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CowNorris
  • Member for 8 years, 7 months
  • Last seen more than a week ago
  • London, United Kingdom
5 votes
1 answer
575 views

Methods of finding the difference to the nearest integer?

4 votes
1 answer
677 views

$n$ vertex graph with more edges than its Turan number: $e(G) = t_r(n) + 1$

3 votes
2 answers
149 views

If $f$ is analytic and $f^{(k)}(z_0) \neq 0$ for some k, then $f(z) \neq 0$ for all $z \neq z_0$ in a disk centered around $z_0$

3 votes
1 answer
134 views

If $G$ is any n-vertex triangle free graph not containing a copy of $D_d$, then $e(G) \leq n(d-1)$

3 votes
4 answers
325 views

If $X$ is infinite, then there is no surjective map $f : X \rightarrow WO(X)$

2 votes
3 answers
609 views

Proving if L, M, N are subspaces of V, then $L \cap M + L \cap N \subseteq L \cap (M+N) $

2 votes
4 answers
143 views

If the sum of two $p$th powers is divisible by $p$, then it is divisible by $p^2$

1 vote
1 answer
1k views

Volume of revolution on an area crossing the axis

1 vote
1 answer
1k views

If $T:V \rightarrow V$ and $T^2 = T$ then $ImT \cap KerT = {0}$ [closed]

1 vote
1 answer
934 views

Calculating return time / showing null recurrence of discrete Markov chain

1 vote
1 answer
213 views

Connected planar graph with $n \geq 4$ vertices and $m$ edges, all edges in a cycle and no 2 3-cycles share an edge: show $m \leq \frac{12}{5}(n-2)$

1 vote
1 answer
376 views

Problem on graphs with more edge than a Turan number

1 vote
1 answer
418 views

Using the Euclidean algorithm to show that $\gcd(11k+7, 5k+3)=1$

0 votes
1 answer
76 views

Comparing the size of ordinals involving sums of $\omega$

0 votes
1 answer
623 views

Finding distribution to maximize entropy of a random variable subject to fixed mean

0 votes
1 answer
96 views

Discrete memoryless channel with 2 linearly dependent columns

0 votes
2 answers
1k views

Trivial Problem: Sum of 2 bilinear forms is also a bilinear form

0 votes
1 answer
951 views

Finding an orthogonal matrix P such that $P^tAP$ is diagonal

0 votes
1 answer
43 views

Proving the $\operatorname{Var}(X)$ of $X\sim N(0,1^2) = 1$?

0 votes
1 answer
42 views

Systems of equations - show there's no distinct solutions?

0 votes
2 answers
163 views

Matlab 3D plots

0 votes
1 answer
1k views

Methods of finding the line of intersection of two planes

-1 votes
1 answer
224 views

Link between $\lim \limits_{n \to \infty} (1+{1/n})^n$ and $\lim \limits_{n \to \infty} (1+{x/n})^n$

-1 votes
1 answer
66 views

Using EROs for proof of the fact that all subspaces of $R^2$ are lines through the origin