JOSA year 17 no. 3 (40)
eISSN 2068-3049

CONTENTS

SECTION A – Mathematics

1. ON AN EFFICIENT TECHNIQUE FOR SOLVING (1+1)-DIMENSIONAL BENJAMIN-BONA MAHONY EQUATION

(Qazi Mahmood Ul-Hassan, Muhammad Ashraf, Madiha Afzal, Kamran Ayub, Muhammad Yaqub Khan) / 393

2. THE STUDY OF NEW APPROACHES IN CUBIC SPLINE INTERPOLATION FOR AUTO MOBILE DATA

(Najmuddin Ahmad, Khan Farah Deeba) / 401

3. ON FIRST ORDER FUZZY DIFFERENTIAL SUPERORDINATION

(Nadhum H. Altai, Murtadha M. Abdulkadhim, Qays H. Imran) / 407

4. A NOTE ON THE SINGULARITY OF LCM MATRICES ON GCD - CLOSED SETS WITH 9 ELEMENTS

(Ercan Altinişik, Tuğba Altintaş) / 413

5. MODULAR A-METRIC SPACES

(Elif Aydin, Servet Kutukcu) / 423

6. A NOVEL TECHNIQUE TO OBTAIN SOLITON SOLUTIONS FOR MODIFIED KORTEWEG-DE VRIES EQUATION OF FRACTIONAL ORDER

(Kamran Ayub, M. Yaqub Khan, Qazi Mahmood-Ul-Hassan) / 433

7. THE VARIATIONAL ITERATION METHOD ON K-S EQUATION USING HE’S POLYNOMIALS

(Jamshad Ahmad, Aniqa) / 443

8. A COMPARISON BETWEEN TWO KINDS OF SUBSPACES TOPOLOGIES

(Mustafa H. Hadi) / 449

9. SOLVING SYSTEM OF DIFFERENTIAL EQUATIONS OF FRACTIONAL ORDER BY HOMOTOPY ANALYSIS METHOD

(Attia Rani, Munazza Saeed, Qazi Mahmood Ul-Hassan, Muhammad Ashraf, M. Yaqub Khan, Kamran Ayub) / 457

10. ON k-JACOBSTHAL AND k-JACOBSTHAL- LUCAS QUATERNIONS

(Dursun Tasci) / 469

11. A NOVEL CHELYSHKOV APPROACH TECHNIQUE FOR SOLVING FUNCTIONAL INTEGRO-DIFFERENTIAL EQUATIONS WITH MIXED DELAYS

(Cem Oğuz, Mehmet Sezer) / 477

12. DIGITAL ECONOMY A BRIDGE TO ROMANIAN COMPETITIVENESS FROM REGIONAL TO GLOBAL

(Lucretia Mariana Constantinescu, Ioana Panagoret) / 491

13. THE ROLE OF MATHEMATICAL MODELING IN ANALYSING THE IMPACT OF THE INTERNET ON COMMERCIAL ACTIVITIES

(Mircea Constantin Duica, Nicoleta Valentina Florea, Anisoara Duica, Valerica Toplicianu) / 503

SECTION B – Chemistry

1. MODELING OF THE INFLUENCE OF THERMIC TREATMENT UPON THE MECHANICAL PROPERTIES OF ALUMINUM-SILICON ALLOYS

(S. Elhamzi, A. Ibnlfassi, L. Zerrouk, E. Saad) / 523

2. STUDIES ON THE IDENTIFICATION OF BIOACTIVE COMPOUNDS IN ALGAE BIOMASS IN THE BLACK SEA WITH MAJOR THERAPEUTIC ACTIONS

(Emin Cadar, Aneta Tomescu, Bogdan Stefan Negreanu-Pirjol) / 533

3. FITOCHEMICAL AND ANTIOXIDANT CHARACTERIZATION OF AUTUMN CROCUS (COLCHICUM AUTUMNALE) FLOWERS AND ROOTS PLANT EXTRACTS

(Ioana-Raluca Suica-Bunghez, Rodica-Mariana Ion, Sofia Teodorescu, Ana-Alexandra Sorescu, Raluca-Maria Stirbescu, Nicolae-Mihail Stirbescu) / 539

4. VALORIFICATION OF WASTE FROM BIODIESEL PRODUCTION AS FERTILIZER FOR MEDICINAL HERBS

(Gabriela Stanciu, Lucica Barbes) / 547

SECTION C – Physics

1. NUMERICAL AND ANALYTICAL INVESTIGATION OF AN OSCILLATING WING HYDROKINETIC TURBINE AND HORIZONTAL AXIS MARINE CURRENT TURBINES

(Y. Farah, D. Saifaoui, A. Boulezhar) / 557

2. EFFECTS OF RADIATION AND CHEMICAL REACTION ON MHD FLOW PAST AN EXPONENTIALLY ACCELERATED INCLINED PLATE WITH VARIABLE TEMPERATURE AND MASS DIFFUSION IN THE PRESENCE OF HALL CURRENT

(U.S. Rajput, Gaurav Kumar) / 565

3. THE EFFECT OF THIN FLAME VELOCITY AND OTHER SENSITIVE FACTORS ON THE MAXIMUM TEMPERATURE OF THERMAL EXPLOSION IN THE EARTH’S INTERIOR

(Amos Oladele Popoola, Mutairu Kayode Kolawole, Morufu Oyedunsi Olayiwola) / 573

4. ELECTRICAL CHARACTERIZATION OF TRANSPARENT CONDUCTING MATERIALS

(Andrei Chilian, Iulian Bancuta, Oana Roxana Bancuta, Rodica Mariana Ion, Radu Setnescu, Tanta Setnescu) / 581

5. CONCURRENT ENGINEERING APPLICATION IN MICROSYSTEM TECHNOLOGY

(Nicolae Tanase, Gabriela Iosif, Adrian Nedelcu, Iulian Iordache, Ana-Maria Luchian, George Suciu, Victor Suciu, Emil Costea) / 597