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CategoryTheory 0.9.1 Released

Any Z – module homomorphism f from A to B defines natural transformation from Hom(-,A) to Hom(-,B) functor. The same is true for Hom(A,-), Ext(-,A), Ext(A,-) and also Tor and tensor product functors. New release contains calculation of these natural transformations.


1) Development of simplicial category support.
2) Development of homotopic category support.

Objects of homotopic category will include homotopy invariants and relations between them. The invariants include homotopic groups, (co)homology, cobordisms, K – theory, etc. Relations include characteristic class, Gurevich homomorphism, natural transformations between different (co)homology theories.

Posted by 3D-Monster 2006-03-19