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General Letters in Mathematics (GLM)

ISSN 2519-9277 (Online)
ISSN 2519-9269 (Print)
Frequency: Bimonthly
Language: English
Email: editorglm@Refaad.com
DOI: 10.31559/glm

Cheif-Editor: Dr. Osama Ababneh

General Letters in Mathematics is an academic journal published by Refaad.The aim of General Letters in Mathematics (GLM) is to provide fast publication of refereed, high quality original research papers in all areas of Mathematics.

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General Letters in Mathematics (GLM) is devoted to publish high-quality papers dealing with original research on a wide range of mathematical subjects, including almost all areas of pure and applied mathematics. The journal also emphasizes articles dealing with statistics, mathematical aspects of computational theory, as well as applications of mathematics in many branches of science and engineering. The topics related to this journal include but are not limited to:

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Zarqa University, Jordan
E-Mail : editorglm@refaad.com

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Department of Mathematics, Trakya University, Turkey
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Dr. Bitla Hari Prasad

Department of Mathematics, Chaitanya Group of Colleges (Autonomous), India
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Modified Newton's Methods with Seventh or Eighth -Order Convergence

Husnia Mohamed Eldanfour

https://doi.org/DOI:10.31559/glm2016.1.1.1
General Letters in Mathematics - Vol 1 (1) - (2016) 1-10
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2016 August
Full Text.PDFHTML Open XML FileViews 283 | PDF-Downloads 152

Congruences on Inverse Semigroups using Kernel Normal System

Laila M.Tunsi

https://doi.org/DOI:10.31559/glm2016.1.1.2
General Letters in Mathematics - Vol 1 (1) - (2016) 11-22
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2016 August
Full Text.PDFHTML Open XML FileViews 206 | PDF-Downloads 127

Integral Equations and their Relationship to Differential Equations with Initial Conditions

Mostefa Nadir; Somia Guechi

https://doi.org/DOI:10.31559/glm2016.1.1.3
General Letters in Mathematics - Vol 1 (1) - (2016) 23-31
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2016 August
Full Text.PDFHTML Open XML FileViews 87 | PDF-Downloads 113

The Invariance of the Reverse Order Law under Generalized Inverses of the Product of Two Closed Range Bounded Linear Operators on Hilbert Spaces and Characterization of the Property by the Norm Majorization

Hanifa Zekraoui; Cenap Ozel

https://doi.org/DOI:10.31559/glm2016.1.1.4
General Letters in Mathematics - Vol 1 (1) - (2016) 32-38
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2016 August
Full Text.PDFHTML Open XML FileViews 123 | PDF-Downloads 69

Existence and Regularity Results for the Stokes System with Mixed Boundary Conditions

Mourad Dilmi; Hamid. Benseridi

https://doi.org/DOI:10.31559/glm2016.1.1.5
General Letters in Mathematics - Vol 1 (1) - (2016) 39-44
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2016 August
Full Text.PDFHTML Open XML FileViews 262 | PDF-Downloads 98

Non Linear Free-Surface Flow Over a Submerged Obstacle

Abdelkrim Merzougui; Abdelkader Laiadi

https://doi.org/DOI:10.31559/glm2016.1.1.6
General Letters in Mathematics - Vol 1 (1) - (2016) 45-52
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2016 August
Full Text.PDFHTML Open XML FileViews 124 | PDF-Downloads 50

Some Types of µ-semi-compactness Via hereditary classes

Abdo Qahis

https://doi.org/DOI:10.31559/glm2016.1.2.1
General Letters in Mathematics - Vol 1 (2) - (2016) 53-63
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2016 Oct
Full Text.PDFHTML Open XML FileViews 163 | PDF-Downloads 91

Iλ -Statistical Convergence of Order α in Topological Groups

Ekrem SAVAS

https://doi.org/DOI:10.31559/glm2016.1.2.2
General Letters in Mathematics - Vol 1 (2) - (2016) 64-73
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2016 August
Full Text.PDFHTML Open XML FileViews 130 | PDF-Downloads 68

European Option Pricing of Fractional Black-Scholes Model Using Sumudu Transform and its Derivatives

Waseem Asghar Khan; Faryal Aijaz Ansari

https://doi.org/DOI:10.31559/glm2016.1.3.1
General Letters in Mathematics - Vol 1 (3) - (2016) 74-80
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2016 Oct
Full Text.PDFHTML Open XML FileViews 108 | PDF-Downloads 62

Application of Optimal Homotopy Asymptotic Method for Solving Linear Boundary Value Problems Differential Equation

