[ sulge aken ]

Elulookirjeldus (CV)
1.Eesnimi Uno
2.Perekonnanimi Hämarik
3.Töökoht Tartu Ülikool, rakendusmatemaatika instituut, diferentsiaal- ja integraalvõrrandite õppetool
4.Ametikoht dotsent
5.Sünniaeg 19.12.1955 (päev.kuu.aasta)
6.Haridus kõrgem, Tartu Ülikool (TÜ) 1973-1978, matemaatiku diplom 1978
aspirantuur, TÜ arvutusmatemaatika kateeder 1981-1984, füüs.-mat. kand. kraad 1986
7.Teenistuskäik 1978–1981 assistent TÜ arvutusmatemaatika kateedris,
1984–1993 nooremteadur, teadur, vanemteadur TÜ rakendusmatemaatika laboris,
1993–1995 vanemteadur TÜ rakendusmatemaatika instituudi diferentsiaal- ja integraal­võrrandite õppetoolis,
1995– dotsent TÜ rakendusmatemaatika instituudi diferentsiaal- ja integraal­võrran­dite õppetoolis.
(1988-2005 töötanud 11 korral 1-10 kuu vältel (kokku 30 kuud) Saksamaal ja Soomes stazööri, uurija ja külalisprofessorina)
8.Teaduskraad füüsika-matemaatikateaduste kandidaat
9.Teaduskraadi välja
andnud asutus, aasta		 NSVL TA Uraali Matemaatika ja Mehaanika Instituut, Sverdlovsk (Ekaterinburg), 1986
10.Tunnustused ELKNÜ teaduspreemia 1988, 4 kutset külalisprofessoriks Saksamaale (Kaiserslauterni, Zittau/Görlitzi ning Kieli ülikoolidesse)
11.Teadusorganisatsiooniline
ja –administratiivne
tegevus		 Eesti Teadusfondi grantide hoidja 1993-2005, rahvusvaheliste konverentside "Approximation Methods and Orthogonal Expansions" (1998, 2003), "7th International Conference MMA2002" (2002) ning "9th WSEAS International Conference on applied mathematics" (2006) orgkomitee liige. Eelretsenseerinud ajakirjade "SIAM J. Numerical Analysis", "SIAM J. Optimization and Control", "Inverse Problems", "Numerical Functional Analysis and Optimization", "BIT Numerical Mathematics", "Computing", "Известия вузов. Математика", "Mathematical Modelling and Analysis" ja "Eesti Teaduste Akadeemia Toimetised. Füüsika. Matemaatika" artikleid, Eesti Teadusfondi grandiprojekte. Eesti Matemaatika Seltsi liige (EMS kassiir 1988–1994).
12.Juhendamisel kaitstud
väitekirjad

Evelin Avi, MSc, 2004, juh. Uno Hämarik. Esimest liiki integraalvõrrandite lahendamine tuumafunktsioone baasina kasutava kollokatsioonimeetodiga. Tartu
13.Teadustöö põhisuunad mittekorrektsed ülesanded
14.Jooksvad grandid ETF grant nr. 5785 (2004-2007) "Regularisatsiooniparameetri valikureeglid mittekorrektsete ülesannete lahendamisel"
15.Teaduspublikatsioonid

Hämarik U., Raus T. Choice of the regularization parameter in ill-posed problems with rough estimate of the noise level of data. In: Proceedings of the 7th WSEAS International Conference on Applied Mathematics, Cancun, Mexico, May 11-14, 2005 (ed. M.L.Morales, N.Mastorakis, K.Passadis), WSEAS 2005, pp. 60-65.

Hämarik U., Raus T. Choice of the regularization parameter in ill-posed problems with rough estimate of the noise level of data. WSEAS Transactions on Mathematics, 2005, 4, 2, 76-81.

Hämarik U., Raus T. On the choice of the regularization parameter in the case of the approximately given noise level of data. In: 5th International Conference on Inverse Problems in Engineering: Theory and Practice, Cambridge, UK, 11-15th July, 2005 (ed. D. Lesnic), vol. II, H01, pp. 1-10, Leeds University Press, Leeds, 2005

Hämarik U., Raus T. On the choice of the regularization parameter for solving self-adjoint ill-posed problems with the approximately given noise level of data. Proc. Estonian Acad. Sci. Phys. Math., 2004, 53, 2, 77-83.

Hämarik U., Raus T. On the regularization parameter choice in case of approximately given error bounds of data. In: M. Feistauer, V. Dolej¨i, P. Knobloch, K. Najzar (Eds), Numerical Mathematics and Advanced Applications, Proceedings of ENUMATH2003 the 5th European Conference on Numerical Mathematics and Advanced Applications, Prague, August 2003, pp. 400-409, Springer, Berlin-Heidelberg-New York, 2004.

