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MathGroup Archive 2005

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Re: Baker-Campell-Hausdorff

  • To: mathgroup at smc.vnet.net
  • Subject: [mg58123] Re: Baker-Campell-Hausdorff
  • From: "Shug Boabby" <Shug.Boabby at gmail.com>
  • Date: Sun, 19 Jun 2005 03:43:27 -0400 (EDT)
  • References: <d8u6m4$8a8$1@smc.vnet.net><d90tdu$9a0$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

cheers, i have already read this paper but unfortunately it does not
deal with the BCH as a commutator expansion (nor does the mathworld
page, incidentally)... and for high orders it is a very difficult job
to collect the commutator terms.

i was able to implement the above which was able to practically work to
about 20 orders in [another CAS]. i guess i'll just have to do the same
in mathematica and hope that someone has written a Commutator package


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