Malik . S Awwad; Osama . Y Ababneh

https://doi.org/DOI:10.31559/glm2016.1.3.2
General Letters in Mathematics - Vol 1 (3) - (2016) 81-94
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2016 August
Full Text.PDFHTML Open XML FileViews 112 | PDF-Downloads 112

Global Properties of the Solution of the Einstein-Maxwell-Boltzmann-Scalar Field System with Pseudo-Tensor of Pressure on a Bianchi Type I Space-Time

Noutchegueme Norbert; Dongo David; Djiofack Francis Etienne

https://doi.org/DOI:10.31559/glm2016.2.1.1
General Letters in Mathematics - Vol 2 (1) - (2017) 1-16
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2017
Full Text.PDFHTML Open XML FileViews 57 | PDF-Downloads 60

Repeat Codes, Even Codes, Odd Codes and Their Equivalence

Mustafa Özkan; Figen Öke

https://doi.org/DOI:10.31559/glm2016.2.1.2
General Letters in Mathematics - Vol 2 (1) - (2017) 17-24
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2017
Full Text.PDFHTML Open XML FileViews 90 | PDF-Downloads 46

Preface to the Special Issue on the International Workshop on Applied Mathematics Errachidia (IWAM’2017)

M. R. Sidi Ammi; M. Tilioua; Delfim F. M. Torres

https://doi.org/DOI:10.31559/glm2016.2.2.0
General Letters in Mathematics - Vol 2 (2) - (2017) 0-0
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2017 April
Full Text.PDFHTML Open XML FileViews 47 | PDF-Downloads 53

Error Estimates and Analysis Results for Signorini’s Problem in Thermo-Electro-Viscoelasticity

EL-H. Essoufi ; M. Alaoui; M. Bouallala

https://doi.org/DOI:10.31559/glm2016.2.2.1
General Letters in Mathematics - Vol 2 (2) - (2017) 25-41
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2017 April
Full Text.PDFHTML Open XML FileViews 54 | PDF-Downloads 46

Fuzzy α−semigroups of operators

A. El Allaoui ; S. Melliani; L. S. Chadli

https://doi.org/DOI:10.31559/glm2016.2.2.2
General Letters in Mathematics - Vol 2 (2) - (2017) 42-49
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2017 April
Full Text.PDFHTML Open XML FileViews 24 | PDF-Downloads 25

Attitude Control of a Quadcopter Platform Based on Fractional Control Laws

Taha Ennaciri ; Nabil Mrani; Ahmed El abbassi; Jaouad Foshi

https://doi.org/DOI:10.31559/glm2016.2.2.3
General Letters in Mathematics - Vol 2 (2) - (2017) 50-56
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2017 April
Full Text.PDFHTML Open XML FileViews 20 | PDF-Downloads 19

A Lightweight Neural Classifier for Intrusion Detection

Azidine GUEZZAZ ; Ahmed ASIMI; Younes ASIMI; Zakariae TBATOU; Yassine SADQI

https://doi.org/DOI:10.31559/glm2016.2.2.4
General Letters in Mathematics - Vol 2 (2) - (2017) 57-66
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2017 April
Full Text.PDFHTML Open XML FileViews 11 | PDF-Downloads 12

Binary Linear Codes and Binary Matrices

Driss Harzalla

https://doi.org/DOI:10.31559/glm2016.2.2.5
General Letters in Mathematics - Vol 2 (2) - (2017) 67-72
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2017 April
Full Text.PDFHTML Open XML FileViews 24 | PDF-Downloads 17

Existence of Solution of Neutral Fractional Impulsive Differential Equations with Infinite Delay

K.Hilal; Y. Allaoui

https://doi.org/DOI:10.31559/glm2016.2.2.6
General Letters in Mathematics - Vol 2 (2) - (2017) 73-83
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2017 April
Full Text.PDFHTML Open XML FileViews 40 | PDF-Downloads 21

Regional Gradient Exact Enlarge Controllability of the Semilinear Heat Equation

Touria Karite; Ali Boutoulout; Fatima Zahrae EL Alaoui

https://doi.org/DOI:10.31559/glm2016.2.2.7
General Letters in Mathematics - Vol 2 (2) - (2017) 84-93
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2017 April
Full Text.PDFHTML Open XML FileViews 35 | PDF-Downloads 16

Source to Coast Pollutants Distribution in Tangier Area: Arc GIS Interpolation and Finite Element Methods

