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Hi Benjamin,

Thanks for the reference. I had already gone through that, however it does not define the module when you know the generators. (The explicit way Singular does.)

The only workaround I could think within sage (mainly from the pages you mentioned), was to define the homomorphism into the free module. (Something like we do for computing resolution.) But that of course is very tedious as you know.

Do let me know if there is any better way!

Thanks and regards

VInay