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The ** CIP ** is a working group,
in the CALIN team (Combinatorics Algorithmics and INteractions) of the LIPN
(Laboratoire d'Informatique de l'Université Paris Nord).

Seminars usually take place in room B107 each Tuesday at 10h30 and 14h30.

In 2001, we created at the LIPN a workshop **Combinatorics, Informatics and Physics**
because it seemed essential to gather all the collaborations we had on these three intertwined themes at Rouen (Informatics), Marne-la-Vallée (Combinatorics), Jussieu (Physics). The LIPN benefited from a CNRS grant in order to develop this subject (ATIP young reaserchers in 2001 and 2002).

This workshop became in 2002 the CIP seminar (Combinatorics, Informatics et Physics, with D. Barsky, C. Tollu, F. Toumazet et G. H. E. Duchamp de P13) in complement to the following workshops: (at that time) CSCA (in Rouen) and Algebraic Combinatorics (in Marne-la-Vallée). This seminar enables the creation of links with the LPTMC (Laboratoire de Physique théorique des Liquides, Paris VI).
The goal of our team is to develop theoretical: mathematical (algebra, analysis, geometry, probabilities, logic), informatical (language theory, automates, grammaires, implementation,etc) and physical (classical and quantum theory, quantum optics, statistical mechanics etc) as well as practical (applied or ?, engineer sciences, complex systems in informatics) tools in consultation with experts (information, discussion, verification) in order to make the discussion fruitful (method transfer, experimentation sessions, "ansatz", etc ...).

The two sessions each Tuesday (CIP-CAPC (Algebraic combinatorics and Combinatorial Physics) and CIP-EFAG (Functionnal Spaces, Automates and Graphs)) (that come with the "A lecture, a workshop" and the Junior days) are in complement to each other, not only by their respective subjects but also by their dynamics. These ideas are precised in this site.