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    • Inverse Spectral Problems and Related Topics


    Minisymposium dedicated to the 70th anniversary of an outstanding expert in differential operators and spectral problems, Professor Muhtarbay Otelbaev.

    Organizers:

    Shafkat Alimov, National University of Uzbekistan, Tashkent, Uzbekistan
    shavkat_alimov@hotmail.com 

    Tynysbek Kal'menov, M. O. Auezov South Kazakhstan State University, Kazakhstan
    Kalmenov.t@mail.ru

    Yaudat Sultanaev, Bashkir State University, Russia
    Sultanaevyt@bsu.bashedu.ru

    Description:

    This minisymposium will be devoted to recent advances in the inverse spectral problems and related topics. The minisymposium aims to provide an international basis to exchange the latest research achievements in inverse spectral problems and their applications.

    Speakers:

    Tuesday 22th May, 2012

    1. 10:00-10:30 Kairat Mynbaev*, **Mukhtarbay Otelbaev, A refreshing encounter of the spectral theory, differential equations and theory of functions, *Kazakh-British Technical University, Almaty; ** L.N. Gumilyov Eurasian National University, Astana, Kazakhstan         

    2. 10:30-11:00 Shavkat Alimov, On regularization of Dirichlet problem for wave equation, National University of Uzbekistan, Tashkent, Uzbekistan

    3.11:00-11:30 Tynysbek Kal'menov,Integral presentation of regular boundary conditions for the Laplace equation, Institute of Mathematics, Informatics and Mechanics, Almaty, Kazakhstan

    Cofee Break 11.30-11.50

    4. 11:50-12:15 Ryskul Oinarov, On the lower spectrum of a perturbed periodic Sturm-Liouville operator, L.N. Gumilyov Eurasian National University, Astana, Kazakhstan

    5. 12:15-12:40 Yaudat Sultanaev*, Nazim Sadik**, On the function of M. Otelbaev and its applications in the spectral theory of Sturm – Lionville operator,*Bashkir State University, Ufa, Bashkortostan, Russia; **Istanbul University, Istanbul, Turkey    

    6. 12:40-13:00 Nurzhan Bokayev, An approximation of functions of several variables of bounded p-fluctuation by polynomials with respect to Haar system, L.N. Gumilyov Eurasian National University, Astana, Kazakhstan

    7. 13:00-13:20 Kuanysh Bekmaganbetov, Erzhan Orazgaliev, Embedding theorems for Nikol'skii-Besov type spaces, Kazakh Branch of Moscow State University, Astana, Kazakhstan

    Lunch 13.20–15.00

    8. 15:00-15:25 Aydın Tiryaki, Oscillation criteria for certain second order superlinear differenatial equations, Izmir University, Izmir, Turkey 

    9. 15:25-15:50  Ağacık Zafer, Stability criteria for discrete Hamiltonian systems, Middle East Technical University, Ankara, Turkey

    10. 15:50 -16:10 Leili Kusainova,On the oscillation properties of general differential equations, L.N. Gumilyov Eurasian National University, Astana, Kazakhstan

    11. 16:10-16:30 B. Rysbaiuly, A. Bekarystankyzy, Inverse coefficient problem related to predicting the effects of weather and seasons in underground pipline, Kazakh-British Technical University, Almaty, Kazakhstan     

    Cofee Break 16.30-16.50

    12. 16:50-17:15 Yerlan Nursultanov, On the boundedness of singular operators in the  network  spaces, Kazakh Branch of Moscow State University, L.N. Gumilyov Eurasian National University, Astana, Kazakhstan

    13. 17:15-17:40 Allaberen Ashyralyev, Well-posedness of elliptic differential and difference equations , Fatih University, Istanbul, Turkey 

    14. 17:40-18:00  Kordan Ospanov, The separation of 3rd order degenerate differential operator, L.N. Gumilyov Eurasian National University, Astana, Kazakhstan

    15. 12:15-12:40 Alip Mohammed, Spectrum problems for certain elliptic equations, Petroleum Institute, Abu Dhabi, UAE

    16. 18:20-18:40 Rakib Efendiev, Spectral analysis of time dependent spectral problem, Institute of Applied Mathematics, Baku State University, Azerbaijan

