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Questions
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How to prove that $e^{zw}$ can not be written as a rational expression in functions in $z$ and in $w$?

apr 18 11 at 10:44 francis-jamet 461●2●10

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11
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5
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Existence of a smooth function with nowhere converging Taylor series at every point

nov 22 11 at 5:59 Bruce Blackadar 429●2●5

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Applications of fusion systems

aug 16 10 at 4:19 Jack Schmidt 7,375●1●19●35

 
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When is the ring of invariants of a finite group generated by symplectic reflections a complete intersection ring?

aug 18 10 at 17:35 zamanjan 475●4●9

 
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1
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Question about the square of the Jacobson radical

dec 1 10 at 8:00 Bruce Westbury 6,635●2●10●25