NEWS OF THE NATIONAL ACADEMY OF SCIENCES OF THE REPUBLIC OF KAZAKHSTAN. SERIES PHYSICO-MATHEMATICAL

• A.S. Askarova1-2, S.A. Bolegenova1 , P. Safarik3 , V.Yu. Maximov1 , A.O. Nugymanova1*, S.A. Bolegenova2

3D MODELING OF HEAT TRANSFER PROCESSES IN THE COMBUSTION CHAMBER BOILER OF THERMAL POWER PLANTS      5-13

• A.T.Assanova1,2, E.A.Bakirova1,2,3, Zh.M.Kadirbayeva1,2,4

NUMERICALLY APPROXIMATE METHOD FOR SOLVING OF A CONTROL PROBLEM FOR INTEGRO-DIFFERENTIAL EQUATIONS OF PARABOLIC TYPE      14-24

• K. Boshkayev1, 2, 3, G. Zhumakhanova2 , K. Mutalipova2 , M. Muccino4

INVESTIGATION OF DIFFERENT DARK MATTER PROFILES       25-33

• P. Safarik1 , A.S. Askarova2-3, S.A. Bolegenova2-3, V.Yu. Maximov2 , S.A. Bolegenova3*, A.O. Nugymanova2

OPTIMIZATION OF THE SOLID FUEL COMBUSTION PROCESS IN COMBUSTION CHAMBERS IN ORDER TO REDUCE HARMFUL EMISSIONS        34-42

• K.Baktybaev1 , A. Dalelkhankyzy1 , M.K.Baktybaev2 , N.O.Koilyk1

FERMION THEORY OF COLLECTIVE STATES OF NUCLEI, ITS APPLICATION TO THE STRUCTURE OF REAL SYSTEMS        43-51

• A.Sh. Shaldanbayev1 , A.A. Shaldanbayeva2 , A.Zh. Beisebayeva3 , B.A. Shaldanbay4

INVERSE PROBLEM OF STURM-LIOUVILLE OPERATOR WITH NON-SEPARATED BOUNDARY VALUE CONDITIONS AND SYMMETRIC POTENTIAL       52-62

• Zh.A. Sartabanov1 , B.Zh. Omarova1 , A.Kerimbekov2

RESEARCH OF MULTIPERIODIC SOLUTIONS OF PERTURBED LINEAR AUTONOMOUS SYSTEMS WITH DIFFERENTIATION OPERATOR ON THE VECTOR FIELD    63-79

• B.A. Zhami1,*, K.Boshkayev1,2,3, H. Quevedo1,4 and Zh.A. Kalymova1,2

ON SOME EFFECTS IN THE STRUCTURE OF WHITE DWARFS       80-89

• A.Sh. Shaldanbayev1 , M.B. Ivanova2 , A.N.Urmatova3 , A.A. Shaldanbayeva4

SPECTRAL DECOMPOSITION OF A FIRST ORDER FUNCTIONAL DIFFERENTIAL OPERATOR        90-105

• Zh.А. Sartabanov, G.M.Aitenova

MULTIPERIODIC SOLUTIONS OF LINEAR SYSTEMS INTEGRO-DIFFERENTIAL EQUATIONS WITH Dc -OPERATOR AND  -PERIOD OF HEREDITARY       106-122

• S.K. Zamanova, A.D. Muradov

ON THE APPLICATION OF QUADRATURE FORMULAS FOR CALCULATING INTEGRALS OF ARBITRARY MULTIPLICITY        123-129

• М.B. Zhassybayeva, К.R. Yesmakhanova

SOLITON SOLUTIONS FOR THE (2+1)-DIMENSIONAL INTEGRABLE FOKAS-LENELLS EQUATION        130-137

• B.S. Baizhanov1 , S.S. Baizhanov2

SOME QUESTIONS ON EXTERNAL DEFINABILITY       138-142