JOSA year 20 no. 4 (53)
eISSN 2068-3049

CONTENTS

SECTION A – Mathematics

1. AN IMPROVED CLASS OF REGRESSION ESTIMATORS USING THE AUXILIARY INFORMATION

(Muhammad Ijaz, Tolga Zaman, Hasan Bulut, Atta Ullah, Syed Muhammad Asim) / 789

2. ON CAUCHY-RIEMANN STRUCTURES AND THE GENERAL EVEN ORDER STRUCTURE

(Mohammad Nazrul Islam Khan) / 801

3. ON THE QUANTUM CODES OVER  Yq

(Abdullah Dertli, Yasemin Cengellenmis) / 809

4. SOLVING SOME IMPORTANT NONLINEAR TIME-FRACTIONAL EVOLUTION EQUATIONS BY USING THE (G’/G)-EXPANSION METHOD

(Medjahed Djilali, Ali Hakem) / 815

5. ENERGY OF THE FERMI-WALKER DERIVATIVES OF MAGNETIC CURVES ACCORDING TO THE BISHOP FRAME IN THE SPACE

(Talat Korpinar, Hatice Ozdemir) / 833

6. HERMITE POLYNOMIAL APPROACH FOR SOLVING SINGULAR PERTURBATED DELAY DIFFERENTIAL EQUATIONS

(Suayip Yuzbasi, Nurcan Baykus Savasaneril) / 845

7. MIN MATRICES WITH HYPER LUCAS NUMBERS

(Derya Ozgul, Mustafa Bahsi) / 855

8. THE SHAPE OPERATOR OF THE BEZIER SURFACES IN MINKOWSKI-3 SPACE

(Hatice Kusak Samanci, Serkan Celik, Muhsin Incesu) / 865

9. A STUDY ON THE  HARMONIC EVOLUTE SURFACES OF QUASI BINORMAL SURFACES

(Gul Ugur Kaymanli, Talat Korpinar) / 881

10. A NEW FAMILIES OF GAUSS k-JACOBSTHAL NUMBERS AND GAUSS k-JACOBSTHAL-LUCAS NUMBERS AND THEIR POLYNOMIALS

(Engin Ozkan, Merve Tastan) / 893

11. THE CONVERGENCE ON ALGEBRAIC LATTICE NORMED SPACES

(Abdullah Aydin) / 909

12. GAP FUNCTION WITH ERROR BOUND FOR RANDOM GENERALIZED VARIATIONAL-LIKE INEQUALITY PROBLEMS

(Zubair Khan, Abdul Faiz Ansari) / 917

13. SOME NOTES ON THE MODIFIED RIEMANNIAN EXTENSION  ON COTANGENT BUNDLE

(Hasim Cayir) / 931

14. NEW CLASS OF CLOSED SETS IN NANO TOPOLOGICAL SPACES

(Volety V.S. Ramachandram) / 941

15. CONDITIONS IMPLYING NORMALITY AND HYPO-NORMALITY OF OPERATORS IN HILBERT SPACE

(Mohammed Meziane, Abdelkader Benali) / 947

SECTION B – Chemistry

1. EFFECT OF GROUND AND ROASTED PARAMETERS ON BOTH THE MICROSTRUCTURE OF ARABICA COFFEE BEANS AND COFFEE INFUSION – AN IMAGISTIC STUDY

(Alina Mihaela Cantaragiu, Angela Stela Ivan, Petru Alexe, Carmelia Mariana Dragomir Balanica, Maricica Stoica) / 957

2. IN VITRO CHARACTERIZATION OF HYDROXYAPATITE-BASED BIOMATERIALS, USING MESENCHYMAL STEM CELL CULTURES FROM HUMAN BONE MARROW

(Livia Elena Sima, Renata-Maria Varut, Oana Gingu, Gabriela Sima, Cristina Teisanu, Johny Neamtu) / 969

3. INDOOR MICROCLIMATIC VARIABLES ASSESSMENT BY VIBRATIONAL SPECTROSCOPY ON ORIGINAL STRUCTURE OF TROPAEUM TRAIANI MONUMENT, ADAMCLISI

(Radu Lucian Olteanu, Cristiana Radulescu, Claudia Stihi, Ioana Daniela Dulama, Cristina Mihaela Nicolescu, Sorina Geanina Stanescu,  Ioan Alin Bucurica, Ion Valentin Gurgu, Raluca Maria Stirbescu, Anca Irina Gheboianu, Dorin Dacian Let, Sofia Teodorescu, Liviu Olteanu, Nicolae Mihail Stirbescu) / 977

4. AB INITIO STUDY ON OPTIMIZATION OF BISPHENOL A AND PHOSGENE TO MANUFACTURE POLYCARBONATE

(Bahtiyar A. Mamedov, Elif Somuncu, Ebru Karatas) / 995

SECTION C – Physics

1. STUDYING THE TRANSMISSION OF HEPATITIS-B VIRUS THROUGH SENSITIVITY ANALYSIS

(Asghar Ali, Mohammad Munir, Rashida Hussain, Saima Mehmood) / 999

2. XRF ANALYSIS OF ARSENIC AND SELECTED METALS IN CONTAMINATED SAND FROM THE DISMANTLING OF INDUSTRIAL DISTILLATION PLANTS

(Antoaneta Ene, Florin Sloata) / 1011

3. THE EFFECT OF MICROBIOLOGICAL FACTOR ON THE EVALUATION OF WATER QUALITY USING FUZZY LOGIC

(Cumhur Avsar, Tahir Ceylan) / 1019

4. IoT PULSE OXIMETRY STATUS MONITORING FOR HOME QUARANTINED COVID-19 PATIENTS

(Viorel Miron-Alexe) / 1029

5. IMAGE PROCESSING METHOD BASED QUALITY TEST ON A SMART FLEXIBLE ASSEMBLY MECHATRONIC SYSTEM WITH COMPONENT RECOVERY

(Marius-Adrian Paun, Ion Valentin Gurgu, Octavian Gabriel Duca, Eugenia Minca) / 1037

6. 2D NUMERICAL SIMULATION OF MAGNETIC FIELD IN LOW-VOLTAGE CIRCUIT BREAKER

(Elena Otilia Virjoghe, Mihail Florin Stan, Cosmin Cobianu, Nicolae Fidel) / 1049