MAIN SCIENTIFIC INTERESTS

Physics of complex systems:
 

nonlinear dynamics and chaos in:

- magnetic systems

- neural systems

- social systems

dynamical phenomena in complex networks:

- epidemics spreading

- opinion formation in social systems

Theory and applications of artificial neural networks:

- memory properties and thermodynamics of neural systems

- nonlinear dynamics and chaos in neural networks

- applications of neural systems in safety engineering

and others ……

Selected scientific papers

R.A.Kosiński, "The structure and the energy of the cross-tie domain wall", Acta Phys. Polon., A51, 647 (1977)

R.A.Kosiński, J.Engemann, "Stationary motion of domain wall in the presence of in-plane magnetic field in a bubble garnet film", J.Appl.Phys. 55, 3732 (1984)

R.A.Kosiński, J.Strzeszewski, "Magnetostatic interactions of moving vertical Bloch lines in a domain wall", Phys. Stat. Sol. (b), 133, 533 (1986)

R.A.Kosiński, A.Sukiennicki, "The energy of moving domain wall", J. Magnetism and Magn. Mat. 59, 121 (1986)

R.A.Kosiński, "Domain wall dynamics in [110]-oriented bubble film in the presence of in-plane magnetic field", IEEE Trans. Magn. MAG-23, 3373 (1987)

R.A.Kosiński, "The structure of a diffuse domain wall in a bubble garnet film", J. Phys. C8-49, 1941 (1988)

R.A.Kosiński and A.Sukiennicki, "Chaotic motion of domain wall with vertical Bloch lines" - J.Magetism .and Magn. Mat. - 93, 128 (1991)

R.A.Kosiński, "Ranges of chaotic motion of domain walls for different boundary conditions", Phys. Stat. Sol. (b), 171, K39 (1992)

R.A.Kosiński, "Spatio-temporal diagrams for domain wall dynamics" Phys. Letters A, 169, 263, (1992)

R.A.Kosiński, "Range of chaotic motion of a domain wall in a periodic drive field" - J. Appl. Phys. 73, 320 (1993)

R.A.Kosiński, "Route to chaos of domain wall with vertical Bloch lines", IEEE Trans. Magn. 30, 1233 (1994)

R.A.Kosiński, "Chaotic motion of diffuse domain walls in magnetic garnets",

Phys.Rev.A. 50, 6751 (1994)

R.A.Kosiński and R.Stepien, "Simple quantitative analysis of spatio- temporal diagrams for domain wall dynamics", Acta Phys. Polon. A 87, 575 (1995)

R.Stepien, R.A.Kosiński, "Spatiotemporal dynamics of a chain of coupled impact pendulums", Acta Phys. Polon. A91, 1053 (1997)

T.Malinowski, R.A.Kosiński, "Applications of neural network to the analysis of dynamics of nonlinear spatially extended systems", Chaos Solitons and Fractals, 9, 1587 - 1595 (1998)

A.Sukiennicki and R.A.Kosiński, "Chaotic dynamics of periodically driven domain walls in magnetic garnet films", Chaos, Solitons and Fractals, 9, 181 – 191 (1998)

R.A.Kosiński and A.Jaroszewicz, "Dynamics of a square neural network with uniform and nonuniform excitations", Chaos, Solitons and Fractals, 9, 1481 – 1489 (1998)

R.A.Kosiński i M.Sinołęcka, „ On the effect of different types of dilution and damages on the memory properties of neural networks”, Acta Phys. Polon. -30, 2589-2596 (1999)

A.Krawiecki, A.Sukiennicki, R.A.Kosiński, ”Stochastic resonance in coupled threshold elements with input signals shifted in phase”, Int. J. of Modern Phys. B, 14, 837-852 (2000)

A.Krawiecki, A.Sukiennicki, R.A.Kosiński, ”Resonance and noise-enchanced order with spatiotemporal periodic signal”, Phys. Rev.E, 62, 7683- 7689 (2000)

R.A.Kosiński, A.Krawiecki, A.Sukiennicki,”Chaotic Dynamics of a Linear Chain of Periodically Stimulated Neurons with Random Synaptic Conections”, Acta Phys.Polon., A100, 89-99 (2001)

L.Stępień, A.Krawiecki, R.A.Kosiński, “On-off intermittency and attractor bubbling in the Ising-like cellular automaton with temperature random in time”, phys. Stat. Sol. (b) 236, 482-485 (2003)

R.A.Kosiński and M.Sinołęcka, „On the Influence of Synaptic Dilution on Memory Properties of Neural Network” in “Neural Networks and Soft Computing” ed. L.Rutkowski, J.Kacprzyk, Springer Verlag, Heidelberg, 2003, pp.206-211

R.A.Kosiński, “Inteligent neural system for safety control“, WSEAS Trans. on Systems, 2, 98-103 (2003)

