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# Questions

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### Are there good inequalities on the norm?

sep 18 10 at 14:53 Harald Hanche-Olsen 5,75011334

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228
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### existence of the extension of “derivation”

aug 30 11 at 18:06 Willie Wong 6,9872043

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105
views

### Toeplitz operator used to study the free group factors?

jun 25 11 at 16:51 Jiang 57737

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2
145
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### Restriction on the coefficients for an operator in the free group factor $L(\mathbb{F}_2)$

jun 29 11 at 18:47 Dave Penneys 2,285723

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2
512
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### Does a conditional expectation from a von Neumann algebra to its center exist?

nov 20 at 22:42 J. H. S. 2,4251231

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100
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### clarify a question in group cohomology

apr 12 at 19:49 Jiang 57737

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181
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### relation between polynomial $f$ and $\delta (f)$

mar 1 11 at 12:20 Jiang 57737

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201
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### results on the bound of some nonincreasing sequence? [closed]

jan 2 11 at 15:17 Jiang 57737

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120
views

### which class does this function belong to in the fast growing hierarchy?

sep 18 11 at 3:36 Jiang 57737

0