It is interesting approach to fundamentally replace the underlaying
language (logic) of physics.
Topos Quantum Theory
Christopher J. Isham
https://fqxi.org/grants/large/awardees/view/__details/2006/isham
*One important feature of topos theory is that a proposition such as "the
physical
> On 22 Sep 2020, at 19:49, Lawrence Crowell
> wrote:
>
> I downloaded Doering’s paper. In scanning this I see a mention of Chris
> Isham, who started this idea of Topos as a category system of physics.
>
Which is nice. Isham is also quite open for the “many-world”.
> I think in a way
> On 24 Sep 2020, at 13:20, Philip Thrift wrote:
>
> It is interesting approach to fundamentally replace the underlaying language
> (logic) of physics.
>
>
> Topos Quantum Theory
> Christopher J. Isham
>
>
> https://fqxi.org/grants/large/awardees/view/__details/2006/isham
>
>
> One
The τ = θ/2π + 4πi/g^2 contains elements that are both Lie algebraic and
Jordan. The Jordan algebra connects with the E8 and the Jordan matrix
algebras, in particular J^3(O). These have the property of a
multiplication X°Y = ½(XY + YX) , which is how we think of classical
variables. For this
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