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2021-08-15 00:15:24 +0200 commented answer Testing whether a list of permutations avoids two permutations

Oh, you were faster...

2021-08-15 00:13:31 +0200 answered a question Testing whether a list of permutations avoids two permutations

You can use pure Python and avoids (see documentation) for a direct implementation: sage: P = Permutations(5) sage: pi_

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2021-08-14 12:45:22 +0200 answered a question Is there a way to define a submanifold of a Euclidean space by providing a list of implicit constraints, instead of by declaring a separate manifold and explicitly defining the embedding?

It might be of your interest that Matthias Koeppe is currently working on a refinement of the manifold's subset implemen

2021-08-14 12:32:58 +0200 edited answer Vector/Algebra valued differential forms

Thank you for your interest. Unfortunately, vector-valued differential forms are not supported yet. Nevertheless, I had

2021-08-14 12:32:40 +0200 edited answer Vector/Algebra valued differential forms

Thank you for your interest. Unfortunately, vector-valued differential forms are not supported yet. Nevertheless, I had

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2021-08-14 12:32:05 +0200 edited answer Vector/Algebra valued differential forms

Thank you for your interest. Unfortunately, vector-valued differential forms are not supported yet. Nevertheless, I had

2021-08-14 12:29:45 +0200 answered a question Vector/Algebra valued differential forms

Thank you for your interest. Unfortunately, vector-valued differential forms are not supported yet. Nevertheless, I had

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2020-07-12 01:48:31 +0200 commented question Why doesn't '==' or '!=' work for mixed forms?

I already started an attempt to fix this: https://trac.sagemath.org/ticket/30108. Until this is resolved, you can use ==. This works fine.