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Macaulay2 website
Complexes
::
Towards computing in the derived category
Towards computing in the derived category
resolution(Complex)
-- minimal free resolution of a complex
resolutionMap(Complex)
-- map from a free resolution to the given complex
isShortExactSequence(ComplexMap,ComplexMap)
(missing documentation)
isQuasiIsomorphism(ComplexMap)
(missing documentation)
liftMapAlongQuasiIsomorphism(ComplexMap,ComplexMap)
(missing documentation)
connectingMap(ComplexMap,ComplexMap)
(missing documentation)
horseshoeResolution(Complex)
(missing documentation)
See also
Making chain complexes
-- information about the basic constructors
Making maps between chain complexes
-- information about the basic constructors
Basic invariants and properties
-- information about accessing basic features
Working with Ext
-- information about functorial properties
Working with Tor
-- information about functorial properties