Ext -- compute an Ext module

Ways to use Ext :

• Ext(Ideal,Ideal), see Ext(Module,Module) -- total Ext module
• Ext(Ideal,Module), see Ext(Module,Module) -- total Ext module
• Ext(Ideal,Ring), see Ext(Module,Module) -- total Ext module
• Ext(Module,Ideal), see Ext(Module,Module) -- total Ext module
• Ext(Module,Module) -- total Ext module
• Ext(Module,Ring), see Ext(Module,Module) -- total Ext module
• Ext^ZZ(CoherentSheaf,CoherentSheaf) -- global Ext
• Ext^ZZ(CoherentSheaf,SheafOfRings), see Ext^ZZ(CoherentSheaf,CoherentSheaf) -- global Ext
• Ext^ZZ(SheafOfRings,CoherentSheaf), see Ext^ZZ(CoherentSheaf,CoherentSheaf) -- global Ext
• Ext^ZZ(SheafOfRings,SheafOfRings), see Ext^ZZ(CoherentSheaf,CoherentSheaf) -- global Ext
• Ext^ZZ(CoherentSheaf,SumOfTwists) -- global Ext
• Ext^ZZ(SheafOfRings,SumOfTwists), see Ext^ZZ(CoherentSheaf,SumOfTwists) -- global Ext
• Ext^ZZ(Matrix,Ideal), see Ext^ZZ(Matrix,Module) -- map between Ext modules
• Ext^ZZ(Matrix,Module) -- map between Ext modules
• Ext^ZZ(Matrix,Ring), see Ext^ZZ(Matrix,Module) -- map between Ext modules
• Ext^ZZ(Ideal,Matrix), see Ext^ZZ(Module,Matrix) -- map between Ext modules
• Ext^ZZ(Module,Matrix) -- map between Ext modules
• Ext^ZZ(Ideal,Ideal), see Ext^ZZ(Module,Module) -- Ext module
• Ext^ZZ(Ideal,Module), see Ext^ZZ(Module,Module) -- Ext module
• Ext^ZZ(Ideal,Ring), see Ext^ZZ(Module,Module) -- Ext module
• Ext^ZZ(Module,Ideal), see Ext^ZZ(Module,Module) -- Ext module
• Ext^ZZ(Module,Module) -- Ext module
• Ext^ZZ(Module,Ring), see Ext^ZZ(Module,Module) -- Ext module

For the programmer

The object Ext is a scripted functor.