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Marcos Cossarini's user avatar
Marcos Cossarini's user avatar
Marcos Cossarini's user avatar
Marcos Cossarini
  • Member for 13 years, 7 months
  • Last seen more than 1 year ago
  • Brazil
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About

I'm a graduate student at the Instituto de Matemática Pura e Aplicada (IMPA), Rio de Janeiro, Brazil. I previously studied mathematics at the Universidad de Buenos Aires (UBA).

email: marcossa

at email domain: impa dot br

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Top posts
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All Questions Answers
Score Newest
answer
28
Is every finite group a group of "symmetries"?
Feb 20, 2010
answer
28
Examples of mathematics motivated by technological considerations
Mar 10, 2010
answer
28
real symmetric matrix has real eigenvalues - elementary proof
Jan 12, 2013
answer
27
Can the unsolvability of quintics be seen in the geometry of the icosahedron?
May 27, 2014
answer
20
Why is a topology made up of 'open' sets?
Mar 27, 2010
question
16
Towards a metric characterization of Euclidean spaces
May 8, 2011
answer
15
The "Dzhanibekov effect" - an exercise in mechanics or fiction? Explain mathematically a video from a space station
Nov 27, 2011
answer
9
Why worry about the axiom of choice?
May 2, 2010
answer
9
Why are so few operations with arity bigger than 2?
Feb 5, 2012
answer
7
Does every ellipse inside a tetrahedron inside a ball fit in a triangle inside the ball?
Oct 3, 2012
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22
Why are $L_4$ and $L_5$ lagrangian points stable?

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