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José Carlos Santos's user avatar
José Carlos Santos's user avatar
José Carlos Santos's user avatar
José Carlos Santos
  • Member for 7 years, 3 months
  • Last seen more than a month ago
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I am a mathematician who works at the University of Porto (Portugal). My PhD, on Representation Theory, was obtained at the Université Paris — Denis Diderot, in 1996.

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Why isn't there the possibility of closing a question for being off-topic?
Sep 10, 2021
question
3
Deleting the `f` tag
Aug 27, 2020
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186
Why not include as a requirement that all functions must be continuous to be differentiable?
182
Why was "An Update to our Community and an Apology" deleted?
130
Unexpected examples of natural logarithm
93
How can a "proper" function have a vertical slope?
90
Does an increasing sequence of reals converge if the difference of consecutive terms approaches zero?