Saiida Lazaar; Siham Abourida

https://doi.org/DOI:10.31559/glm2016.2.2.8
General Letters in Mathematics - Vol 2 (2) - (2017) 94-98
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2017 April
Full Text.PDFHTML Open XML FileViews 26 | PDF-Downloads 12

Duality Between Differentiability and Minimization in Banach Spaces

Nourddin Saidou

https://doi.org/DOI:10.31559/glm2016.2.2.9
General Letters in Mathematics - Vol 2 (2) - (2017) 99-104
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2017 April
Full Text.PDFHTML Open XML FileViews 90 | PDF-Downloads 24

Oscillatory Behavior of Higher-Order Delay Differential Equations

O. Bazighifan

https://doi.org/DOI:10.31559/glm2016.2.3.1
General Letters in Mathematics - Vol 2 (3) - (2017) 105-110
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2017
Full Text.PDFHTML Open XML FileViews 24 | PDF-Downloads 24

On Binary Generalized Topological Spaces

Jamal M. Mustafa

https://doi.org/DOI:10.31559/glm2016.2.3.2
General Letters in Mathematics - Vol 2 (3) - (2017) 111-116
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2017
Full Text.PDFHTML Open XML FileViews 69 | PDF-Downloads 17

A Fourth Order Difference Method For a Nonlinear Elliptic PDEs in Two Dimension Space

P. K. Pandey

https://doi.org/DOI:10.31559/glm2016.2.3.3
General Letters in Mathematics - Vol 2 (3) - (2017) 117-128
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2017
Full Text.PDFHTML Open XML FileViews 55 | PDF-Downloads 16

Lacunary Interpolation Using Quartic B-Splin

Karwan Hama Faraj Jwamer; Bzhar Jamal

https://doi.org/DOI:10.31559/glm2016.2.3.4
General Letters in Mathematics - Vol 2 (3) - (2017) 129-137
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2017
Full Text.PDFHTML Open XML FileViews 20 | PDF-Downloads 13

On the Effect of Stochastic Extra Contribution on Optimal Investment Strategies for Stochastic Salary Under the Affine Interest Rate Model in a DC pension Fund

Bright O. Osu; Edikan E. Akpanibah ; Njoku K. N. C

https://doi.org/DOI:10.31559/glm2016.2.3.5
General Letters in Mathematics - Vol 2 (3) - (2017) 138-149
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2017
Full Text.PDFHTML Open XML FileViews 41 | PDF-Downloads 12

QSPR Analysis of Degree-Based Topological Indices with physical properties of Benzenoid Hydrocarbons

Rachanna Kanabur; Vijayalaxmi Shigehalli

https://doi.org/DOI:10.31559/glm2016.2.3.6
General Letters in Mathematics - Vol 2 (3) - (2017) 150-169
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2017
Full Text.PDFHTML Open XML FileViews 73 | PDF-Downloads 10

Integrable Systems, Spectral Curves and Representation Theory

A. Lesfari

https://doi.org/DOI:10.31559/glm2016.3.1.1
General Letters in Mathematics - Vol 3 (1) - (2017) 1-24
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2017
Full Text.PDFHTML Open XML FileViews 22 | PDF-Downloads 27

A Brief Note Concerning Non-Self Contractions in Banach Spaces Endowed with a Graph

Esra Yolacan

https://doi.org/DOI:10.31559/glm2016.3.1.2
General Letters in Mathematics - Vol 3 (1) - (2017) 25-30
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2017
Full Text.PDFHTML Open XML FileViews 21 | PDF-Downloads 13

On the Lower Estimations for Maximal (±1)-Determinants

A.A.Azamov

https://doi.org/DOI:10.31559/glm2016.3.1.3
General Letters in Mathematics - Vol 3 (1) - (2017) 31-34
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2017
Full Text.PDFHTML Open XML FileViews 34 | PDF-Downloads 11

Applications of Homotopy Perturbation Transform Method for Solving Newell-Whitehead-Segel Equation

Mohamed Zellal ; Kacem Belghaba

https://doi.org/DOI:10.31559/glm2016.3.1.4
General Letters in Mathematics - Vol 3 (1) - (2017) 35-46
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2017
Full Text.PDFHTML Open XML FileViews 113 | PDF-Downloads 26

Existence Solutions of the Complex Linear Differential Equations in QK,ω(p,q) Spaces

A. Kamal ; T.I. Yassen

https://doi.org/DOI:10.31559/glm2016.3.1.5
General Letters in Mathematics - Vol 3 (1) - (2017) 47-56
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2017
Full Text.PDFHTML Open XML FileViews 52 | PDF-Downloads 26

