Re: [fricas-devel] Clifford code

2010-02-01 Thread Bertfried Fauser
Hi Martin, > The use of the QuadraticForm domain did not add any functionality to the > CliffordAlgebra domain apart from enforcing the bilinear form to be symmetric. > So is there reason why we would want to re-introduce it? its just more > complexity and more overhead. If you understood my m

Re: [fricas-devel] Clifford code

2010-02-01 Thread Martin Baker
On Monday 01 Feb 2010 14:42:55 Bertfried Fauser wrote: > In term of Martin's Clifford package one can conclude: > -- Clifford elements are given in a Grassmann basis > -- There is a second Grassmann basis (dotted wedge) which allows to > 'absorb' any antisymmetric > part F. > -- W.r.t. a Grassm

Re: [fricas-devel] Clifford code

2010-02-01 Thread Bertfried Fauser
Dear Waldek, > Vertex Normalordering as a Consequence of Nonsymmetric Bilinearforms > in Clifford Algebras > > http://arxiv.org/pdf/hep-th/9504055 This is a bad source, it was one of my first papers on that subject and there are by now much better descriptions, eg: arXiv:math-ph/0212032 and arX

Re: [fricas-devel] Clifford code

2010-01-26 Thread Waldek Hebisch
Bertfried Fauser wrote: > I am currently totally absorbed with other things and will most likely > not have much > (any) time to look in detail into the code. What kind of thing was > that what you did not > understand about the paper (which paper by the way)? Perhaps I can at > least explain > wha

[fricas-devel] Clifford code

2010-01-24 Thread Bertfried Fauser
Dear Waldek and Martin, I am currently totally absorbed with other things and will most likely not have much (any) time to look in detail into the code. What kind of thing was that what you did not understand about the paper (which paper by the way)? Perhaps I can at least explain what the differe