    17. 18:40-19:00 B.R.Ismailov, Kh.B.Ismailov, An approximate solution of the equation of gas flow over multistage channels of heat and mass transfer apparatuses, M.O. Auezov South Kazakhstan State University, Shymkent, Kazakhstan

    Friday 25th May, 2012

    18. 09:30-09:55 Yesmukhanbet Smailov,Inequality of different metrics in spaces of Lorentz for polynomials in generalorthogonal systems and embedding theorems, Institute of Applied Mathematics, Karaganda, Kazakhstan

    19. 09:55-10:20 Nazerke Tleukhanova, Recovery opreator  of periodic functions  from  the spaces H^alpha_p, W^alpha_p and E^alpha, L.N. Gumilyov Eurasian National University, Astana, Kazakhstan 

    20. 10:20-10:45 Balgaysha Mukanova, Necessary minimality conditions and Fourier method for numerical solution of linear inverse problems, Al-Farabi Kazakh National University, Almaty, Kazakhstan

    21. 10:45-11:10 Makhmud Sadybekov, An analogues of periodic boundary problems for the Laplace operator in a ball, Institute of Mathematics, Informatics and Mechanics, Almaty, Kazakhstan

    22. 11:10-11:30 Zurakan Kadenova, Identification in Nonlinear Differential Equations, Kyrgyz-Turkish Manas University, Osh, Kyrgyz

    Cofee Break 11.30-11.50

    23. 18:00-18:20 Baltabek Kanguzhin, Restoration of boundary conditions by spectral data, Al-Farabi Kazakh National University, Almaty, Kazakhstan

    24. 11:50-12:15 Abilmajin Adamov, Inverse problem of determining the capilliary diffusion coefficients of Gardner’s soil, L.N. Gumilyov Eurasian National University, Astana, Kazakhstan

    25. 12:40-13:00 Anar Rahimov, On numerical method of solution to an inverse problem for a parabolic equation, Institute of Cybernetics of ANAS, Baku, Azerbaijan                                                                                                                                                                                                                                                                 

    26. 13:00-13:20 Musakan Muratbekov, On the spectrum of one class of the hiperbolic type differentjal operators, Taraz Pedagogical Institut, Taraz, Kazakhstan

    Lunch 13.20–15.00

    27. 15:00-15:25 T.R. Amanbaev*, G.Tylleuov**,  Modeling of sedimentation process of dispersed suspensions based on differential equations of mechanics of multiphase media, *Institute of Mathematics, Informatics and Mechanics, Almaty; **South Kazakh State University, Shymkent, Kazakhstan

    28. 15:25-15:50  Maxat Kalimoldayev*, S.A. Aysagaliyev*, M.N. Kalimoldayev**, A refreshing encounter of the spectral theory, differential equations and theory of functions, *Al-Farabi Kazakh National University; **Institute of Informatics and Control Problems, Almaty, Kazakhstan

    29. 15:50-16:10 Abdizhahan Sarsenbi,  On Riesz basis property criterion in L2, Institute of Mathematics, Informatics and Mechanics, Almaty, Kazakhstan

    30. 16:10-16:30 Zaure Rakisheva, Controllability of a satellite rotation  motion, Al-Farabi Kazakh National University, Almaty, Kazakhstan

    Cofee Break 16.30-16.50

    31. 16:50-17:15 D. B. Bazarkhanov,  Approximate recovery of pseudo-differential operators on classes of functions of several variables,  Institute of Mathematics, Informatics and Mechanics, Almaty, Kazakhstan

    32. 17:40-18:00  S.A.Aisagalyev, Zh.Kh.Zhunussova, Immersion principle for boundary problem of the differential equations, Al-Farabi Kazakh National University, Kazakhstan

    33. 18:00-18:15  Durvudkhan Suragan, Asymptotics of the spectrum capacity of Newton in boundary areas, Institute of Mathematics, Informatics and Mechanics, Almaty, Kazakhstan

    34. 18:15-18:30  Natalia Yaparova, An accuracy estimation for finite-dimensional approximations of regularized solutions, South Ural State University, Chelyabinsk, Russia