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, research stay;1988
Earthquake Research Institute, University of Tokyo, research stay;1993, 1995
Institute of Seismology and Volcanology, Hokkaido University, visiting professor, 2003

Institute of Methodologies for Environmental Analysis CNR, Tito, Italy, research stay; 2011, 2012, 2013, 2015, 2018.

National Institute of Geophysics and Volcanology CNR, Rome, Italy, research stay; 2015

M. Nodia Institute of Geophysics of Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia, research stay; 2015
University of Chile, Santiago, Chile, research stay; 2017, 2018, 2019

 

Selected publications:

Telesca L. and  Z. Czechowski, Fisher–Shannon Investigation of the Effect of Nonlinearity of Discrete Langevin Model on Behavior of Extremes in Generated Time Series, Entropy 2023, 25, 1650.

 

Petelczyc M, and Z. Czechowski, Effect of nonlinearity and persistence on multiscale irreversibility, non-stationarity, and complexity of time series - Case of data generated by the modified Langevin model, CHAOS 33, 2023, 053107.

 

Matcharashvili T., Czechowski Z.,  Chelidze T.,  Zhukova N., Changes in the dynamics of seismic process observed in the fixed time windows; case study for southern California 1980-2020, Phys. Earth Planet. Int. 319, 2021, 106783.

 

Czechowski Z., Discrete Langevin-type equation for p-order persistent time series and procedure of its reconstruction, CHAOS 31, 2021, 063102.

 

Telesca L. and  Z. Czechowski, Clustering of extreme events in time series generated by the fractional Ornstein-Uhlenbeck equation, CHAOS 28, 2020, 083128.

 

Matcharashvili T., Z. Czechowski, and N. Zhukova, Mahalanobis distance-based recognition of changes in the dynamics of a seismic process, Nonlin. Processes Geophys., 26, 291–305, 2019.

 

Czechowski Z., Modelling of persistent time series by the nonlinear Langevin equation, pp.141-159, [in] Complexity of Seismic Time Series: Measurements and Application, Chelidze T., Vallianatos F., Telesca L. [Eds.], Elsevier 2018.

 

Telesca L. and Czechowski Z., Relation between HVG-irreversibility and persistence in the modified Langevin equation. CHAOS 28, 2018, 073107.

 

Pasten D., Czechowski Z. and Toledo B., Time series analysis in earthquake complex networks, CHAOS 28, 2018, 083128.

 

Czechowski Z., Budek A., and M. Białecki; Bi-SOC-states in one-dimensional random cellular automaton, CHAOS, 27, 5, 103123, (2017).

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,