Geodesic
Jan Poleszczuk – the Winner of the Polish Mathematical Society’s Prize
Mathematica Applicanda, Tome 40 (2012) no. 1, pp. 127-130.

Voir la notice de l'article provenant de la source Annales Societatis Mathematicae Polonae Series

Jan Poleszczuk was born on 19th of October 1986 in Warsaw in a family of humanists. His parents and older brother are sociologists. Maybe a little out of contrariness he decided to study mathematics. However, it is possible that he was influenced by his father's fascination with statistical tools. Choosing a bachelor's seminar he decided to combine ''tradition with modernity'', registered for ''Biomathematics and Game Theory'' and his first idea was to use Lesli matrices, which are typically used in sociology, to model tumours dynamics. However, going into details he figured out that this type of description is not proper, because Lesli models consider subsequent generations, while the tumour growth is a continuous process. Therefore, the approach of differential equations should be better. He became interested in new results concerning the process of tumour angiogenesis (i.e. formation of new blood vessels from existing ones), which showed that the vessels have the wrong structure, contributing for example to non-uniform distribution of drugs application. Encourageing by his supervisor, Urszula Foryś (who is still his supervisor of PhD), he proposed his own model, which was presented at XIV National Conference of Applications in Biology and Medicine (2008) in Leszno. His report ''A model of tumour development taking into account angiogenesis pathology'' aroused great interest among the foreign researchers present in the conference, among them prof. Marek Kimmel, prof. Urszula Ledzewicz (both from USA) and Dr. (now prof.) Anna Marciniak-Czochra from Heidelberg. Presentation by J. Poleszczuk (he prepared and trained to make it perfect in time!) made such an impression that everyone thought that he presented a preliminary PhD thesis. Results concerning this stage of research has been published. 
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Urszula Foryś. Jan Poleszczuk – the Winner of the Polish Mathematical Society’s Prize. Mathematica Applicanda, Tome 40 (2012) no. 1, pp.  127-130. doi : 10.14708/ma.v40i1.289. http://geodesic.mathdoc.fr/articles/10.14708/ma.v40i1.289/

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