Hyers-Ulam-Rassias Stability Criteria of Nonlinear Differential Equations of Lane-Emden Type

Maher Nazmi Qarawani

https://doi.org/DOI:10.31559/glm2016.3.1.6
General Letters in Mathematics - Vol 3 (1) - (2017) 57-70
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2017
Full Text.PDFHTML Open XML FileViews 31 | PDF-Downloads 16

Characterizations of Interval-Valued Intuitionistic Fuzzy n-Fold Positive Implicative Deal of BCK-Algebras

R. Durga Prasad ; B. Satyanarayana ; G. Gebregziabiher

https://doi.org/DOI:10.31559/glm2016.3.1.7
General Letters in Mathematics - Vol 3 (1) - (2017) 71-80
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2017
Full Text.PDFHTML Open XML FileViews 39 | PDF-Downloads 18

Operational Formulae of the Multivariable Hypergeometric Matrix Functions and Related Matrix Polynomials

M. Abdalla ; H. Abd-Elmageed ; M. Abul-Ez ; Z. Kishka

https://doi.org/DOI:10.31559/glm2016.3.2.1
General Letters in Mathematics - Vol 3 (2) - (2017) 81-90
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2017
Full Text.PDFHTML Open XML FileViews 34 | PDF-Downloads 20

Soft Fuzzy Metric Spaces

Ferhan S¸ola Erduran ; Ebru Yi˘git ; Rabia Alar; Ayten Gezici

https://doi.org/DOI:10.31559/glm2016.3.2.2
General Letters in Mathematics - Vol 3 (2) - (2017) 91-101
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2017
Full Text.PDFHTML Open XML FileViews 47 | PDF-Downloads 22

Numerical Solution for Solving Fractional Differential Equations using Shifted Chebyshev Wavelet

Mohamed Elarabi Benattia ; Belghaba Kacem

https://doi.org/DOI:10.31559/glm2016.3.2.3
General Letters in Mathematics - Vol 3 (2) - (2017) 102-111
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2017
Full Text.PDFHTML Open XML FileViews 48 | PDF-Downloads 15

Some Extensions on Cerone's Generalizations of Steffensen’s Inequality

Atta Abu Hany ; Mahmoud Al Agha

https://doi.org/DOI:10.31559/glm2016.3.2.4
General Letters in Mathematics - Vol 3 (2) - (2017) 112-120
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2017
Full Text.PDFHTML Open XML FileViews 67 | PDF-Downloads 20

(∈, ∈ ∨q)- Fuzzy Hemirings and (∈¯, ∈ ∨¯ ¯q)- Fuzzy Hemirings

Md. Yasin Ali; Kanak Ray Chowdhury; Abeda Sultana ; Nirmal Kanti Mitra

https://doi.org/DOI:10.31559/glm2016.3.2.5
General Letters in Mathematics - Vol 3 (2) - (2017) 121-131
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2017
Full Text.PDFHTML Open XML FileViews 23 | PDF-Downloads 25

Field Extension by Galois Theory

Md Taufiq Nasseef

https://doi.org/DOI:10.31559/glm2016.3.3.1
General Letters in Mathematics - Vol 3 (3) - (2017) 132-153
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2017
Full Text.PDFHTML Open XML FileViews 48 | PDF-Downloads 20

Multiple Homoclinic Solutions for a Class of Superquadratic Fourth-order Differential Equations

Mohsen Timoumi

https://doi.org/DOI:10.31559/glm2016.3.3.2
General Letters in Mathematics - Vol 3 (3) - (2017) 154-163
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2017
Full Text.PDFHTML Open XML FileViews 71 | PDF-Downloads 14

On Spherically Symmetric Solutions of the Einstein-Maxwell Field Equations

Rashida Bibi ; Tooba Feroze; Azad A. Siddiqui

https://doi.org/DOI:10.31559/glm2016.3.3.3
General Letters in Mathematics - Vol 3 (3) - (2017) 164-168
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2017
Full Text.PDFHTML Open XML FileViews 52 | PDF-Downloads 9

Systems Theory: An Approach to Mass-Damper-Spring and Mass-Nondamper-Spring Systems

J. Sunday

https://doi.org/DOI:10.31559/glm2016.3.3.4
General Letters in Mathematics - Vol 3 (3) - (2017) 169-176
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2017
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Evaluation of Instantaneous Reliability Measures for a Gradual Deteriorating System

