Journal of Osh State University. Mathematics. Physics. Technical Sciences

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No. 2(5) (2024): BULLETIN OF OSH STATE UNIVERSITY MATHEMATICS. PHYSICS. TECHNOLOGY.

View No. 2(5) (2024): BULLETIN OF OSH STATE UNIVERSITY MATHEMATICS. PHYSICS. TECHNOLOGY.

Published: 2024-12-18

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MATHEMATICS

ASYMPTOTIC BEHAVIOR OF SOLUTIONS TO SINGULARLY PERTURBED EQUATIONS WITH PAIRWISE COMPLEX CONJUGATE TURNING POINTS

Kurmanbek Alybaev ; Mairamgul Nurmatova

6-15
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BOUNDARY VALUE PROBLEMS FOR A FOURTH ORDER EQUATION CONTAINING A THIRD TIME DERIVATIVE IN SEMI-BOUNDED DOMAINS

Yupjon Apakov , Dilshoda Melikuzieva

16-25
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ON A BOUNDARY VALUE PROBLEM FOR A THIRD-ORDER INHOMOGENEOUS EQUATION IN THREE-DIMENSIONAL SPACE

Yupjon Apakov , Azizbek Hamitov

26-34
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NVESTIGATION OF SOLUTIONS OF NONLINEAR INTEGRO-DIFFERENTIAL EQUATIONS IN PARTIAL DERIVATIVES OF THE THIRD ORDER

Aizharkyn Ashirbaeva , Gulsara Abdakimova

35-40
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ON A SYSTEM OF NONLINEAR PARTIAL DIFFERENTIAL EQUATIONS OF THE SECOND ORDER

Aizharkyn Ashirbayeva , Malika Bekieva

41-45
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INTERPOLATION METHODS FOR SPACES OF STOCHASTIC PROCESSES

Serzhan Basarov , Kuanysh Bekmaganbetov , Erlan Nursultanov

46-52
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ON UNIQUENESS OF THE SOLUTION TO CAUCHY PROBLEM IN KPP-MODEL WITH NONLOCAL COMPETITION

Alexey Davydov , Anton Platov , Dmitry Tunitsky

53-57
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USING THE ADDITIONAL ARGUMENT METHOD FOR A NONLINEAR PARTIAL DIFFERENTIAL EQUATION OF THE FOURTH ORDER

Chebire Zholdoshova

58-62
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ABOUT QUASI-DOUBLE LINE OF THE PARTIAL MAPPING OF THE SPACE E_6

Anargul Zulpukar kyzy , Nigorakhon Rezhapova , Ayzirek Momunova

63-67
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APPLICATION OF THE METHOD OF DECOMPOSITION INTO EXPONENTIAL SERIES BASED ON THE SPECTRAL PARAMETER IN EIGENVALUE PROBLEMS

Baltabek Kanguzhin , Jamshid Khujakmetov

68-74
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ON A NONLOCAL PROBLEM FOR A MIXED PARABOLIC-HYPERBOLIC TYPE EQUATION OF THIRD ORDER WITH A CONJUGATION LINE

Kudaiberdi Kozhobekov , Akylbek Sopuev

75-82
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GREEN'S FUNCTIONS OF SOME BOUNDARY VALUE PROBLEMS FOR BYHARMONIC OPERATORS AND THEIR CORRECT CONSTRICTIONS

Bakytbek Koshanov , Muzaffar Sabirzhanov

83-95
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SOLVABILITY AND STRUCTURE OF SOLUTIONS TO THE INITIAL PROBLEM OF HIGH-ORDER INTEGRO-DIFFERENTIAL PARTIAL DIFFERENTIAL EQUATIONS

Torogeldi Kydyraliev , Marat Chamashev

96-101
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ON THE FORMULATION AND STUDY OF A BOUNDARY VALUE PROBLEM FOR A FOURTH-ORDER EQUATION OF PARABOLIC-HYPERBOLIC TYPE IN A MIXED PENTAGONAL DOMAIN

