[Merged by Bors] - feat: basic definitions for Algebra.Homology.ShortComplex.LeftHomology#4388
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[Merged by Bors] - feat: basic definitions for Algebra.Homology.ShortComplex.LeftHomology#4388
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Co-authored-by: Scott Morrison <[email protected]>
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#4388) This PR develops notion of `LeftHomologyData` for a short complex involving two maps `f` and `g`, where homology is understood as a quotient (cokernel) of the kernel of the second map `g`. It also introduces the structure `LeftHomologyMapData` which will allow computations of induced maps on (left) homology. Co-authored-by: Joël Riou <[email protected]>
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This PR develops notion of
LeftHomologyDatafor a short complex involving two mapsfandg, where homology is understood as a quotient (cokernel) of the kernel of the second mapg. It also introduces the structureLeftHomologyMapDatawhich will allow computations of induced maps on (left) homology.