VILNIAUS UNIVERSITETAS MATEMATIKOS IR INFORMATIKOS FAKULTETAS VILNIUSUNIVERSITY FACULTY OF MATHEMATICS AND INFORMATICS Research and Publications Report 2008 Naugarduko 24, 03225 Vilnius, Lithuania Editor: V. Mackevi·cius °c VU Matematikos ir informatikos fakultetas, 2009 CONTENTS Faculty of Mathematics and Informatics ............................ 5 Department of Mathematical analysis ............................ 5 Department of Di®erential equations and numerical analysis ... 7 Department of Probability theory and number theory .......... 8 Department of Mathematical statistics .......................... 10 Department of Computer science ................................. 11 Department of Didactics of mathematics ........................ 12 Department of Computer science II .............................. 13 Department of Software engineering ............................. 15 Department of Econometric analysis ............................. 16 Department of Mathematical computer science ................. 18 Habilitation procedures .............................................. 19 Doctoral theses ....................................................... 19 Publications ........................................................... 20 Monographs ....................................................... 20 Articles: Journals with ISI SC Index ............................. 20 Articles: International reviewed journals and ISI proceedings .. 24 Articles: Lithuanian licensed journals and proceedings ......... 27 Articles: Other journals and proceedings ........................ 30 Preprints and Technical Reports ................................. 31 Conference reports in 2008 ....................................... 33 XLIX Conference of Lithuanian Mathematical Society .......... 33 Other conference reports .......................................... 35 Books, textbooks, lecture notes ...................................... 40 Other publications (in Lithuanian) .................................. 41 Other lectures and reports ........................................... 43 Scienti¯c contacts ..................................................... 44 Participation in international projects ........................... 44 Visits by sta® ...................................................... 47 Grants, awards ........................................................ 50 Name index ........................................................... 51 FACULTY OF MATHEMATICS AND INFORMATICS http://www.mif.vu.lt Dean Prof. Feliksas Ivanauskas tel. (370{5) 219 30 50, fax. (370{5) 215 15 85 [email protected] Since 01 09 2008 Dean Prof. Gediminas Stepanauskas tel. (370{5) 219 30 50 [email protected] DEPARTMENT OF MATHEMATICAL ANALYSIS¤ http://www.mif.vu.lt/katedros/mak/en Head Prof. Vygantas Paulauskas tel. (370{5) 219 30 83 [email protected] Traditionally, the department gives courses in mathematical analysis (calculus) and related subjects. In recent years the department, as respon- sible for bachelor and master programs in actuarial and ¯nancial math- ematics, became more oriented towards applications and is o®ering main courses in actuarial and ¯nancial mathematics. The research areas of the department include heavy tailed distributions, time series, econometric and actuarial models, stochastic analysis. G. Bak·stys. Actuarial mathematics. [email protected] P. Banys. Doctoral student: limit theorems for random ¯elds. [email protected] E. Bieliauskien_e. Doctoral student: actuarial mathematics. [email protected] R. Ivanovait_e. Doctoral student: actuarial mathematics. [email protected] A. Juozulynas. Limit theorems for stable laws: convergence rates and asymptotic expansions. [email protected] J. Ko·cetova. Doctoral student: actuarial mathematics. [email protected] ¤The departments are listed in the order of foundation. 5 A. Lenk·sas. Numerical solution of SDEs. [email protected] K. Liubinskas. Convergence rates in limit theorems of probability theory. [email protected] V. Mackevi·cius. Stochastic analysis. Stochastic numerics. [email protected], http://www.mif.vu.lt/ e vigirdas M. Manstavi·cius. Levy processes; path properties of random processes. [email protected] E. Misevi·cius. Mathematical analysis. [email protected] V. Paulauskas. Approximations of multidimensional stable laws. Autore- gressive models. Random ¯elds. Tail index estimation. [email protected] A. Plikusas. Sampling in o±cial statistics. Regression ratio estimators. [email protected] A. Sku·cait_e. Actuarial mathematics. Stochastic modeling of insurance processes. [email protected] D. Surgailis. Long memory. Fractional integration. Self-similar processes. Financial mathematics. [email protected] R. Zov_e. Doctoral student: Autoregressive random ¯elds. [email protected] Publications. Journals with ISI SC Index { 2; Intern. reviewed journals, books, and ISI proceedings { 2; Lithuanian licensed issues { 2; Other jour- nals and proceedings { 2. 