From: Jay R. Yablon on

"Don Stockbauer" <don.stockbauer(a)gmail.com> wrote in message
news:36853f80-e8cb-41ad-9251-ef0c190f1244(a)g26g2000yqn.googlegroups.com...
On Feb 23, 3:18 pm, "Jay R. Yablon" <jyab...(a)nycap.rr.com> wrote:
> Please take a look athttp://en.wikipedia.org/wiki/Lie_product_formula.
>
> Would this formula, which is stated to apply to NxN matrices, also
> apply
> to an infinite-dimensioned operator / matrix? Why or why not?

You failed to specify whether you mean the potential or the actualized
infinity.

Not sure what you are asking? What I have in mind is an unbounded
(infinite dimensional) potential operator. Jay