Ayşe Erzan 
Professor, Department of Physics (retired)
Member, Bilim Akademisi
Istanbul Technical University, Faculty of Sciences and Letters 
Department of Physics, Maslak 34 469, Istanbul 
Tel  : 090-212-285 3277 
Fax : 090-212-285 6386 
e-mail: erzan@itu.edu.tr


Current research interests 

·        Biological Networks

  • Non-adaptive complexity in biological systems
  • Critical phenomena and field theoretic renormalization group  on arbitrary networks

Curriculum Vitae

Some recent papers

Balcan, D. and Erzan, A. "Random model for RNA interference yields scale free network, " q-bio.GN/0310027, Eur. Phys. J.- B 38, 253-260 (2004)


D. Balcan and A. Erzan, "Dynamical real-space renormalization group calculations with a new clustering scheme on random networks, " cond-mat/0408619, Phys. Rev. E. 71, 026130 (2005).


M. Mungan, A. Kabakçıoğlu, D. Balcan and A. Erzan, "Analytical Solution of a Stochastic Content Based Network Model " q-bio.MN/0406049, J. Phys. A, 38, 9599-9620 (2005).


A.H. Bilge, A. Erzan and D. Balcan, "The shift-match number and string matching probabilities for binary sequences, " q-bio. GN/0409023.

Y. Şengün and A. Erzan, "Hydrophobic chains near hydrophobic surfaces – simulations in three dimensions, " J. Phys.: Condensed Matter 17, S1183-S1194 (2005).


Y. Şengün and A. Erzan, “Content based network model with duplication and divergence,” q-bio.MN /0510022, Physica A 365, 446-462 (2006).

D. Balcan, A. Kabakçıoğlu, M. Mungan, and A. Erzan, “The Information Coded in the Yeast Response Elements Accounts for Most of the Topological Properties of Its Transcriptional Regulation Network PLoS ONE 2, e501. doi:10.1371/journal.pone.0000501. (2007)


D. Balcan and A. Erzan, “Dynamics of content based networks,” V. N. Alexandrov et al. (Eds.): ICCS 2006, Part III, LNCS 3993, pp. 1083-1090 (Springer-Verlag, Berlin 2006).

D. Balcan and A. Erzan, “Content-based networks: a pedagogical overviewChaos 17, 026108 (2007).


B. Malkoç, D. Balcan, A. Erzan,  “Information content based model for the topological properties of the gene regulatory network of E. coli J. Theor. Bio., 203, 281-294 (2010).  (click to download  Supplement  )


M. Erbudak, A. Erzan, “Tracking tumor evolution via prostate-specific antigen: an individual post-operative study,” Theoretical Biology and Medical Modelling 7:30 (2010)


E. Aygün, A. Erzan, “Spectral Renormalization Group theory on NetworksJ. Phys. Conf. Ser. 319, 012007 (2011)


G. Arpağ, A. Erzan, “An ensemble approach to the evolution of complex systems,” J. Biosciences 39, 259-280 (2014).


B. Danacı, M.A. Anıl, A. Erzan, “Motif statistics of artificially evolved and biological networksPhys. Rev. E 89, 062719 (2014).


Past Courses

Biologically Motivated Problems in Statistical Physics Fiz447E   

İstatistiksel Fizik ve Termodinamik II  Fiz 414  

Special topics in highly correlated systems (Spin glasses) Fiz 613E

Statistical Physics Fiz 502E

Evrensellik, Ölçeklenme, Dalgalamalar (Universality, Scaling and Fluctuations) Fiz 621


Other interests:

Women in Science IAC report 

Science and ethics

“Ders kitabı yazımının zorlukları ve yayın adabı üzerine” (biraz kısaltılmış bir sürümü Cumhuriyet Bilim Teknik, 25.9.2009’de yayınlanmıştır)

“Towards common values of the world research area: autonomy, responsibility and the humanitarian tradition” summation at ALLEA meeting on Advice and Autonomy, Amsterdam, May 2005.

Science and society

Making the invisible scientist visible – 2008 APS March meeting, Forum on International Physics