine derivatives by using three different kinds of bacteria namely: Staphylococcus aureus, Pseudomonas aeruglnosa and Escherichia coli. The data indicated that some of these compounds have a good activity against the tested bacteria in comparison to antibiotics.

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Publication Date

Sun Jun 03 2018

Journal Name

University Of Baghdad, College Of Education For Pure Sciences / Ibn Al-haitham, Department Of Mathematics

Some Types of Fibrewise Soft Topological Spaces

fibrewise soft near closed topological spaces

fibrewise soft near open topological spaces

fibrewise soft near compact spaces

fibrewise locally soft near compact spaces.

MOHAMMED ABDUL HUSSEIN

Y. Y.

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In this thesis, we introduced some types of fibrewise topological spaces by using a near soft set, various related results also some fibrewise near separation axiom concepts and a fibrewise soft ideal topological spaces. We introduced preliminary concepts of topological spaces, fibrewise topology, soft set theory and soft ideal theory. We explain and discuss new notion of fibrewise topological spaces, namely fibrewise soft near topological spaces, Also, we show the notions of fibrewise soft near closed topological spaces, fibrewise soft near open topological spaces, fibrewise soft near compact spaces and fibrewise locally soft near compact spaces. On the other hand, we studied fibrewise soft near forms of the more essent

Publication Date

Sat Sep 01 2018

Journal Name

Polyhedron

Novel dichloro (bis {2-[1-(4-methylphenyl)-1H-1, 2, 3-triazol-4-yl-κN3] pyridine-κN}) metal (II) coordination compounds of seven transition metals (Mn, Fe, Co, Ni, Cu, Zn and Cd)

The 1

3-dipolar cycloaddition “click” reaction between an azide and an alkyne to give a 1

2

3-triazole was reported by Huisgen in 1961 [1]. In 2002 the Copper(I)-catalyzed Azide-Alkyne Cycloaddition (CuAAC) to prepare a 1

2

3-triazole was reported [2]

[3]. The existence of relatively basic nitrogen atoms in the 1

2

3-triazole rings

and the possibility of introducing additional donor groups in the substituents (Fig. 1)

made the CuAAC “click” reaction an attractive method to prepare differently substituted 1

2

3-triazoles. These compounds have been used as ligands to coordinate to various metal ions that display a range of applications such as in electrochemical and photochemical studies

in supramolecular chemistry

magnetism

metal-ion sensing and catalysis [4]. The reasons for the success of the “click” reaction

is that it is easy to carry out and is widely applicable. It is not affected by a variety of functional groups

and can be carried out with a variety of Cu(I) catalysts and solvents

including aqueous conditions. The Cu(I) catalysts overcome the high activation energy barrier of the non-catalyzed Huisgen reaction by changing the mechanism of the reaction. A large variety of copper catalysts can be used for the CuAAC reaction

on condition that the maximum concentration of Cu(I) species is generated during the reaction. The pre-catalyst can be a Cu(II) salt (usually CuSO4) together with a reducing agent (often sodium ascorbate) or a Cu(I) compound in the presence of a base or amine ligand and a reducing agent to prevent oxidation to Cu(II). Some strong oxidising cupric salts or complexes such as Cu(OAc)2 also work. The solvent is very flexible from organic to aqueous

with the most commonly used combination water + an alcohol (t-BuOH

MeOH or EtOH). The key role of the solvent or solvent mixture is to solubilize the substrates and Cu(I) catalyst in order to ensure rapid reactions. Such aqueous conditions are very useful for biochemical conjugations

as well as for organic syntheses. We recently reported on the synthesis of a series of differently substituted 1

2

3-triazole chromophores

the substituted 2-(1-phenyl-1H-1

2

3-triazol-4-yl)pyridine ligands [5]

see Fig. 2 middle

with substituents R = H (L1)

CH3 (L2)

OCH3 (L3)

COOH

F

Cl

CN

CF3

O(CH2)3CH3 and N(CH3)2. These versatile ligands were found to coordinate to various first row transition metals

such as manganese

cobalt and nickel [6]. Here we extend the series to include more first row transition metal(II) coordination compounds

iron

copper and zinc

as well as a second row transition metal(II) coordination compound

cadmium

containing the 2-(1-(4-methyl-phenyl)-1H-1

2

3-triazol-1-yl)pyridine chromophore (Fig. 2 right with R = CH3). This series of seven novel coordination compounds is the first series of pyridyl-triazole based transition metal coordination compounds where seven different transition metals are coordinated to the same 1

2

3-triazole chromophore

namely 2-(1-(4-methyl-phenyl)-1H-1

2

3-triazol-1-yl)pyridine.

Kinaan M

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Publication Date

Wed Jun 01 2011

Journal Name

Journal Of Economics And Administrative Sciences

Methods of using the periodic chart in the case of the missing values of the stable AR model (2)

جنان عباس

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In this study, we investigate the behavior of the estimated spectral density function of stationary time series in the case of missing values, which are generated by the second order Autoregressive (AR (2)) model, when the error term for the AR(2) model has many of continuous distributions. The Classical and Lomb periodograms used to study the behavior of the estimated spectral density function by using the simulation.

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Publication Date

Thu Jan 20 2022

Journal Name

Ibn Al-haitham Journal For Pure And Applied Sciences

The Implementations Special Third-Order Ordinary Differential Equations (ODE) for 5th-order 3rd-stage Diagonally Implicit Type Runge-Kutta Method (DITRKM)

Numerical Methods

Ordinary Differential Equations

Diagonal Implicit Type Runge Kutta Methods

Initial Value Problems

Stability Polynomial Analysis.

Firas A.

Mustafa H.

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The derivation of 5^th order diagonal implicit type Runge Kutta methods (DITRKM5) for solving 3^rd special order ordinary differential equations (ODEs) is introduced in the present study. The DITRKM5 techniques are the name of the approach. This approach has three equivalent non-zero diagonal elements. To investigate the current study, a variety of tests for five various initial value problems (IVPs) with different step sizes h were implemented. Then, a comparison was made with the methods indicated in the other literature of the implicit RK techniques. The numerical techniques are elucidated as the qualification regarding the efficiency and number of function evaluations compared with another literature of the implic

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