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MacNeille completion for posets with Sage

asked 2022-02-22 18:02:57 +0200

klaaa gravatar image

updated 2022-02-22 18:03:15 +0200

The Macneille completion of a poset can be calculated with sage using the command completion_by_cuts()

Question: Is there a way to see an explicit embedding of a poset P into its MacNeille completion using Sage?

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answered 2022-02-25 19:39:18 +0200

Max Alekseyev gravatar image

I believe an element p of P is mapped to frozenset(P.order_filter([p])) in P.completion_by_cuts().

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Asked: 2022-02-22 18:02:57 +0200

Seen: 33 times

Last updated: Feb 25