Bulletin of National University of Uzbekistan: Mathematics and Natural Sciences
Recent Content
Nonlocal boundary value problem for a system of mixed type equations with a line of degeneration
Kudratillo Fayazov and Ikrombek Khajiev
Nonlocal problems for a fractional order mixed parabolic equation
Azizbek Mamanazarov
Some properties of A(z)-subharmonic functions
Shohruh Khursanov
The ψ-harmonic measure and its properties
Nurbek Narzillaev and Kobiljon Kuldoshev
Behavior and dynamics of the set of absolute nilpotent and idempotent elements of chain of evolution algebras depending on the time
Anvar Imomkulov
The Fokas' unified transformation method for Airy equation on simple open star graph
Zarifboy Sobirov and Mardonbek Eshimbetov
Complex diffusion Monte-Carlo method: test by the simulation of the 2D fermions
Bakhodir Abdullaev, Mirzayousuf Musakhanov, and Atsushi Nakamura
Analytic approach to ground state energy of charged anyon gas in strong magnetic field
Bakhodir Abdullaev, Ulrich Rössler, Chul-Hong Park, and M. Musakhanov
Intermolecular dynamics of condensed state: study of temperature effect on anisotropy relaxation by vibration spectroscopy
Bakhodir Eshchanov, Shavkat Otajonov, Jurat Gayipov, Dilafruz Xudoyberdiyeva, and Sarvarbek Qurbanbayev
Distribution of root-knot nematodes on agricultural plants, harm and their host plants
Shoira Saidova, Holisa Eshova, Guzal Mirzaliyeva, and Sayora Sadikova
Thermodynamics of complexation and membrane activity of crown ethers
Ulugbek Mirkhodjaev, Oleg Yarishkin, Umida Sharafutdinova, Uktam Toyirov, Nafisa Atamuratova, Anisa Tashmukhamedova, and Bekdjan Tashmukhamedov
Differentiation of membrane active crown ethers on the multilamellar layers
Ulugbek Mirkhodjaev, Oleg Yarishkin, Umida Sharafutdinova, Uktam Toyirov, Nafisa Atamuratova, Anisa Tashmukhamedova, and Bekdjan Tashmukhamedov
Self-aggregation of C60 particles in a volume of evaporating droplets on a flat surface
Urol Makhmanov, Abdulmutallib Kokhkharov, Sagdilla Bakhramov, and Donats Erts
Physico-chemical and adsorption properties of activated adsorbents obtained on the basis of wood stems
Rakhimjon Paygamov, Izzat Eshmetov, Shakhnoza Kuldasheva, Hamdam Akbarov, and Feruza Jurayeva
To the education of operational thinking in the higher mathematics courses of the higher technical school
Valentin Zharov and Arslan Mardanov
On the solvability of hypersingular equation of peridynamics
Shavkat Alimov and Shukhrat Sheraliev
Generalized metric spaces and hyperspaces
Ruzinazar Beshimov and Dilnora Safarova
Damped oscillatory integrals and Weierstrass polynomials
Azimbay Sadullaev, Isroil Ikromov, and Shaxriddin Muranov
Restoring the function set by integrals for the family of parabolas on the plane
Akram Begmatov and Alisher Ismoilov
Geometric properties of A-harmonic functions
Shokhrukh Khursanov
The method of potentials for the Airy equation of fractional order
Kamoliddin Rakhimov
The entrance times for circle maps with a break
Akhtam Dzhalilov and Javlon Karimov
On the new nonlinear properties of the nonlinear heat conductivity problem in nondivergence form
Mersaid Aripov and Maftuha Sayfullayeva
The symmetric form of a poroelasticity system in terms of velocities, stresses and pressure
Sayyora Tuychieva
Test statistics based on independence processes
Leyla Kakadjanova
Fractional differentiation of the Grunwald-Letnikov-Hadamard type and the difference of the fractional order with a multiplicative step
Mahmadiyor Yakhshiboev
On the application of multidimensional logarithmic residue to systems of non-algebraic equations
Barlikbay Prenov
Photocatalytic performance of V2O5 nanoparticles incorporated TiO2 nanotubes as a visible-light active photoelectrodefor water splitting
Ulugbek Shaislamov, Kamil Mukimov, and Turgunali Akhmadjanov
Death line for radio pulsars in braneworlds
Djavlanbek Rayimbaev, Satimbay Palvanov, Maksud Umaraliyev, and Malika Khudoyberdiyeva
Fixing mobile desert sands: definition of water resistance, mechanical strength and mechanism of fixing
Shakhnoza Kuldasheva, I. L. Ahmadjonov, N. Z. Adizova, I. D. Eshmetov, and Kh. I. Akbarov
Sequential estimation by intervals of a fixed width of the asymptotic variance of rank estimates of the shift parameter
Gulnoza Rakhimova
Change in the physical and chemical properties of oil-contaminated soil in the steppe zone
Zafarjon Jabbarov, Tokhtasin Abdrakhmanov, Shavkat Akhmedov, Urol Nomozov, and Muqaddas Abdurahmonova
On the asymptotic behavior of branching processes with stationary immigration
Yakubjan Khusanbaev and Sadulla Sharipov
On negative eigenvalues of the discrete Schrödinger operator with non-local potential
Zahriddin Muminov and Shukhrat Lakaev
On the number of the discrete spectrum of two-particle discrete Schröodinger operators
Zahriddin Muminov, Utkir Kuljanov, and Shukhrat Alladustov
Choosing the structure of convolutional neural networks for face recognition
Kabul Khudaybergenov
Jump theorems for the Bochner-Martinelli integral in domains with a piecewise smooth boundary