Hämarik U., Tautenhahn U. On the monotone error rule for choosing the regularization parameter in ill-posed problems. In: Proc. of the International Conference, Samarkand, Uzbekistan 2000, Ill-Posed and Non-Classical Problems of Mathematical Physics and Analysis, M. M. Lavrentiev, S. I. Kabanikhin (Eds.), VSP, Utrecht-Boston, 2003, 27-55.

Hämarik U., Avi E., Ganina A. On the solution of ill-posed problems by projection methods with a posteriori choice of the discretization level. Math. Model. Anal., 7, 2, 2002, 241-252.

Hämarik U., Raus T. On the choice of the stopping index in iteration methods for solving problems with noisy data. In: HERCMA 2001. Proceedings of the Fifth Hellenic-European Conference on Computer Mathematics and its Applications, Athens, Sept. 20-22, 2001, ed. E.A. Lipitakis, vol. 2, LEA Publishers, Athens, 2002, 524-529.

Hämarik U., Tautenhahn U. On the monotone error rule for parameter choice in iterative and continuous regularization methods. BIT Numerical Mathematics, 2001, 41, 5, 1029-1038.

Hämarik U., Tautenhahn U., The monotone error rule for parameter choice in regularization methods, ENUMATH 99; Proceedings of the 3rd European Conference on Numerical Mathematics and Advanced Appl. Jyväskylä, Finland, July 26-30, 1999 (ed. by P. Neittaanmäki, T. Tiihonen and P. Tarvainen), World Scientific, Singapore, 2000, 518-525.

Hämarik U. Monotonicity of error and choice of the stopping index in iterative regularization methods. In: Differential and Integral Equations: Theory and Numerical Analysis (ed. A. Pedas), Estonian Mathematical Society, Tartu, 1999, 15-30.

Hämarik U., Raus T. On the a posteriori parameter choice in regularization methods. Proc. Estonian Acad. Sci. Phys. Math., 1999, 48, 2, 133-145.

Tautenhahn U., Hämarik U. The use of monotonicity for choosing the regularization parameter in ill-posed problems. Inverse Problems, 1999, 15, 6, 1487-1505.

Plato R., Hämarik U. On pseudo-optimal parameter choices and stopping rules for regularization methods in Banach spaces. Numer. Funct. Anal. and Optimiz., 1996, 17, 1 & 2, 181-195.

Hämarik U. On the parameter choice in the regularized Ritz-Galerkin method. Proc. Estonian Acad. Sc., phys.-math., 1993, 42, 2, 133-143.

Hämarik U. On the discretization error in regularized projection methods with parameter choice by discrepancy principle. In: Ill-posed problems in natural sciences (ed. A.N. Tikhonov). Utrecht: VSP / Moscow:TVP, 1992, 24-29

Hämarik U. On the discretization error in the regularized Ritz-Galerkin method for solving ill-posed problems. In: Numerical methods and optimization, v. 3, Tallinn, 1992, 12-21.

Hämarik U. Quasioptimal error estimate for the regularized Ritz-Galerkin method with the a-posteriori choice of the parameter. Acta et Comment. Univ. Tartuensis, 1992, 937, 63-76.

Hämarik U. About self-regularization by solving ill-posed problems by projection methods. Acta et Comment. Univ. Tartuensis, 1990, 913, 65-72.

Hämarik U. On self-regularization by solving of ill-posed problems by projection methods. Acta et Comment. Univ. Tartuensis, 1988, 833, 91-96 (in Russian).

Vainikko G., Hämarik U. Self-regularization solving ill-posed problems by projection methods. In: Models and methods of operational research. Novosibirsk, Nauka, 1988, 157-164 (in Russian).

Vainikko G.M., Khyamarik U.A. Projection methods and self-regularization in ill-posed problems. Izvestiya Vysshikh Uchebnykh Zavedenii Matematika 1985, 10, 3-17 (in Russian).

Vainikko G.M., Khyamarik U.A. Projection methods and self-regularization in ill-posed problems. Soviet Mathematics, 1985, 29, 10, 1-20.

Hämarik U. Regularized projection methods for ill-posed problems. Proc. Estonian Acad. Sc., phys.-math., 1984, 33, 3, 266-276 (in Russian).

Hämarik U. The discrepancy principle for choice of dimension solving ill-posed problems by projection methods. Acta et Comment. Univ. Tartuensis, 1984, 672, 27-34 (in Russian).