Mirza Mamajonov

102-115
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ON A BOUNDARY VALUE PROBLEM FOR A FOURTH-ORDER EQUATION OF PARABOLIC-HYPERBOLIC TYPE IN A MIXED PENTAGONAL DOMAIN WITH THREE LINES OF TYPE CHANGE, WHEN ONE OF THE CHARACTERISTICS OF THE FIRST-ORDER OPERATORS IS PARALLEL TO THE AXIS, AND THE OTHER HAS A SL

Mirza Mamajonov , Sanjarbek Mamajonov

116-133
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ON A BOUNDARY VALUE PROBLEM FOR A FOURTH ORDER EQUATION OF PARABOLIC-HYPERBOLIC TYPE IN A PENTAGONAL DOMAIN WITH THREE LINES OF CHANGE IN TYPE

Mirza Mamajonov , Hilolaxon Shermatova

134-147
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EXISTENCE OF QUASI-DOUBLE LINES OF THE PAIR OF FOUR DIMENSIONAL DISTRIBUTIONS IN PARTIAL MAPPING OF EUCLIDEAN SPACE

Гулбадан Matieva , Tolkun Papieva , Gulmira Shamshieva

148-153
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SYNTHESIS OF OPTIMAL BOUNDARY CONTROL WHEN MINIMIZING OF THERMAL PROCESSES

Gulnaz Mombekova

154-160
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STRUCTURAL ANALYSIS OF SOLUTIONS TO SINGULARLY PERTURBED EQUATIONS IN COMPLEX DOMAINS.

Nazgul Musakulova

161-170
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EXISTENCE OF QUASI-DOUBLE LINES OF THE PAIR OF THREE DIMENSIONAL DISTRIBUTIONS IN THE PARTIAL MAPPING OF SPACE Ε_6

Tolkun Papieva , Zhyldyz Artykova , Cholpon Mustapakulova

171-175
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PROBLEM WITH SHIFT FOR A MIXED-HYPERBOLIC EQUATION OF THE 4TH ORDER

Arzymat Satarov

176-182
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ON THE SOLVABILITY OF THE CAUCHY-BELLMAN PROBLEM FOR NONLINEAR OPTIMIZATION OF OSCILLATORY PROCESSES

Orozgul Tairova , Ayzhana Ermekbaeva

183-190
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OPTIMAL CONTROL PROBLEM FOR SINGULARLY PERTURBED DIFFERENTIAL EQUATIONS

Aybek Toktorbaev , Zhanara Toktomuratova

191-194
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INSTRUCTIONS AND RECOMMENDATIONS FOR THE PREPARATION OF ARTICLES IN LATEX FORMAT FOR SCIENTIFIC JOURNALS

Aybek Toktorbaev , Zhanara Toktomuratova

195-207
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INITIAL VALUE PROBLEM FOR A NONLINEAR FREDHOLM INTEGRO-DIFFERENTIAL EQUATION OF THIRD ORDER WITH A DEGENERATE KERNEL

Zhyldyz Artykova

208-218
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INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "CURRENT PROBLEMS OF MATHEMATICS, PHYSICS AND INFORMATION TECHNOLOGIES IN EDUCATION" (SEPTEMBER 26-27, 2024)

Kudaiberdi Kozhobekov , Aida Keldibekova

231-239
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TECHNICAL SCIENCE

INVESTIGATION OF THE LEVEL OF ASYMMETRY AT THE ENTERPRISES OF THE AGRO-INDUSTRIAL COMPLEX

Zarina Abdieva , Isman Osmonov , Husein Kasmambetov , Maksat Sadykov

219-224
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DEVELOPMENT OF AUTONOMOUS POWER SUPPLY TO RURAL CONSUMERS BASED ON RENEWABLE ELECTRICITY SOURCES

Zarina Abdieva , Isman Osmonov , Husein Kasmambetov , Maksat Sadykov , Kushtarbek Tampagarov

225-230
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