#16851: Implement direct sum and tensor products for chain complexes and Koszul
complexes
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Reporter: tscrim | Owner: tscrim
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: algebraic | Resolution:
topology | Merged in:
Keywords: | Reviewers:
Authors: Travis Scrimshaw | Work issues:
Report Upstream: N/A | Commit:
Branch: | 990c0dce6e53a005eb2b3cd44709379f5d7bf242
u/tscrim/koszul_complexes | Stopgaps:
Dependencies: |
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Comment (by tscrim):
Okay, now with a smarter algorithm for `cartesian_product` (it is probably
faster than before too, but I didn't check), we can now do
`KoszulComplex()`, `KoszulComplex(ZZ)`, `KoszulComplex([])`, and
`KoszulComplex(ZZ, [])` and get the same results (plus `KoszulComplex(QQ)`
works too), and other fixes based off your comments.
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Ticket URL: <http://trac.sagemath.org/ticket/16851#comment:8>
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