Krzysztof Urbanowicz ResearchGate Profile

• • • Chaos control in economical model by time-delayed feedback method YEAR: 2000
      JA Hołyst, K Urbanowicz
      Physica A: Statistical Mechanics and its Applications 287 (3-4), 587-598
    • Observations of deterministic chaos in financial time series by recurrence plots, can one control chaotic economy? YEAR: 2001
      JA Hołyst, M Żebrowska, K Urbanowicz
      The European Physical Journal B-Condensed Matter and Complex Systems 20, 531-535
    • Noise-level estimation of time series using coarse-grained entropy YEAR: 2003
      K Urbanowicz, JA Hołyst
      Physical Review E 67 (4), 046218
    • Combustion process in a spark ignition engine: dynamics and noise level estimation YEAR: 2004
      T Kamiński, M Wendeker, K Urbanowicz, G Litak
      Chaos: An Interdisciplinary Journal of Nonlinear Science 14 (2), 461-466
    • Estimation of a noise level using coarse-grained entropy of experimental time series of internal pressure in a combustion engine YEAR: 2005
      G Litak, R Taccani, R Radu, K Urbanowicz, JA Hołyst, M Wendeker, …
      Chaos, Solitons & Fractals 23 (5), 1695-1701
    • Noise reduction in chaotic time series by a local projection with nonlinear constraints YEAR: 2003
      K Urbanowicz, JA Holyst, T Stemler, H Benner
      arXiv preprint cond-mat/0308554
    • How random is your heart beat? YEAR: 2007
      K Urbanowicz, JJ Żebrowski, R Baranowski, JA Hołyst
      Physica A: Statistical Mechanics and its Applications 384 (2), 439-447
    • Noise estimation by use of neighboring distances in takens space and its applications to stock market data YEAR: 2006
      K Urbanowicz, JA Hołyst
      International journal of Bifurcation and Chaos 16 (06), 1865-1869
    • Investment strategy due to the minimization of portfolio noise level by observations of coarse-grained entropy YEAR: 2004
      K Urbanowicz, JA Hołyst
      Physica A: Statistical Mechanics and its Applications 344 (1-2), 284-288
    • Risk evaluation with enhanced covariance matrix YEAR: 2007
      K Urbanowicz, P Richmond, JA Hołyst
      Physica A: Statistical Mechanics and its Applications 384 (2), 468-474
    • Improvement of speech recognition by nonlinear noise reduction YEAR: 2007
      K Urbanowicz, H Kantz
      Chaos: An Interdisciplinary Journal of Nonlinear Science 17 (2)
    • Noise reduction for flows using nonlinear constraints YEAR: 2004
      K Urbanowicz, JA Holyst
      arXiv preprint cond-mat/0411324
    • Entropy and optimization of portfolios YEAR: 2014
      K Urbanowicz
      arXiv preprint arXiv:1409.7002
    • Application of noise level estimation for portfolio optimization YEAR: 2006
      K Urbanowicz, JA Hołyst
      Practical Fruits of Econophysics: Proceedings of the Third Nikkei …
    • Anti-deterministic behaviour of discrete systems that are less predictable than noise YEAR: 2005
      K Urbanowicz, H Kantz, JA Holyst
      Physica A: Statistical Mechanics and its Applications 350 (2-4), 189-198
    • Dynamics and noise level estimation in two-phase flow through a mini channel YEAR: 2016
      G Górski, G Litak, R Mosdorf, A Rysak, K Urbanowicz
      Applied Mechanics and Materials 844, 115-121
    • A simple model of local prices and associated risk evaluation YEAR: 2014
      K Urbanowicz, P Richmond, JA Hołyst
      arXiv preprint arXiv:1408.1352
    • Metody określania i redukcji poziomu szumu stochastycznego w układach chaotycznych YEAR: 2004
      K Urbanowicz
      Faculty of Physics
    • On-line noise suppression for enhancing speech recognition YEAR: 2009
      K Urbanowicz, P Fronczak, J Hołyst
      Acta Physica Polonica A 116 (2), 119-126
    • Minimization of the noise level in a portfolio: a novel investment strategy YEAR: 2003
      K Urbanowicz, JA Holyst
      EUROPHYSICS CONFERENCE ABSTRACTS ECA 27 (C), A95-A95
    • Noise level estimation in a time series YEAR: 2002
      K Urbanowicz
      EUROPHYSICS CONFERENCE ABSTRACTS ECA 26 (G), 189-189
    • Single Uniform Uncertainty Sphere Hypothesis: A Perspective on the Cosmological Constant Integrating Quantum Mechanics and General Relativity YEAR: 2024
      K Urbanowicz