- Statistical Physics,
- Dynamical Systems and Chaos Theory,
- Theory of Phase Transitions,
- Interdisciplinary Applications of Physics,
- Complex Systems (including Cellular Automata and Complex Networks),
- Mathematical Modelling with Wolfram Mathematica®.

- G. Siudem, B. Żogała-Siudem, A. Cena, M. Gagolewski Three dimensions of scientific impact,

PNAS, 202001064 (2020). - M. Petelczyc, J.J. Gierałtowski, B. Żogała-Siudem, G. Siudem, Impact of observational error

on heart rate variability analysis, Heliyon, 6, E03984 (2020). - A. Fronczak, P. Fronczak, G. Siudem, Partial equivalence of statistical ensembles in a simple spin model

with discontinuous phase transitions, Physical Review E, 101, 022111 (2020). [arXiv:1911.00287] - A. Geras, G. Siudem, M. Gagolewski, Should we introduce a dislike button for academic articles?,

Journal of the Association for Information Science and Technology, 71, 221 (2020). - G. Siudem, J. A. Hołyst, Diffusion on hierarchical systems of weakly-coupled networks,

Physica A, 513, 675 (2019). [arXiv:1303.2650] - A. Krawiecki, T. Gradowski, G. Siudem , Majority Vote Model on Multiplex Networks ,

Acta Physica Polonica A, 133, 1433 (2018). - N. Haug, T. Prellberg, G. Siudem, Area-width scaling in generalised Motzkin paths,

Physica A, 482, 611 (2017). [arXiv:1605.09643] - G. Siudem, G. Świątek, Diagonal stationary points of the Bethe functional,

Discrete and Continuous Dynamical Systems - Series A, 37, 2717, (2017). - G. Siudem, A. Fronczak, P. Fronczak, Exact low-temperature series expansion

for the partition function of the zero-field Ising model on the infinite square lattice

on the infinite square lattice, Scientific Reports, 6, 33523, (2016). [arXiv:1410.7963] - B. Żogała-Siudem, G. Siudem, A. Cena, M. Gagolewski, Agent-based model for the h-index

- Exact solution, The European Physical Journal B, 89, 21, (2016). EPJB Highlight - G. Siudem, G. Świątek, Dynamics of the Belief Propagation for the Ising Model,

Acta Physica Polonica A, 127, 3A-145, (2015). - G. Siudem, Partition function of the model of perfect gas of clusters for interacting fluids,

Reports on Mathematical Physics, 72, 85, (2013). - P. Kondratiuk, G. Siudem, J. A. Hołyst, Analytical approach to the model of scientific

revolutions, Physical Review E, 85, 066126, (2012). [arXiv:1008.3911] - J. Sienkiewicz, G. Siudem, J. A. Hołyst, External bias in the model of isolation of communities,

Physical Review E, 82, 057101, (2010). [arXiv:1106.0438]

- G. Siudem, A. Fronczak, P. Fronczak Bell polynomials and combinatorics of the Ising model ,

Open Statistical Physics 2016 (OSP 2016), 13 April 2016, Milton Keynes, United Kingdom. - G. Siudem, A. Fronczak Exact Expression For Number Of Energy States In The Two-Dimensional

Ising Model , International Conference on Statistical Physics SigmaPhi 2014 (SigmaPhi2014),

7-11 July 2014, Rhodes, Greece. - G. Siudem, G. Świątek Exotic Fixed Points of the Belief Propagation Algorithm, 7th Symposium

on Physics in Economics and Social Sciences (FENS'14), 14-17 May 2014, Lublin, Poland. - G. Siudem, A. Fronczak Combinatorial meaning of the low-temperature series expansion's

coeffcients for the two-dimensional Ising model, European Conference on Complex Systems

(ECCS'13), 16-20 September 2013, Barcelona. - G. Siudem, J. A. Hołyst Diffusion and entropy production for multi-networks

with fitness factors, PhD Flash-Talks Session during ECCS Warm-Up School on Complex Systems,

(ECCSWarm-Up'13), 13-15 September 2013, Barcelona. - G. Siudem, A. Fronczak Combinatorial approach to Complex Systems, 2013 Summer Solstice

International Conference on Discrete Models of Complex Systems (SummerSolstice'13),

27-29 June 2013, Warsaw, Poland. - G. Siudem, Dynamiczne własności algorytmu propagacji przekonań,

4th Interdisciplinary Workshop on Mathematics (4IMW), 24-26 May 2013, Będlewo, Poland.

- G. Siudem, G. Świątek Diagonal Stationary Points of the Bethe Functional

NetSciX 2016, 11-13 January 2016, Wrocław, Poland. - G. Siudem, G. Świątek Diagonal stationary points of Bethe free energy

XXVIII Marian Smoluchowski Symposium on Statistical Physics (Smoluchowski Symposium),

14-17 September 2015, Kraków, Poland. - G. Siudem, G. Świątek Exotic Fixed Points of the Belief Propagation Algorithm

European Conference on Complex Systems (ECCS'14), 22-26 September 2014, Lucca, Italy. - G. Siudem, J. A. Hołyst Diffusion and entropy production for multi-networks

with fitness factors, European Conference on Complex Systems (ECCS'13),

16-20 September 2013, Barcelona. - G. Siudem, Partition function of the perfect gas of clusters model for interacting fluids,

38th Conference of the Middle European Cooperation in Statistical Physics (MECO38),

25-27 March 2013, Trieste, Italy.

Online Since September 2012. :)