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Maffred
  • Member for 8 years, 6 months
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9 votes
2 answers
728 views

Ring of Invariants of $A_3$

8 votes
1 answer
285 views

Weird Invariant of Finite Reflection Groups

7 votes
0 answers
154 views

$Mat_{ \infty,n }(\mathbb C)$ of max rank is contractible

6 votes
1 answer
330 views

$P(X) = X^6 - 11X^4 + 36X^2 - 36$ has a root in $\mathbb{Q}_p$ for every $p$

6 votes
1 answer
590 views

Bezout in $\mathbb C [x,y]$ [duplicate]

5 votes
1 answer
777 views

Show that $\int_{\partial P}z\frac {f'(z)} {f(z)} dz $ is on the lattice $\Lambda$

5 votes
1 answer
136 views

Poles and Zeros on $C=\{[X,Y,Z] \in \mathbb P^2\mathbb C \mid X^4 + XY^3 + Z^4=0\}$ of $f=\frac X Z$.

5 votes
1 answer
784 views

Vector Field on the $n$-dimensional torus

4 votes
1 answer
830 views

Eilenberg-MacLane Spaces $K(G,n)$: Construction!

4 votes
1 answer
1k views

Extend a map over a $n+1$-cell IFF $f_nϕ$ is nullhomotopic.

4 votes
1 answer
51 views

$SL(n, \mathbb C)$ Critical Point in a representation

4 votes
3 answers
238 views

Variance of $T_n = \min_i \{ X_i \} + \max_i \{ X_i \}$

3 votes
0 answers
133 views

On zero-sum integer vectors with decreasing coefficients

3 votes
2 answers
865 views

Why is the Complete Flag Variety an algebraic variety?

3 votes
1 answer
67 views

Metric on $V \otimes V$

3 votes
1 answer
43 views

Trivial representation of $SL_n$ in $V(\alpha_1)\otimes \cdots \otimes V(\alpha_m)$

3 votes
1 answer
3k views

Determinant of Skew-Symmetric Matrices

3 votes
1 answer
59 views

Let $U_n$ be the subset of $2\times2$ matrices $M_2(\mathbb C)$ such that $T^n=I$

3 votes
1 answer
541 views

Long Exact sequence of Relative Homotopy Groups: examples and applications

3 votes
0 answers
124 views

Degree of the Divisor of a Theta Function

3 votes
0 answers
210 views

Trichotomy of Ordinals. Is $K$ a set?

3 votes
2 answers
104 views

Trivial loop on the $1$-Skeleton

3 votes
2 answers
107 views

Minimum of $F$ over Finite Perimeter Sets in $\mathbb R^N$

3 votes
1 answer
335 views

Japanese Multiplication: 日本の掛け算

3 votes
5 answers
135 views

Does $\sum_{n=1}^{\infty}\frac{1}{\sqrt{1}+\sqrt{2}+\cdots+\sqrt{n}}$ converge? [duplicate]

2 votes
0 answers
85 views

$\mathbb C^{\infty}\setminus\{0\}$ retracts on $S^{\infty}$ [closed]

2 votes
0 answers
132 views

Singular Schubert Variety in $Fl_4(\mathbb C)$

2 votes
1 answer
99 views

Combinatorics of Coxeter Groups and lenght function

2 votes
0 answers
73 views

Kazhdan-Lusztig polynomials of a Dihedral group $D_n$

2 votes
1 answer
244 views

$Y_n$ limited in probability and $X_n \to 0$ in probability $\implies X_nY_n \to 0$ in probability