Hämarik U. Projection methods for the regularization of linear ill-posed problems. In: Theory and methods for solving ill-posed problems and their applications. Novosibirsk, 1983, 79-81 (in Russian).

Hämarik U. Projection methods for the regularization of linear ill-posed problems. Proc. comp. center of Tartu Univ., 1983, 50, 69-90 (in Russian).

viimati muudetud: 05.10.2005

Curriculum Vitae (CV)
1.First Name Uno
2.Surname Hämarik
3.Institution University of Tartu, Institute of Applied Mathematics, Chair of the Differential and Integral Equations
4.Position docent
5.Date of birth 19.12.1955 (day.month.year)
6.Education Higher, University of Tartu (UT) 1973-1978, diploma of mathematician 1978
post-graduate studies at chair of computational mathematics of UT, 1981-1984, cand. phys.-math. 1986
7.Research and
professional experience		 1978-1981 Assistant Prof., Chair of Computational Mathematics, UT
1984-1993 researcher and senior researcher, Lab. of Applied Mathematics, UT
1993-1995 senior researcher, Institute of Applied Mathematics, UT
1995- docent, Institute of Applied Mathematics, UT
(1988-2005 worked 11 times during 1-10 month (all together 30 month) in Germany and in Finland as researcher and guest professor)
8.Academic degree candidate of physical-mathematical sciences
9.Dates and sites of
earning the degrees		 Ural Institute of Mathematics and Mechanics, Sverdlovsk (Ekaterinburg), 1986
10.Honours/awards Science award for Estonian Youth 1988, 4 invitations for guest professor in Germany (to universities in Kaiserslautern, Zittau/Görlitz and Kiel)
11.Research-administrative
experience		 Principal investigator of grants of the Estonian Science Foundation 1993-2005. Member of the Organ. Committee of international conferences "Approximation Methods and Orthogonal Expansions" (1998, 2003), "7th International Conference MMA2002" (2002) and "9th WSEAS International Conference on applied mathematics" (2006). Referee for articles in journals "SIAM J. Numerical Analysis", "SIAM J. Optimization and Control", "Inverse Problems", "Numerical Functional Analysis and Optimization", "BIT Numerical Mathematics", "Computing", "Известия вузов. Математика", "Mathematical Modelling and Analysis", "Proc. Estonian Acad. Sciences.Phys.-Math." and for grants of the Estonian Science Foundation. Member of the Estonian Mathematical Society.
12.Supervised dissertations

Evelin Avi, MSc, 2004, superv. Uno Hämarik. Esimest liiki integraalvõrrandite lahendamine tuumafunktsioone baasina kasutava kollokatsioonimeetodiga. Tartu
13.Current research program ill-posed problems
14.Current grant funding Grant No. 5785 (2004-2007) "Rules for choice of the regularization parameter by solving ill-posed problems"
15.List of most important publications

Hämarik U., Raus T. Choice of the regularization parameter in ill-posed problems with rough estimate of the noise level of data. In: Proceedings of the 7th WSEAS International Conference on Applied Mathematics, Cancun, Mexico, May 11-14, 2005 (ed. M.L.Morales, N.Mastorakis, K.Passadis), WSEAS 2005, pp. 60-65.

Hämarik U., Raus T. Choice of the regularization parameter in ill-posed problems with rough estimate of the noise level of data. WSEAS Transactions on Mathematics, 2005, 4, 2, 76-81.

Hämarik U., Raus T. On the choice of the regularization parameter in the case of the approximately given noise level of data. In: 5th International Conference on Inverse Problems in Engineering: Theory and Practice, Cambridge, UK, 11-15th July, 2005 (ed. D. Lesnic), vol. II, H01, pp. 1-10, Leeds University Press, Leeds, 2005

Hämarik U., Raus T. On the choice of the regularization parameter for solving self-adjoint ill-posed problems with the approximately given noise level of data. Proc. Estonian Acad. Sci. Phys. Math., 2004, 53, 2, 77-83.

Hämarik U., Raus T. On the regularization parameter choice in case of approximately given error bounds of data. In: M. Feistauer, V. Dolej¨i, P. Knobloch, K. Najzar (Eds), Numerical Mathematics and Advanced Applications, Proceedings of ENUMATH2003 the 5th European Conference on Numerical Mathematics and Advanced Applications, Prague, August 2003, pp. 400-409, Springer, Berlin-Heidelberg-New York, 2004.

Hämarik U., Tautenhahn U. On the monotone error rule for choosing the regularization parameter in ill-posed problems. In: Proc. of the International Conference, Samarkand, Uzbekistan 2000, Ill-Posed and Non-Classical Problems of Mathematical Physics and Analysis, M. M. Lavrentiev, S. I. Kabanikhin (Eds.), VSP, Utrecht-Boston, 2003, 27-55.