Alexander Kytmanov, Davlatbay Dzhumabaev, Bayrambay Utemuratov, and Barlikbay Prenov
The effect of prebiotics on intestinal digestion of carbohydrates in lead intoxicated rats
Lubov S. Kuchkarova, Irodakhon I. Karimova, Gulchekhra T. Kudeshova, and Khasan Yu. Kayumov
A theoretical study an influence of oxygen group elements to rotational barrier of 2-(2'-pyridyl)-1,3,4-oxa(thia, selena and tellura) diazoles
Alisher Eshimbetov, Khamza Toshov, Inderpreet Kaur, and Alisher Khaitboev
Investigation of isomer ratios in the reactions (γ, n) and (n, 2n) on nuclei 76Ge and 82Se
Satimbay Palvanov and Turgunali Akhmadzhanov
Research of parabolic surface points in Galilean space
Abdullaaziz Artykbaev and Bekzod Sultanov
2-local derivations on Virasoro algebras
Shavkat Ayupov and Bakhtiyor Yusupov
Ganikhodjaev's conjecture on mean ergodicity of quadratic stochastic operators
Mansoor Saburov and Khikmat Saburov
Physico-chemical properties new nitrogen- and phosphorus containing ion exchange resine on the base of polyvinylchloride
Davron Bekchanov, Mukhtar Mukhamediev, and Dilfuza Gafurova
Strain effect on the electronic transport properties of carbyne
Gofur Eshonqulov, Golibjon Berdiyorov, and Hicham Hamoudi
Bordering conditions determination for nanocomposites special properties
Tokhir Rakhimov, Muhtor Mukhamediev, and Dilfuza Gafurova
Asymptotics of solutions and numerical simulation of the nonlinear heat conductivity problem with absorption and variable density
Mersaid Aripov and Askar Mukimov
Sarymsakov cubic stochastic matrices
Mansoor Saburov and Khikmat Saburov
Oscillatory integrals and Weierstrass polynomials
Azimbay Sadullaev and Isroil Ikromov
Test particle motion around brany black hole immersed in an external asymptotically uniform magnetic field
Djavlanbek Rayimbaev, Azamjon Rakhmatov, Satimbay Palvanov, and Ahror Mamadjanov
Periodic table of elements, Mendeleev's periodic table: history, achievements and problems
Boris Oksengendler, Kamil Mukimov, Renat Letfullin, Nigora Turaeva, Gulmurza Abdurakhmanov, and Shavkat Yuldashev
Convergence analysis of feedforward neural networks with backpropagation
Avazjon Marakhimov and Kabul Khudaybergenov
On the continuation of the Hartogs series with holomorphic coefficients
Takhir Tuychiev and Jurabay Tishabaev
Solvable Leibniz superalgebras whose nilradical is a Lie superalgebra of maximal nilindex
Abror Khudoyberdiyev, Manuel Ladra, and Khosiat Muratova
The waiting time and dynamic partitions
Akhtam Dzhalilov and Mukhriddin Khomidov
Topological properties of hyperspaces
Ruzinazar Beshimov and Dilnora Safarova
On a control problem associated with fast heating of a thin rod
Shavkat Alimov and Farrukh Dekhkonov
Electron exchange between impurity centers of tin in PbS and PbSe
S. Zaynabiddinov and K. Bobokhujaev
Analysis of clusterization of C70 molecules in benzene solutions prepared by various methods
U. Makhmanov, O. Ismailova, A. Kokhkharov, and S. Bakhramov
Ill-posed boundary value problem for operator-differential equation of fourth order
Kudratillo Fayazov, Ikrom Khajiev, and Z. Fayazova
Electronic specific-heat anomalies in high-Tc cuprates
S. Dzhumanov, E. Karimboev, and B. Yavidov
Translation-invariant Gibbs measures of a model on Cayley tree
Golibjon Botirov
The extent of destruction of landscapes in the Tashkent region
Shavkat Sharipov, Kamoliddin Khakimov, and Davronbek Boymurodov
The optimal risk of estimator of conditional distribution function in a model of heteroscedastic regression with weakly dependent observations
Farkhad Abdikalikov and Laura Reymova
Amidoalkylation of aromatic compounds
Mukhabbat Yuldasheva, Khurshida Turaeva, and Tursunali Kholiqov
Thermal evolution modification due to radio-wave production inside rotating magnetized NS
Pulat Tadjimuratov
Formation of the database in the history of development of geodesy and cartography science (an example of Medieval East)
Eshkobul Safarov, Sunnatilla Uvrayimov, and Kuatbay Bekanov
Variability, inheritance of fiber length in 4-5 specific and backcross hybrids, tolerance of cotton hybrids to bollworm in depending of the level of gossypol
Sayfulla Boboyev, Fakhriddin Kushanov, Ikrom Amanturdiev, and Gulnoza Akhmedjanova
Ecological-taxonomical analysis of collembolans of the northeast of Uzbekistan
Matnazar Rakhimov, Zulkhumor Elmuratova, and Dilfuza Majidova
Extraction conductometric determination of scandium and thorium in kaolins
Nigora Kutlimurotova, Zulayho Smanova, Habibulla Tojimuhamedov, Zuhra Yaxshiyeva, and Jasur Tursunqulov
Neuro-fuzzy identification of nonlinear dependencies
Avazjon Marakhimov and Kabul Khudaybergenov
Some cardinal and topological properties of the n-permutation degree of a topological spaces and locally τ-density of hyperspaces
Farkhod Mukhamadiev
Carleman's formula for the matrix upper half-plane
Gulmirza Khudayberganov and Zokirbek Matyakubov
On the manifolds of positive curvature
Jasurbek Aslonov
Using an a priori estimate for constructing difference schemes for quasi-linear hyperbolic systems
Rakhmatillo Aloev and Mirzoali Khudayberganov