4,111 reputation
21647
bio website bruno.stonek.com
location Montevideo, Uruguay
age 25
visits member for 3 years, 9 months
seen 13 hours ago

Math student in Université Paris 13.


Nov
14
answered In a complete perfect metric space, transitive distance-preserving maps are minimal
Nov
13
asked In a complete perfect metric space, transitive distance-preserving maps are minimal
Nov
12
asked How to prove that two dilations of $\mathbb R^n$ are conjugate?
Nov
11
answered Criterion for proving flatness
Nov
7
answered What are the most overpowered theorems in mathematics?
Nov
4
asked Interpreting results concerning the global sections ring being finitely generated
Nov
3
asked Does inclusion of an affine open into an affine scheme correspond to restriction?
Nov
3
asked Can gluing of morphisms of locally ringed spaces be expressed by an exact sequence?
Nov
2
asked Hartshorne, exercise II.2.18: a ring morphism is surjective if it induces a homeomorphism into a closed subset, and the sheaf map is surjective
Nov
2
answered Good Pairs in Algebraic Topology
Nov
1
asked Does Proj induce some equivalence of categories involving graded rings?
Oct
31
asked If $f^n$ is mixing then $f$ is mixing?
Aug
19
answered Construction of a Hausdorff space from a topological space
Jul
26
answered Can any torsion free abelian group be embedded in a direct sum of copies of $\mathbb Q$?
Apr
16
answered Is vector subtraction commutative?
Apr
16
answered Lie bracket of vector fields and differential of diffeomorphism in its definition
Apr
16
answered There is an orthogonal projection of a subspace onto a canonical subspace that is an isomorphism
Apr
15
answered Does the gradient always point outward of a level surface?
Apr
15
asked There is an orthogonal projection of a subspace onto a canonical subspace that is an isomorphism
Mar
24
asked Does a diffeomorphism between the interiors of two manifolds extend to the manifolds?