IT: I've been programmer, architect and now I manage and assess ICT projects. Main topics: OS [Win*, Unix-like (AIX)], development [C (89/99/Win32), C++, C#, Fortran (90/95/2003), Python (2.*, 3.*), Java], scientific computation [(La)TeX, Matlab, MPI], web (Javascript, Xml, Html4/5, Css), management (CMMI, ITIL), data science (Pandas).
Writing: technical reports, feasibility studies, scientific papers, popular science papers and books, scientific books.
Mathematics: research level expertise in pure and applied mathematics, practitioner experience in applied math (mainly mathematical modelling). Main topics: differential geometry, Lie groups and Lie algebras, Hamiltonian mechanics, funct...