Matrix Theory and Noncommutative Geometry

[kneemo]

Greetings All

I've just finished reading

D-branes, matrix theory and K-homology
hep-th/0108085

where spectral triples are proposed for the IIA and IIB string
theories. As this is an older paper (2002), how are spectral triples
currently defined in matrix theory? (i.e., which C*-algebra, Hilbert
space, and self-adjoint unbounded operator are used?)

Thanks,
Mike


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kneemo
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