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Piero D'Ancona's user avatar
Piero D'Ancona's user avatar
Piero D'Ancona's user avatar
Piero D'Ancona
  • Member for 14 years, 5 months
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answer
88
Examples of interesting false proofs
Apr 22, 2012
answer
81
Generalizing a problem to make it easier
Sep 26, 2010
answer
44
Examples of advance via good definitions
Mar 2, 2017
answer
39
The role of completeness in Hilbert Spaces
Aug 18, 2010
answer
25
Motivation for and history of pseudo-differential operators
Mar 22, 2011
answer
25
Facts from algebraic geometry that are useful to non-algebraic geometers
Aug 23, 2010
question
23
Trapped rays bouncing between two convex bodies
Sep 10, 2010
question
21
A question on the integral of Hilbert valued functions
May 24, 2011
answer
21
Dual of the space of Hölder continuous functions?
Apr 10, 2012
answer
19
Should one attack hard problems?
Mar 11, 2013