Head of the Department

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
PROF. DR HAB. ZBIGNIEW CZECHOWSKI, PROF. PAN

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:

  • TelescaL. 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.
  • TelescaL. 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,