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Does anybody know a software manipulating commutative differential graded algebras, and providing a computation of the minimal model? I tried to use the package DGAlgebras of Macaulay2, but I got several mistakes. For example the rational numbers are not allowed as ground ring, and the differential on a generator of a free CDGA is not allowed to be zero. Thanks

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Did you ask Yves Felix or Pascal? I have heard rumors of a probably like this written in C. Don –  Don Stanley Jun 26 '11 at 18:12

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