L.Stępień, A.Krawiecki, R.A.Kosinski, “Stochastic Resonance in spatiotemporal on-off intermittency”, Chaos, Solitons and Fractals, 19, 1243-1250 (2003)

J.Ulaczyk, R.A.Kosiński , A.Zagórski, “On the thermodynamics of the Hopfield neural network with external field”, Acta Phys. Polon. A. 104, 479-486 (2003)

A.Grabowski, R.A.Kosiński and A.Krawiecki, “Dynamics of a 1-dimensional neural network with a “small-world” – topology of synaptic connections”, Physica A 341, 702-716 (2004)

B.Siemiątkowska and R.A.Kosiński, „Application of Neural Network for Safety Control”, WSEAS Trans. on Computers, 3, 575-580 (2004)

R.A.Kosiński and Ł.Adamowski, “Influence of the initial source of epidemic and preventive vaccinations on the spreading phenomena in a two dimensional lattice, Int.J, Mod. Phys. C., 15, 755-766 (2004)

A.Grabowski and R.A..Kosiński, „Epidemic spreading in a hierarchical social network” Phys.Rev.E, 70, 031908 (2004)

R.A.Kosinski, “Cellular Network with complex connections for the modeling of epidemic spreading”, WSEAS Trans. on Systems, 3, 2651-2656 (2004)

A.Grabowski, R.Kosiński, „The SIS model of epidemic spreading in a hierarchical social network”, Acta Phys. Polon. B 36, 1597 – 1593, (2005)

A.Grabowski and R.A.Kosinski “Evolution of a social network: The role of cultural diversity”, Physical  Review E 73, 016135 (2006)

A.Grabowski and R.A.Kosinski,  “Ising-based model of opinion formation in a complex network of interpersonal interactions”, Physica A, 361, 651-664 (2006)

A.Grabowski and R.A.Kosinski, “Epidemic control in a hierarchical social network”, Int. Journal of Modern Phys. C, 17, 133-145 (2006)

R.A.Kosiński, A.Grabowski, “Simple Model of Spreading of Two Epidemics: Phase Transition and Pattern Formation” Acta Physica Polonica B, 37, 1561 (2006)

R.A.Kosinski, and A.Grabowski, “dynamics of one and two-dimensional complex neural network”, Acta Phys. Superficierum, 8, 87 – 97 (2006)

T.M.Gradowski and R.A. Kosinski,”The Effect of an Electoral Campaign for Election Results in an Open Community”, Int. J. Mod. Phys. C 17, 1327-1338 (2006)

Books

R. A. Kosiński "Sztuczne sieci neuronowe – dynamika nieliniowa i chaos”", Wyd. Naukowo-Techniczne, Warszawa, 2000, 2002, 2007

- “Artificial neural networks – nonlinear dynamics and chaos”

R.A. Kosiński, „Wprowadzenie do mechaniki kwantowej i fizyki statystycznej”, Oficyna Wyd. PW. Warszawa, 1994, wydanie drugie 1998, trzecie wydanie 2006

- „Introduction to quantum mechanics and statistical physics”

Reports and papers in technical journals (in Polish)

R.A.Kosiński, „Podstawowe zależności charakteryzujące pole elektromagnetyczne” - rozdział w monografii „Bezpieczeństwo pracy „ Wyd.C.I.O.P., Warszawa, 1998, T1. str.403-411

R.A.Kosiński, „Ocena możliwości zastosowań sztucznych sieci neuronowych w zakresie bezpieczeństwa pracy”, opracowanie monograficzne dla Centr. Inst. Ochr. Pracy w Warszawie, Warszawa 1997, str.70

R.A.Kosiński, „Zbadanie wybranego modelu sieci neuronowej przydatnego do analizy bezpieczeństwa na stanowisku pracy”, opracowanie dla Centr. Inst. Ochr. Pracy w Warszawie, Warszawa 1998, str.26

C.Kozłowski i R.A.Kosiński, "Ocena zagrożenia promieniowaniem nadfioletowym emitowanym przez lampy owadobójcze", Bezp. Pracy, 10/97, 8 - 10, (1997)

C.Kozłowski, R.A.Kosiński, "Zagrożenia promieniowaniem podczerwonym w hutach szkła", Bezp..Pracy, 10/96, 8 - 10 (1996)

C.Kozłowski i R.A.Kosiński, "Zagrożenia promieniowaniem podczerwonym i nadfioletowym" - rozdzial w książce "Czynniki szkodliwe w środowisku pracy", Wyd. Centr. Inst. Ochrony Pracy, Warszawa, 1998, str. 193 - 203

R.A.Kosiński i B.Siemiątkowska, „Układ sieci neuronowych do analizy sytuacji niebezpiecznych na zautomatyzowanym stanowisku pracy”, Pom.Automatyka, Robotyka, 7-8, 17-20, 1999

R.A.Kosiński, „Modelowanie epidemii”, Sprawy Nauki, 107, 10-11, luty 2005

Hobbies

Hiking in the mountains

Yachting

Philosophy

Novels