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javier
  • Member for 15 years, 1 month
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I am a lecturer (teaching fellow) at University College London.
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answer
63
What is the field with one element?
Oct 24, 2009
question
51
Invertible matrices over noncommutative rings
Nov 16, 2011
answer
23
Non-commutative algebraic geometry
Dec 6, 2009
answer
21
Computing the Galois group of a polynomial
Apr 29, 2010
answer
19
What are dessins d'enfants?
Oct 22, 2009
answer
18
What is a deformation of a category?
Nov 13, 2009
answer
17
What's a groupoid? What's a good example of a groupoid?
Oct 22, 2009
question
14
Anything going on for a mathematician stuck at New York?
Apr 17, 2010
answer
9
What's so great about blackboards?
Nov 18, 2009
answer
8
How to teach addition of negative numbers?
Dec 5, 2009