Lasha Ephremidze (Mr.)
Birth: 29 October 1965, Tbilisi, Georgia
Mailing Address: 6, Tamarashvili Str., Tbilisi 0177, Georgia
E-mail addresses: lephremi@umd.edu; lasha@rmi.ge
Tel: +995-32-32-13-33 (home) +995-55-36-03-43 (Cell)
Professional Membership: AMS
Research Areas: Harmonic Analysis, Ergodic Theory, Complex Analysis
Marital Status: Married, have three daughters.
Languages: Georgian, English, Russian, Japanese (basic)
Programming: MatLab
Education and Degrees:
2003, Doctor of Sciences (Habilitation), A. Razmadze Mathematical Institute, Tbilisi, Georgia. Thesis: "Some Problems of Fourier and Ergodic Operator Theories". Scientific adviser: Prof. G. Janashia.
1993, Candidate of Sciences (PhD), A. Razmadze Mathematical Institute. Thesis: "Metric properties of dynamical systems". Supervisor: Prof. O. Tsereteli.
1987, MSc in Mathematics with Distinction, Tbilisi State University.
Teaching Experience:
2009 - present, Mathematics Department, I.Javakhishvili State University. Courses: Calculus, Measure Theory and Integration, Complex Analysis, Introduction to Wavelets, Theory of Hardy Spaces (in Georgian)
1995 - 2000, 2002 - 2004, 2007 - 2010, International Black Sea University. Courses: Calculus, Linear Algebra, Probability Theory, Statistics, Differential Equations, Discrete Mathematics, Numerical Analysis (in English)
2006 - 2007, Tokai University, Courses: Estimation Theory of Gaussian Random Processes, Wiener Processes and Stochastic Integrals, Introduction to Financial Mathematics (in English)
2001, Charles University in Prague, Faculty of Mathematics and Physics, Department of Probability and Statistics. Course: Ergodic Theory and Information (in English)
1993 - 1995, Georgian Technical University, Faculty of Applied Mathematics. Courses: Mathematical Analysis, Complex Analysis, Functional Analysis, Linear Algebra (in Georgian)
Previous Appointments:
2009-present, Associate Professor at Faculty of Exact and Natural Sciences of I. Javakhishvili State University
1987-present, Researcher of A. Razmadze Mathematical Institute
2008-2010, Full Professor at International Black Sea University
2005-2007, Japan Society for the Promotion of Science Postdoctoral Fellow at Mathematics Department of Tokai University, Shizuoka, Japan.
2004-2005, Matsumae International Foundation Fellow at Mathematics Department of Okayama University, Okayama, Japan.
2002-2004, Lecturer at International Black Sea University
2000-2002, Visiting Senior Research Fellow at Prague Mathematical Institute
1995-2000, Lecturer at International Black Sea University
Awards:
1987, Gold medal of the Georgian Academy of Sciences
1986, Gold medal for the best research paper in a competition of SU university students
Grants:
2013-2015 Shota Rustaveli National Science Foundation grant (Contract No. 31/47).
2012-2014 Shota Rustaveli National Science Foundation grant (Contract No. D/13-23).
20010-20012, GNSF grant/ST09/23-3-100
2008-2010, GNSF grant/ST07/3-169
2007-2008, INTAS grant Nr 06-1000017-8792
2004, CNR-NATO grant of Italy No. 217.35 S.
1997-2006, Grant No. 1.1 of the Georgian Academy of Sciences
1998-2000, 2004-2005 Grants of the President of Georgia
Patents:
2009, “Matrix Spectral Factorization for Data Compression, Filtering, Wireless Communications, and Radar Systems”, IS-2008-049, University of Maryland (status: patent pending). (with G. Janashia, E. Lagvilava, and A. Ephremides) http://www.wipo.int/pctdb/en/wo.jsp?WO=2009134444
Organization of Conferences and Workshops:
2008, International Workshop in Variable Exponents and Related Topics, Tbilisi, Georgia, 2-5 September
2008, Workshop in Function Spaces, Differential Operators and Nonlinear Analysis, Helsinki, 22-24 August
2013, IEEE First International Black Sea Conference on Communications and Networking, Batumi, Georgia 3-5 July
Member of Editorial Board:
Proceedings of A. Razmadze Mathematical Institute
Talks at Conferences:
2013, “Numerical comparison of different algorithms for construction of wavelet matrices” – IEEE First International Black Sea Conference on Communications and Networking, July 3-5, 2013, Batumi, Georgia.
