3,877 reputation
11345
bio website bruno.stonek.com
location Montevideo, Uruguay
age 24
visits member for 3 years, 6 months
seen 4 hours ago

Math student in Université Paris 13.


Oct
1
asked Square roots of $-1$ in quaternion ring
Sep
28
answered Why is any compact metric space the union of a countable set a subset which is a perfect space under the induced topology?
Sep
7
answered Finding $\lim\limits_{x \to \infty} \sqrt{9x^2+x} - 3x$
Sep
2
answered What's bad about left $\mathbb{H}$-modules?
Aug
31
asked Quotient objects, their universal property and the isomorphism theorems
Aug
20
asked Solutions of homogeneous linear differential equations are a special case of structure theorem for f.g. modules over a PID
Aug
6
asked Are the axioms for abelian group theory independent?
Jul
31
asked Normal closure of a radical extension is radical
Jul
17
asked Interpretation of a formula and truth
Jul
14
answered Can the indexing set of a cartesian product have the cardinality of the continuum?
Jul
13
answered What does “extend linearly” mean in linear algebra?
Jul
12
answered What is the set of all functions from $\{0, 1\}$ to $\mathbb{N}$ equinumerous to?
Jul
12
asked Models of hyperbolic geometry
Jul
8
answered Problem in understanding set theory
Jun
26
answered Why isn't the perfect closure separable?
Jun
25
asked Reference request: is mathematics discovered or created?
Jun
22
answered Reference for Algebraic Geometry
Jun
12
asked Equivalent conditions for a preabelian category to be abelian
Jun
7
asked For an integrable function $f$, do continuity conditions on its integral affect continuity of $f$?
May
14
answered If $\sum a_n b_n <\infty$ for all $(b_n)\in \ell^2$ then $(a_n) \in \ell^2$