[GAP Forum] multiplication of Lie objects in GAP
Alexander Konovalov
alexk at mcs.st-andrews.ac.uk
Fri Feb 8 12:25:01 GMT 2013
Dear Jianrong,
GAP 4.6.2 which was just announced in the GAP Forum, has a new attribute
'UnderlyingRingElement'. If x and y are Lie objects, then the 'usual'
multiplication may be computed with
UnderlyingRingElement(x)*UnderlyingRingElement(y)
(note that the result will NOT be a Lie object).
Hope this helps,
Alexander
On 1 Jan 2013, at 14:04, 李建荣 wrote:
> Dear Forum,
>
> I have a Lie algebra A whose basis is given by matrices explicitly. When I create the algebra A, the matrices in the basis of A are denoted by LieObject... Let x, y in the basis of A. It seems that x*y is the same as [x, y]. How could I compute the usual multiplication of x and y? Thank you very much.
>
> With best wishes,
> Jianrong.
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