BACKGROUND
Theoretical Physics, University of St. Petersburg (SPbU), Russia
QUALIFICATION SUMMARY
PhD in geophysics, more than 20 years of experience in R&D:
applied ill-posed and inverse problems, theory of regularization,
applied mathematics, data processing, parameter identification,
computerized tomography, optimization problems, etc., mainly in geophysics:
mathematical geophysics/algorithm development/novel approaches
to signal processing, multiple suppression, diffraction tomography
in seismics/optics, 3D depth seismic imaging, seismic monitoring,
geostatistics,etc.
Author of a few novel approaches to data processing.
Real data have been processing with the approaches:
satellite/airborne IR/UV radiation data; side-scanning sonar data,
seismic data: VSP, 2D/3D, 3C, etc.; in particular:
VSP- and 3D-data from
Norsk
Hydro:
Biryulina,
M. and Ryzhikov, G., 1997,
Convex Body Regularization (CoBR) in Linear
Inversion/Deconvolution,
59th EAGE Annual Conference, Geneva, Switzerland, 1997, P122;
3C crosswell-data
from Conoco:
M.S. Biryulina, K.S.
Osypov, G.A. Ryzhikov, J.A.
Scales, 1996
Seismic Inversion
Using Energetic Envelopes,
AGU 96 Fall Meeting, S72B-03;
regional
(Italy, Germany, Norway) seismological network 3C-data
Ryzhikov, G., Biryulina,
M. and E. Husebye, 1996,
A novel approach
to automatic monitoring of regional seismic events, 
IRIS Newsletter,v.15,
pp. 12-14;
2D-data from Norsk
Hydro:
G.A.Ryzhikov and M.S.
Biryulina , 1998,
Sharp Deconvolution
in Elimination of Multiples:
68th Ann. Internat. Mtg. Soc. Expl. Geophys.,
Expanded Abstracts, ST-18.3,
pp. 1983-1986.
Biryulina, Marina and Ryzhikov, Gennady,
1999,
MSvE-
A novel approach to statistical
estimation of primaries
superimposed
on incoherent multiples:
(ps.gz: 110Kb)
61st Mtg. Eur. Assoc. Expl Geophys.,
Extended Abstracts, 99, Session:
1-10
Ryzhikov, Gennady and Biryulina, Marina,
1999,
Removal of intrabed
multiples via Source-Signature Invariant Inversion,
69th Ann. Internat. Mtg. Soc. Expl. Geophys.,
Expanded Abstracts, Vol. II, SPRO
1.8, pp. 1076-1079 (PDF:
575 Kb) (ps.gz:
430 Kb)
Biryulina, Marina and Ryzhikov, Gennady,
2000,
Imaging of reflectors
under uncertainties in macromodel
(PDF:
250Kb)
62nd Mtg. Eur. Assoc. Expl Geophys.,
Extended Abstracts, 2000, Session: B-55
Ryzhikov, Gennady and Biryulina, Marina,
2001,
Can we hear seabed lithology from shipboard ?
(PDF:
340 Kb)
(ps.gz:
170Kb)
in: VNIGRI / AAPG Regional International Conference, ,
July 15-18, 2001, St. Petersburg, Russia,
Extended Abstracts, Session:
P4 -8
EMPLOYMENT
Senior Researcher, University of Bergen, Norway (work permit): Since 1993
Senior research scientist, Institute of Physics, SPbU, Russia: Prior to 1993
ALGORITHM CREATION skills, e.g.
Author of a new global optimization algorithm (
RGA-algorithm),
which has been successfully applied for 3D nonlinear inversion:
3D
nonlinear inversion by entropy of image contrast optimization,
1995,
Nonlinear
Processes in Geophysics, v.2, n.3/4, pp. 228-240
and for real data processing:
A new approach
to coherency inversion by global optimization, 1995:
65th SEG Meeting, 1995, Expanded Abstracts, p.1081-1083.
Author of a few novel algorithms for 3D prestack inversion/migration,
e.g.
Moser, T.,
Biryulina, M. and G. Ryzhikov, 1997,
Born Inversion
in Realistic Backgrounds by Means
of Recursive
Green's Functions,
in: Inverse Problems of Wave Propagation and Diffraction,
G. Chavent and P.C. Sabatier, Eds.,
Lecture
Notes in Physics, Vol. 486, Springer, pp.306-319
Author (with V. Troyan)
of a monograph (in Russian *):
Ryzhikov G.A. and V.N. Troyan,
Tomography
and remote sensing inverse problems,
St.Petersburg Univ. Press, St. Petersburg, 1994, 220 pp.
Author of novel METHODS/ALGORITHMS of regularization:
Realized as scientific software,
published mostly in technical
reports:
Regularization
in a Sobolev space of infinite order
'Convex
Body Regularization' (CoBR:
constrains on values of a set of given linear functionals
on
an estimated function)
Combined statistical/functional regularization
Self-adaptive
regularization, etc.
COMPUTER skills
FORTRAN, C; UNIX; MS-DOS, Windows; work-station and
computer networking skills; Sun, HP PC, ...
LANGUAGE
Russian, English, Norwegian
OTHER PERTINENT INFORMATION
Supervision of PhD students, research assistants, research seminars,
lecturing, an ability to work with specialists in varied fields,
strong interest in interdisciplinary researches,
R&D-project initiation/leadership.
NB! To get a clear copy of this resume or CV please request a fax- /Word- copy.