Tijjani A. Waziri; Bashir M. Yakasai; Ibrahim Yusuf

https://doi.org/DOI:10.31559/glm2016.3.3.5
General Letters in Mathematics - Vol 3 (3) - (2017) 177-185
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2017
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Lie algebra and Laguerre Matrix Polynomials of One Variable

Ayman Shehata

https://doi.org/DOI:10.31559/glm2016.4.1.1
General Letters in Mathematics - Vol 4 (1) - (2018) 1-5
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2018
Full Text.PDFHTML Open XML FileViews 80 | PDF-Downloads 44

Finite Difference Method for Numerical Solution of Two Point Boundary Value Problems with Non-uniform Mesh and Internal Boundary Condition

P. K. Pandey

https://doi.org/DOI:10.31559/glm2016.4.1.2
General Letters in Mathematics - Vol 4 (1) - (2018) 6-12
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2018
Full Text.PDFHTML Open XML FileViews 65 | PDF-Downloads 22

On Hadamard and Kronecker Products Over Matrix of Matrices

Z. Kishka; M. Saleem ; M. Abdalla; A. Elrawy

https://doi.org/DOI:10.31559/glm2016.4.1.3
General Letters in Mathematics - Vol 4 (1) - (2018) 13-22
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2018
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The Fischer-Cliford Matrices and Character Table of the Split Extension Group 2^5:SL(5,2)

Rauhi I. Elkhatib

https://doi.org/DOI:10.31559/glm2016.4.1.4
General Letters in Mathematics - Vol 4 (1) - (2018) 23-35
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2018
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Thermally Driven Steady MHD Mixed Convective Chemically Reacting Flow over a Hot Porous Linearly Stretching Sheet

Okuyade Ighoroje W.A.

https://doi.org/DOI:10.31559/glm2016.4.1.5
General Letters in Mathematics - Vol 4 (1) - (2018) 36-51
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2018
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Automorphism groups of Cayley graphs of order pq2 where p =/= q are prime numbers

Eskandar Ali ; Ahed Hassoon

https://doi.org/DOI:10.31559/glm2016.4.2.1
General Letters in Mathematics - Vol 4 (2) - (2018) 52-60
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2018
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Regularized Minimization of Convex Functions in Radon Nikodym Space

Nourddin SAIDOU; Mhamed ZINEDDINE; Bouchaib Ferrahi

https://doi.org/DOI:10.31559/glm2016.4.2.2
General Letters in Mathematics - Vol 4 (2) - (2018) 61-66
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2018
Full Text.PDFHTML Open XML FileViews 49 | PDF-Downloads 24

Exact Solution of a Nonlinear Time-Caputo Fabrizio Fractional Dispersive Equation

Abdelaziz OUHADAN; Youness CHATIBI; El Hassan ELKINANI; Ibrahim Ahmed AL-SUBAIHI

https://doi.org/DOI:10.31559/glm2016.4.2.3
General Letters in Mathematics - Vol 4 (2) - (2018) 67-75
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2018
Full Text.PDFHTML Open XML FileViews 94 | PDF-Downloads 11

Principal Components and Factor Analysis of Fertility Differentials in Tanzania

Christopher Mbotwa; Rocky R. Akarro

https://doi.org/DOI:10.31559/glm2016.4.2.4
General Letters in Mathematics - Vol 4 (2) - (2018) 76-85
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2018
Full Text.PDFHTML Open XML FileViews 40 | PDF-Downloads 11

Annual Forecasting Using a Hybrid Approach

Qais Mustafa Abdulqader

https://doi.org/DOI:10.31559/glm2016.4.2.5
General Letters in Mathematics - Vol 4 (2) - (2018) 86-95
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2018
Full Text.PDFHTML Open XML FileViews 29 | PDF-Downloads 17
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Latest Articles
Annual Forecasting Using a Hybrid Approach
Qais Mustafa Abdulqader
Principal Components and Factor Analysis of Fertility Differentials in Tanzania
Christopher Mbotwa; Rocky R. Akarro
Exact Solution of a Nonlinear Time-Caputo Fabrizio Fractional Dispersive Equation
Abdelaziz OUHADAN; Youness CHATIBI; El Hassan ELKINANI; Ibrahim Ahmed AL-SUBAIHI
Regularized Minimization of Convex Functions in Radon Nikodym Space
Nourddin SAIDOU; Mhamed ZINEDDINE; Bouchaib Ferrahi
Automorphism groups of Cayley graphs of order pq2 where p =/= q are prime numbers
Eskandar Ali ; Ahed Hassoon
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