prof Janusz A. Hołyst

e-mail:
fax: +48-22-2345808
web: http://www.if.pw.edu.pl/~jholyst
interest(s):

Affiliation:


Warsaw University of Technology, Faculty of Physics

address: Koszykowa 75, Warszawa, 00-662, Poland
phone: +48 22 6296124
fax: +48 22 6282171
web: http://www.if.pw.edu.pl

Affiliation:


Warsaw University of Technology, Centre of Excellence for Complex Systems Research

address: Koszykowa 75, Warszawa, 00-662, Poland
phone:
fax:
web:

Participant:


Symposium on Econo- and Sociophysics 2004

began: 2004-11-19
ended: 2004-11-20
Presented:

Symposium on Econo- and Sociophysics 2004

Log-periodic oscillations in degree distributions of hierarchical scale-free networks


Participant:


2 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

began: 2006-04-21
ended: 2006-04-22
Presented:

2 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

Transition to Coherent Oscillatory Behaviour in a Route Choice Game

Participant:


3 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

began: 2007-11-22
ended: 2007-11-24
Presented:

3 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

Who wins in competition of social networks ?

Participant:


International Conference on Economic Science with Heterogeneous Interacting Agents 2008

began: 2008-06-19
ended: 2008-06-21
Presented:

International Conference on Economic Science with Heterogeneous Interacting Agents 2008

Analysis of scientific productivity using maximum entropy principle and fluctuation-dissipation theorem

Participant:


4 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

began: 2009-05-07
ended: 2009-05-09
Presented:

4 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

Fluctuation scaling of quotation activities in the foreign exchange market

Participant:


5 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

began: 2010-11-25
ended: 2010-11-27
Presented:

5 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

The Lehman Brothers Effect and Bankruptcy Cascades

Participant:


6 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

began: 2012-04-19
ended: 2012-04-21
Presented:

6 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

Entropy-growth-based model of emotionally charged online dialogues

6 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

Diffusion processes on coupled complex networks

Participant:


CyberEmotions conference

began: 2013-01-29
ended: 2013-01-30
Presented:

CyberEmotions conference

Collective emotions in Cyberspace, short review of Cyberemotions Project results  

Participant:


8 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

began: 2015-11-04
ended: 2015-11-07
Presented:

8 Ogólnopolskie Sympozjum "Fizyka w Ekonomii i Naukach Społecznych"

How much information is in New York Times articles ? 

Participant:


Econophysics Colloquium 2017

began: 2017-07-04
ended: 2017-07-07
Presented:

Econophysics Colloquium 2017

Hierarchical Partitions of Social Networks Between Rivaling Leaders

Publications:


  1. Analysis and simulation of emotional states in Internet communities
  2. Analysis of scientific productivity using maximum entropy principle and fluctuation-dissipation theorem
  3. Analytical approach to model of scientific revolutions
  4. A threshold Potts model of financial markets
  5. Characteristic periodicities of collective behavior at the foreign exchange market
  6. Co-evolution of the Potts model and topology of interactions
  7. Collective emotions in Cyberspace, short review of Cyberemotions Project results  
  8. Competing networks
  9. Diffusion processes on coupled complex networks
  10. Emotional Agents at the Square Lattice
  11. Emotional clusters observed in Internet communities
  12. Emotional clusters observed in Internet communities
  13. Entropy-growth-based model of emotionally charged online dialogues
  14. Fast rumour source detection in large social networks
  15. Fluctuation-dissipation relations in physiological data collected during emotional stimulation
  16. Fluctuation scaling of quotation activities in the foreign exchange market
  17. Fluctuation scaling of quotation activities in the foreign exchange market
  18. Heider balance in bilayer networks
  19. Hierarchical Partitions of Social Networks Between Rivaling Leaders
  20. How are World Events Similar to Contagions?
  21. How much information is in New York Times articles ? 
  22. How much noise is at stock markets ?
  23. Is there group  impact on study records?  Data mining analysis of students’ scores at Faculty of Physics, WUT
  24. Modeling of scientific paradigms spreading
  25. Networks of companies and branches in Poland
  26. New constant of motion for coevolving voter model
  27. Noise enhances information transfer in hierarchical networks
  28. Nonequilibrium phase transition due to social group isolation
  29. Observations of extreme events at Warsaw Stock Market
  30. Online discussions modelled by an evolving Ising-like dynamics
  31. Properites of correlations in commodity markets
  32. Scaling of clusters in a one-dimensional system
  33. Scaling of human activity at several Web portal
  34. Scaling of human behavior in the portal browsing.
  35. Sentiment and activity analysis of Manchester United football forum
  36. Sentiment and activity analysis of Manchester United football forum.
  37. Stochastic resonance for information flows on hierarchical networks
  38. The Lehman Brothers Effect and Bankruptcy Cascades
  39. Transition due to preferential cluster growth of collective emotions in online communities
  40. Transition to Coherent Oscillatory Behaviour in a Route Choice Game
  41. Voter model on Sierpinski fractals
  42. Who wins in competition of social networks ?
  43.  Multidimensional analysis of emotions based on physiological signals



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