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MathGroup Archive 2005

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Re: Nested Commutators

  • To: mathgroup at
  • Subject: [mg58148] Re: Nested Commutators
  • From: "Shug Boabby" <Shug.Boabby at>
  • Date: Mon, 20 Jun 2005 05:21:23 -0400 (EDT)
  • References: <d90tqp$9di$><d938ml$7m8$>
  • Sender: owner-wri-mathgroup at

to steve: thats almost what i want... if this is a standard function,
how come it is not listed under a commutator heading in the mathematica
book 5 or the Commutator page at mathworld?

one small snag though... there appears to be no Jacobi routine for
terms such as:
    comm[X, comm[Y, comm[X, Y]]]
   -comm[Y, comm[X, comm[Y, X]]]
    comm[comm[X, comm[Y, X]], Y]
    comm[Y, [X, [X, Y]]]
so mathematica is unable to do simplifications

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