Tag
Left Derived Functor
2 resources tagged “Left Derived Functor” across the knowledge library.
2 items
Guide6 Aug 2026Derived FunctorsLeft and right derived functors, their construction from resolutions, the fundamental properties, and the axiomatic characterisation by universality.4 min readRead MoreGuide6 Aug 2026The Tor FunctorTor defined by projective resolutions, symmetry in its two variables, vanishing criteria, and the standard computations over the integers.4 min readRead More