6 DEPARTMENT OF DIFFERENTIAL EQUATIONS AND NUMERICAL ANALYSIS http://www.mif.vu.lt/katedros/dlsm/homea Head Prof. Vladas Skakauskas tel. (370{5) 219 30 84 [email protected] Since 01 09 2008 Head Prof. Konstantinas Pileckas tel. (370-5) 219 30 84 [email protected] Professors of the department give courses on di®erential equations (ODE and PDE), numerical analysis, optimization methods, applied math- ematics, calculus (at the falcuties of Economics, Chemistry, and Natural Sciences), and various more specialized lectures. The main research ¯elds of the department are ordinary and partial di®erential and integrodi®eren- tial equations, their numerical analysis, and applied mathematics. A. Ambrazevi·cius. Solvability of partial di®erential equations of parabolic type. [email protected] V. Dauk·sas. Optimization methods. [email protected] A. Domarkas. Solvability of nonlinear SchrÄodinger-type equations. [email protected] P. Katauskis. Solvability of parabolic-type PDEs. [email protected] K. Kaulakyt_e. Doctoral student: Mathematical models of viscous fluids. [email protected] A. Kavaliauskas. Asymptotic analysis of dynamic systems. [email protected] N. Klovien_e. Doctoral student: Mathematical models of non-Newnonian fluids. [email protected] M. Meil¹unas. Numerical analysis of parabolic problems. [email protected] K. Pileckas. Navier{Stokes equations. [email protected] G. Puriu·skis. SchrÄodinger-type di®erential equations. [email protected] V. Skakauskas. Population dynamics. [email protected] D. S¹ud·zi¹ut_e. Theory of games. [email protected] A. Stikonas· . Nonlocal problems. [email protected] L. Zaleskis. Doctoral student: Navier{Stokes equations. [email protected] 7 Publications. Journals with ISI SC Index { 4; Intern. reviewed journals, books, and ISI proceedings { 0; Lithuanian licensed issues { 2; Other jour- nals and proceedings { 0. DEPARTMENT OF PROBABILITY THEORY AND NUMBER THEORY http://www.mif.vu.lt/katedros/ttsk/homea.html Head Prof. Antanas Laurin·cikas tel. (370{5) 219 30 79 [email protected] Professors of the department give courses in algebra, number theory, probability theory, discrete mathematics, and various more specialized lec- tures in the directions mentioned. They also give lectures on calculus at the Faculties of Physics, Economics, and Communications. Their main scienti¯c interests are related to the algebraic, analytic, and probabilistic number theories and combinatorics. A great attention is also paid to neigh- boring problems of probability theory, to the development of Lithuanian mathematical thought, and to popularization of mathematical sciences. G. Alkauskas. Doctoral student: Problems of analytic number theory. [email protected], http://alkauskas.ten.lt V. Balinskait_e. Doctoral student: Value distribution of Mellin transforms. [email protected] R. Bastys. Doctoral student: Data compression. [email protected] P. Drungilas. Doctoral student: Algebraic numbers, polynomials. [email protected], http://uosis.mif.vu.lt/ e drungilas A. Dubickas. Algebraic numbers, distribution modulo 1. [email protected], http://www.mif.vu.lt/ e dubickas R. Garunk·stis. Analytic number theory. Zeta-functions. [email protected], http://www.mif.vu.lt/ e garunkstis A. Grigutis. Doctoral student: Distribution of zeros of the zeta-function. H. Jasi¹unas. History of mathematics. [email protected], http://www.mif.vu.lt/katedros/ttsk/bylos/ja/ja¡a J. Jankauskas. Doctoral student: Algebraic numbers, polynomials. [email protected] 8 A. Javtokas. Doctoral student: Nonclassical zeta-functions. [email protected], http://uosis.mif.vu.lt/ e javtokas A. Ka·c_enas. Value distribution of the Riemann zeta-function. [email protected], http://www.mif.vu.lt/katedros/ttsk/bylos/ka/ka¡a J. Karali¹unait_e. Doctoral student: Moments of zeta-functions. [email protected] T. Kargina. Doctoral student: Limit theorems for random combinatorial structures. [email protected] A. Kolupajeva. Doctoral student: Twists of L-functions. J. Kubilius. Analytic and probabilistic number theory. History of mathe- matics. [email protected], http://www.mif.vu.lt/katedros/ttsk/bylos/ku/ku¡a A. Laurin·cikas. Analytic and probabilistic number theory. Value distri- bution of zeta-functions. [email protected],