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Digests
Tsemo Aristide
Toronto, Canada
I am a teacher at Toronto district school board
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Top Questions
8
votes
What can be the applications of a theory of schemes à la Grothendieck to the category of groups?
ag.algebraic-geometry
gr.group-theory
ct.category-theory
asked Aug 2 '17 at 10:47
mathoverflow.net
7
votes
Quadratic algebras, quadratic operads, quadratic categories and quantum cohomology
ct.category-theory
ra.rings-and-algebras
homological-algebra
qa.quantum-algebra
quantum-groups
asked Feb 25 '18 at 15:50
mathoverflow.net
5
votes
Foliations and locally free action of $\mathbb{R}^{n-1}$
dg.differential-geometry
ds.dynamical-systems
foliations
asked Sep 13 '20 at 20:49
mathoverflow.net
Top Answers
28
If $f(x) \in \mathbb{Q}[x]$ is irreducible, then is $f(x^2)$irreducible?
math.stackexchange.com
20
Group cohomology and condensed matter
mathoverflow.net
17
Why is a unique Sylow p-subgroup normal?
math.stackexchange.com
15
Is it possible to find an uncountable number of disjoint open intervals in $R$?
math.stackexchange.com
14
Let $a,b,c$ be the roots of $x^3 - x - 1= 0$ find $a^5 + b^5 + c^5$
math.stackexchange.com
13
How to calculate the rank of a matrix?
math.stackexchange.com
13
What is an example of infinite dimensional subspace that is not closed?
math.stackexchange.com
13
Is the set of all Irrational Numbers a ring or a field?
math.stackexchange.com
13
Is a continuous function between two uniformly continuous functions uniformly continuous?
math.stackexchange.com
13
If $X$ is a non-compact metric space, can $X^n$ ever be compact?
math.stackexchange.com
12
Hahn-Banach theorem for arbitrary locally compact fields?
mathoverflow.net
12
Closed $3$-manifold, $2$-dimensional subbundle of this manifold, is this form exact or not?
mathoverflow.net
12
Euler characteristic of a connected sum of surfaces.
math.stackexchange.com
12
Infinite group acts on a set such that an orbit of any length exists.
math.stackexchange.com
12
Are complex numbers two dimensional or one dimensional?
math.stackexchange.com
11
Do smooth manifolds admit linear atlases?
mathoverflow.net
10
quotient space of Eilenberg-MacLane space
mathoverflow.net
10
On a parallelizable manifold, is there always a frame satisfying $[X_i,X_j]=0$?
mathoverflow.net
10
A $\mathbb{R}^{n}$ -fiber bundle which do not admit a n-dimensional vector bundle structure
mathoverflow.net
10
Proof of “$L$ / Rad$L$ is semisimple for arbitrary Lie algebra L”.
math.stackexchange.com
10
$\lim\limits_{x \to 0} \frac{\tan(mx)}{\tan(nx)} =$?
math.stackexchange.com
10
An abelian group $G$ with ${\rm Aut}(G)$ non-abelian
math.stackexchange.com
10
Why is this set not a manifold?
math.stackexchange.com
10
The limit of a sequence $u_{n+1}=\exp(u_n)+u_n$
math.stackexchange.com
10
Group of prime with identity two possible?
math.stackexchange.com
10
Prove that $U=\{x \in X\mid d(x,A)<d(x,B)\}$ is open when $A$ and $B$ are disjoint
math.stackexchange.com
9
Extreme Value Theorem on Manifold
math.stackexchange.com
9
Why is a gradient field a special case of a vector field?
math.stackexchange.com
9
Division ring if and only if it has no proper left ideals.
math.stackexchange.com
9
Prove that 1. $\kappa(x,y)$ is a symmetric bilinear form? 2. $\kappa([x,y],z)=\kappa(x,[y,z])$
math.stackexchange.com
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