2011, "Matrix spectral factorization and wavelets" – International Conference on Continuum Mechanics and Related Problems of Analysis, Tbilisi, 9-14 September
2008, “On parameterization of compact wavelets” – FSDONA-Workshop, Helsinlki, 22-24 August
2008, “On parameterization of the wavelet matrices” – Function Spaces and Application, Freyburg, 7-11 July
2007, “A new efficient matrix spectral factorization algorithm” – SICE Annual Conference 2007, Kasagawa University, Japan, 17-20 September
2007, “On the estimation of the convergence rate in the Janashia-Lagvilava spectral factorization algorithm” – Conference in Harmonic Analysis and Applications, Hokkaido University, Japan, 2-4 September
2007, “On the uniqueness of maximal operators” – Conference in Harmonic Analysis and Nonlinear Partial Differential Equations, Kyoto University, Japan, 9-11 July
2007, “The John-Nirenberg inequality for ergodic systems” - Meeting of the Mathematical Society of Japan, Sendai, 20-23 September
2006, “On the uniqueness of maximal functions of Borel measures” - Meeting of the Mathematical Society of Japan, Osaka, 20-23 September
2005, “On the generalization of the Riesz-Zygmund theorem for the ergodic Hilbert transform.” - Meeting of the Mathematical Society of Japan, Tokyo, 27-30 March
2002, “On the decreasing rearrangement of the ergodic maximal function” - Spring School on Nonlinear Analysis, Prague, Czech Republic, 17-22 July
2002, “On the generalization of the Stein-Weiss theorem for the ergodic transformations” - The 26th Summer Symposium in Real Analysis, Lexington, USA, 25-29 June
2001, “A new multivariate spectral factorization algorithm” - First SIAM-EMS Conference, Applied Mathematics in our Changing World, Berlin, 2-6 September
1990, “On the ergodic maximal function”- Summer school on dynamical systems, Samos, Greece, 1-15 August
1989, “On the convergence of Fourier series in the norm” - Function theory seminar, Banach Center, Poland, 22 October-9 November
1989, “On the ergodic maximal equality” - The fifth international conference on probability theory and statistics, Vilnius, 26 June-1 July
Important Seminar Talks:
2007, “A new efficient matrix spectral factorization algorithm”- Department of Information Physics and Computing, University of Tokyo, 12 October
2007, “A new effective multidimensional spectral factorization algorithm”- Norbert Wiener Center Seminar, University of Maryland, http://norbertwiener.umd.edu/seminars/abstracts06-07/abstract15.html
2007, “Spectral factorization and its applications” – Department of Electrical Engineering, Tokai University, Japan, 5 February
2006, “On factorization of positive definite matrix-functions” – Department of Mathematics, Hokkaido University, Japan, 13 February
2004, “On the ergodic maximal function”- Department of Mathematics, St. Andrews University, Scotland, UK, 27 February
2001, “A new method of factorization of positive definite matrix-functions” – Department of Mathematics, Lancaster University, UK, 13 July
2000, “Prediction theory of stationary random processes” – Department of Mathematics, University of Sussex, UK, 28 April
Scientific Visits:
2013, Polytechnic Institute of New York University, USA, 1-10 December (Scheduled)
2008, Institute for Systems Research, University of Maryland, USA, 11 – 29 April
2007, Meijo University, Nagoya, Japan, 18 May
2007, Institute for Systems Research, University of Maryland, USA, 15 February – 12 March http://www.ece.umd.edu/events/index.php?mode=4&id=1544
2006, Athen’s Information Technology Institute, Greece, 16 June
2004, University of Bologna, Italy, 1 May – 30 June
2004, St. Andrews University, Scotland, 15 February – 15 march
2001, Lancaster University, UK, 13 July (seminar talk)
2000, University of Sussex, UK, 15 April – 15 May