Department of Theoretical Geophysics
Institute of Geophysics Polish Academy of Sciences
01-452 Warszawa, ul. Ks. Janusza 64,
e-mail: zczech@igf.edu.pl
tel. 48 22 6915683

Education

1979 M.Sc., Warsaw University, Mathematics, Informatics and Mechanics Department
1984 Ph.D, Institute of Fundamental Technological Research, Polish Academy of Sciences
1994 Habilitation, Institute of Geophysics, Polish Academy of Sciences

2015 Professor of Earth Sciences

Employment:

1983 till present at the Institute of Geophysics, Polish Academy of Sciences
1985 – assistant professor
1995 – associate professor
2004 -  2008 head of Department of the Earth’s Interior Dynamics
2008 -  2010 head of Department of Seismology and Physics of the Earth’s Interior
2010 -  2014 head of Team of the Earth’s Interior Dynamics
from 2014   head of Department of Theoretical Geophysics

Research interests

stochastic processes, nonlinear time series modeling, time series analysis, fractals and multifractals,  long-tail distributions, cellular automata,  kinetic theory of cracks, physics of earthquakes, cracks evolution,  dynamics of planetesimals.

Experience:

Istituto di Astrofisica Spaziale, CNR, Rome, 1988
Earthquake Research Institute, University of Tokyo, 1993, 1995
Institute of Seismology and Volcanology, Hokkaido University, 2003

Selected publications:

Czechowski, Z.; Telesca L., Detrended fluctuation analysis of the Ornstein-Uhlenbeck process:  stationarity versus nonstationarity, CHAOS, 26, 113109 (2016).

Czechowski Z., Reconstruction of the modified discrete Langevin equation from persistent time series, CHAOS 26, 053109 (2016).

Czechowski Z., Lovallo M. and Telesca L., Multifractal analysis of visibility graph-based Ito-related connectivity time series, CHAOS 26, 023118 (2016).

Telesca L., Czechowski Z., and Lovallo M., Multifractal analysis of time series generated by discrete Ito equations, CHAOS 25, 063113 (2015).

Czechowski Z., On microscopic mechanisms which elongate the tail of cluster size distributions: an example of Random Domino Automaton, PURE AND APPLIED GEOPHYSICS 172, 2075-2082  (2015).

Białecki M. and Czechowski Z., Random Domino Automaton – modeling macroscopic properties by means of microscopic rules, [in] Achievements, History and Challenges in Geophysics: 60th Anniversary of the Institute of Geophysics,  Polish Academy of Sciences, (eds) R. Bialik, M. Majdański, M. Moskalik, 2014, Geoplanet, Springer, pp. 223-241.

Czechowski Z., On reconstruction of the Ito-like equation from persistent time series, Acta Geophysica, (2013), DOI:10.2478/s11600-013-0117-1.

Białecki M. and Z. Czechowski, On one-to-one dependence of rebound parameters on statistics of clusters: exponential and inverse-power distribution out of Random Domino Automaton, J. Phys. Soc. Jpn. 82, (2013) 014003. http://dx.doi.org/10.7566/JPSJ.82.014003.

Czechowski Z. and M. Białecki, Three-level description of the domino cellular automaton, Journal of Physics A: Math. Theor. 45, (2012), 155101 (19pp).

Czechowski Z. and M. Białecki,  Ito equations out of domino cellular automaton with efficiency parameters, Acta Geophysica, 60, no 3, (2012), 846-857.

Telesca L. and Z. Czechowski, Discriminating geoelectrical signals measured in  seismic and aseismic areas by using Ito models, Physica A, 391 (2012), 809-818.

Czechowski Z., and L. Telesca, Construction of Ito model for geoelectrical signals, Physica A 390 (2011), 2511-2519.

Teisseyre R. and Z. Czechowski, Processes in Micro-Fracture Continuum, Chapter 4 in V. De Rubeis, Z. Czechowski and R. Teisseyre (Eds.) “Synchronization and triggering: from fracture to earthquake processes”, Springer 2010, 51-62.

Czechowski Z., The importance of privilege for appearance of long-tail distributions, Chapter 7 in V. De Rubeis, Z. Czechowski and R. Teisseyre (Eds.) “Synchronization and triggering: from fracture to earthquake processes”, Springer 2010, 97-121.

Białecki M. and Z. Czechowski "On a simple stochastic cellular automaton with avalanches: simulation and analytical results", Chapter 5 in V. De Rubeis, Z. Czechowski and R. Teisseyre (Eds.) “Synchronization and triggering: from fracture to earthquake processes”, Springer 2010, pp. 63-75.

Czechowski Z. and M. Białecki "Ito equations as macroscopic stochastic models of geophysical phenomena - construction of the models on a base of time series and analytical derivation", Chapter 6 in V. De Rubeis, Z. Czechowski and R. Teisseyre (Eds.) “Synchronization and triggering: from fracture to earthquake processes”, Springer 2010, pp. 77-96. 

Czechowski Z., Rozmarynowska A., 2008,  The importance of the privilege for appearance of inverse-power solutions in Ito equations,  Physica A,  387, 2008, 5403-5416.

Czechowski Z., 2005, The importance of the privilege in resource redistribution models for appearance of inverse-power solutions,  Physica A, 345 , 92-106. 

Czechowski Z., 2003, The privilege as the cause of the power distributions in geophysics, Geophys. J. Int., 154, 754-766.

Czechowski Z., 2001,  Transformation  of random distributions into power-like distributions due to  non-linearities: application to geophysical phenomena ,  Geophys. J. Int., 144, 197-205.

Czechowski Z., 1993, A kinetic model of nucleation, propagation and fusion of cracks, J. Phys. Earth, 41, 127-137.

Czechowski Z., 1991, A kinetic model of crack fusion, Geophys. J. Int., 104, 419-422,