User mariusz - MathOverflow most recent 30 from http://mathoverflow.net 2013-05-24T11:32:17Z http://mathoverflow.net/feeds/user/24581 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/60108/occurrences-of-cohomology-in-other-disciplines-and-or-nature/100104#100104 Answer by Mariusz for Occurrences of (co)homology in other disciplines and/or nature Mariusz 2012-06-20T09:27:34Z 2012-06-20T09:27:34Z <p>At a first glance the characterization of the structures you mention - "(co)homologies", appear to be easily interpreted as modal structures (i.e. as in modal logics), or labelled transition systems, widely used in computer science.</p>