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| 2019-05-05 22:52:33 +0200 | commented answer | Monomial coefficients in a PBW basis Thanks a lot for your answer and sorry for the delay. It seems what I was looking for, I'll look at it more carefully tomorrow. |
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| 2019-05-03 18:33:50 +0200 | asked a question | Monomial coefficients in a PBW basis Hi, I'm using the PBW basis. I can't add a link but one finds it easily by googling "PBW basis sage". I have to multiply a lot of monomial and store their coefficients. So given a PBW monomial and an expression, is there a command which can give me the corresponding coefficient, i.e something like coefficient(degrees) but in the Lie algebra setting, where the monomials are PBW monomials ? Thanks in advance. |
Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.