Hämarik U., Avi E., Ganina A. On the solution of ill-posed problems by projection methods with a posteriori choice of the discretization level. Math. Model. Anal., 7, 2, 2002, 241-252.

Hämarik U., Raus T. On the choice of the stopping index in iteration methods for solving problems with noisy data. In: HERCMA 2001. Proceedings of the Fifth Hellenic-European Conference on Computer Mathematics and its Applications, Athens, Sept. 20-22, 2001, ed. E.A. Lipitakis, vol. 2, LEA Publishers, Athens, 2002, 524-529.

Hämarik U., Tautenhahn U. On the monotone error rule for parameter choice in iterative and continuous regularization methods. BIT Numerical Mathematics, 2001, 41, 5, 1029-1038.

Hämarik U., Tautenhahn U., The monotone error rule for parameter choice in regularization methods, ENUMATH 99; Proceedings of the 3rd European Conference on Numerical Mathematics and Advanced Appl. Jyväskylä, Finland, July 26-30, 1999 (ed. by P. Neittaanmäki, T. Tiihonen and P. Tarvainen), World Scientific, Singapore, 2000, 518-525.

Hämarik U. Monotonicity of error and choice of the stopping index in iterative regularization methods. In: Differential and Integral Equations: Theory and Numerical Analysis (ed. A. Pedas), Estonian Mathematical Society, Tartu, 1999, 15-30.

Hämarik U., Raus T. On the a posteriori parameter choice in regularization methods. Proc. Estonian Acad. Sci. Phys. Math., 1999, 48, 2, 133-145.

Tautenhahn U., Hämarik U. The use of monotonicity for choosing the regularization parameter in ill-posed problems. Inverse Problems, 1999, 15, 6, 1487-1505.

Plato R., Hämarik U. On pseudo-optimal parameter choices and stopping rules for regularization methods in Banach spaces. Numer. Funct. Anal. and Optimiz., 1996, 17, 1 & 2, 181-195.

Hämarik U. On the parameter choice in the regularized Ritz-Galerkin method. Proc. Estonian Acad. Sc., phys.-math., 1993, 42, 2, 133-143.

Hämarik U. On the discretization error in regularized projection methods with parameter choice by discrepancy principle. In: Ill-posed problems in natural sciences (ed. A.N. Tikhonov). Utrecht: VSP / Moscow:TVP, 1992, 24-29

Hämarik U. On the discretization error in the regularized Ritz-Galerkin method for solving ill-posed problems. In: Numerical methods and optimization, v. 3, Tallinn, 1992, 12-21.

Hämarik U. Quasioptimal error estimate for the regularized Ritz-Galerkin method with the a-posteriori choice of the parameter. Acta et Comment. Univ. Tartuensis, 1992, 937, 63-76.

Hämarik U. About self-regularization by solving ill-posed problems by projection methods. Acta et Comment. Univ. Tartuensis, 1990, 913, 65-72.

Hämarik U. On self-regularization by solving of ill-posed problems by projection methods. Acta et Comment. Univ. Tartuensis, 1988, 833, 91-96 (in Russian).

Vainikko G., Hämarik U. Self-regularization solving ill-posed problems by projection methods. In: Models and methods of operational research. Novosibirsk, Nauka, 1988, 157-164 (in Russian).

Vainikko G.M., Khyamarik U.A. Projection methods and self-regularization in ill-posed problems. Izvestiya Vysshikh Uchebnykh Zavedenii Matematika 1985, 10, 3-17 (in Russian).

Vainikko G.M., Khyamarik U.A. Projection methods and self-regularization in ill-posed problems. Soviet Mathematics, 1985, 29, 10, 1-20.

Hämarik U. Regularized projection methods for ill-posed problems. Proc. Estonian Acad. Sc., phys.-math., 1984, 33, 3, 266-276 (in Russian).

Hämarik U. The discrepancy principle for choice of dimension solving ill-posed problems by projection methods. Acta et Comment. Univ. Tartuensis, 1984, 672, 27-34 (in Russian).

Hämarik U. Projection methods for the regularization of linear ill-posed problems. In: Theory and methods for solving ill-posed problems and their applications. Novosibirsk, 1983, 79-81 (in Russian).

Hämarik U. Projection methods for the regularization of linear ill-posed problems. Proc. comp. center of Tartu Univ., 1983, 50, 69-90 (in Russian).

last updated: 05.10.2005

[ sulge aken ]