JOSA year 22 no. 2 (59)
eISSN 2068-3049

CONTENTS

SECTION A – Mathematics

1. THE CONSISTENCY OF THE KERNEL ESTIMATION OF THE FUNCTION CONDITIONAL DENSITY FOR ASSOCIATED DATA IN HIGH-DIMENSIONAL STATISTICS

(Imed Bouaker, Abderrahmane Belguerna, Hamza Daoudi) / 247

2. SOME SPECIAL CURVES IN THE UNIT TANGENT BUNDLES OF SURFACES

(Murat Altunbaş) / 257

3. SOME IMPROVED ESTIMATORS FOR THE MEAN ESTIMATION UNDER STRATIFIED SAMPLING BY USING TRANSFORMATIONS

(Nasir Ali, Ishfaq Ahmad, Usman Shahzad, NADIA H. Al-Noor) / 265

4. AN INTEGRO DIFFERENTIAL LANE EMDEN EQUATION INVOLVING THREE PHI-CAPUTO DERIVATIVES

(Houari Fettouch, Hamid Beddani) / 289

5. NEW TAIL PROBABILITY TYPE INEQUALITIES AND COMPLETE CONVERGENCE FOR WOD RANDOM VARIABLES WITH APPLICATION TO LINEAR MODEL GENERATED BY WOD ERRORS

(Zoubeyr Kaddour, Abderrahmane Belguerna, Samir Benaissa) / 309

6. EXISTENCE AND UNIQUENESS FOR FRACTIONAL DIFFERENTIAL EQUATIONS WITH MULTIPOINT AND MULTI-TERM INTEGRAL BOUNDARY CONDITIONS

(Habib Djourdem) / 319

7. OPTIMUM SEPARATE RATIO -TYPE EXPONENTIAL ESTIMATOR FOR COMPUTATION OF POPULATION MEAN IN STRATIFIED RANDOM SAMPLING

(Khalid Ul Islam Rather, M. Iqbal Jeelani, Afshan Tabassum) / 331

8. QUESTING ELEVATED FAMILY OF PRODUCT ESTIMATORS OF POPULATION MEAN USING AUXILIARY VARIABLES

(Subhash Kumar Yadav, Tolga Zaman, Ankit Khokhar, Sudipta Saha) / 343

9. AN EXTENSION RESULT ON SIMILARITY SOLUTIONS ARISING DURING MIXED CONVECTION

(Mohamed Boulekbache, Mohammed Aiboudi) / 351

10. DIFFERENCE-CUM-EXPONENTIAL EFFICIENT ESTIMATOR OF POPULATION VARIANCE

(Khalid Ul Islam Rather, M. Iqbal Jeelani, M. Younis Shah, Afshan Tabassum, S.E.H Rizvi) / 367

11. AN EXISTENCE SOLUTION FOR A COUPLED SYSTEM WITH LAPLACIAN OPERATOR AND HILFER DERIVATIVES

(Mohammed Kaid, Houari Fettouch) / 375

12. ON COMPARISON OF SOLUTION OF ORDINARY DIFFERENTIAL EQUATION WITH HAAR WAVELET METHOD AND THE MODIFIED ISHIKAWA ITERATION METHOD

(Yasemin Bakir, Oya Mert, Özlem Orhan) / 389

13. ON THE 1-PARAMETER MOTIONS WITH MULTIPLICATIVE CALCULUS

(Hasan Es) / 395

14. QUASI FOCAL CURVES OF ADJOINT CURVES OF TIMELIKE CURVES IN 3D MINKOWSKI SPACE

(Talat Korpinar, Ahmet Sazak, Zeliha Korpinar) / 407

15. DEVELOPABLE SURFACES GENERATED  BY USING MOVING FRAME

(Murat Bekar, Fouzi Hathout, Yusuf Yayli) / 413

16. THE PARALLEL TRAJECTORY RULED SURFACES

(Elif Kurt, Fatma Güler) / 439

17. NUMERICAL SOLUTIONS OF DIFFERENTIAL-ALGEBRAIC EQUATIONS (DAEs) USING LEGENDRE POLYNOMIALS APPROXIMATIONS

(Mutlu Akar) / 449

18. ENSEMBLE LEARNING ALGORITHMS

(Selin Ceren Turan, Mehmet Ali Cengiz) / 459

19. MODELLING AND SIMULATION OF DISTRIBUTED SYSTEMS USING INTELLIGENT MULTI-AGENTS

(Otilia Elena Dragomir) / 471

SECTION B – Chemistry

1. ANALYSIS OF ARCHAEOLOGICAL SWORD MATERIALS FROM BURIDAVA SITE

(Ovidiu Vasile Udrescu, Adriana Gabriela Plaiasu, Constantin Augustus Barbulescu, Marian Catalin Ducu, Sorin Georgian Moga, Denis Aurelian Negrea) / 483

2. STRUCTURAL EVOLUTION IN IRON OXIDE TABLETS AT VIBRATION TESTING FOR CATALYTIC CONVERTERS

(Ecaterina Magdalena Modan, Adriana Gabriela Plaiasu) / 497

SECTION C – Physics

1. TRANSIT TIME MODEL ANALYSIS THROUGH THE BASIS IN THE CASE OF DRIFT TRANSISTORS HBT

(Gabriel Predusca) / 507