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John Roe had a nice blog :http://www.math.psu.edu/roe/ http://www.math.psu.edu/roe/ for things in non commutative geometry and else too ; but unfortunately, it's not up to date (you can still probably find good stuffs)

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John Roe had a nice blog :http://www.math.psu.edu/roe/ for things in non commutative geometry and else too ; but unfortunately, it's not up to date (you can still probably find good stuffs)