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Mathematics
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Loronegro's user avatar
Loronegro
  • Member for 12 years, 10 months
  • Last seen this week
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About

Professor and researcher at Universidad Autónoma Metropolitana, Mexico City.

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answer
14
Proving that the tensor product is right exact
Feb 3, 2012
question
7
Property of $\frac{\sum a_i}{\sum b_i}$ when $\frac{a_i}{b_i}$ is increasing
Feb 27, 2013
question
6
An equivalence relation on regions of the plane.
Feb 3, 2012
question
4
Is there a semisimple abelian category or a split abelian category with an infinite number of simple objects?
Nov 23
answer
4
Let $T: \mathbb{R}^3→\mathbb{R}^3$ be a linear transformation. Show that there is a line $L$ such that $T(L) = L$.
Mar 4, 2013
answer
3
Question about all the homomorphisms from $\mathbb{Z}$ to $\mathbb{Z}$
Feb 1, 2012
question
2
Almost continuous and almost cocontinuous functors
Mar 1, 2014
answer
2
Exercise on distributive module lattices
Feb 1, 2012
answer
2
The completion of a Boolean algebra is unique up to isomorphism
Feb 6, 2012
answer
2
Prove that $ \left(1+\frac a b \right) \left(1+\frac b c \right)\left(1+\frac c a \right) \geq 2\left(1+ \frac{a+b+c}{\sqrt[3]{abc}}\right)$.
Feb 25, 2013