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From: Toby Bartels <toby+categories@math.ucr.edu>
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Subject: Re: quantum logic
Date: Wed, 22 Oct 2003 13:14:38 -0700
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Michael Barr wrote:

>For Banach spaces, if you take as underlying functor the closed unit ball,
>it has an adjoint.  It is not tripleable, however, but C^*-algebras are
>(with the unit ball underlying functor).

OK, that's a good point.  I agree (with the L-1 norm on the free space).


-- Toby