Reputation
1,470
Next privilege 2,000 Rep.
Edit questions and answers
Badges
3 9 25
Impact
~8k people reached

  • 0 posts edited
  • 74 helpful flags
  • 2,079 votes cast
May
21
reviewed No Action Needed Counting Spanning Trees Needed to cover Edges
May
21
reviewed No Action Needed Number of different possible armies in Clash of Clans
May
20
comment Class of graphs with symmetric random walk
That's a reversible Markov chain, and it holds if the initial distribution is the invariant distribution. The kind of random walk you describe is always reversible for a finite connected graph.
May
20
reviewed Reviewed Prove $F(n) < 2^n$
May
18
reviewed No Action Needed How do I find the equation of given Venn diagram?
May
18
reviewed No Action Needed Limit integral w/ sine function
May
17
comment Proving Irreducibility of $x^4-16x^3+20x^2+12$ in $\mathbb Q[x]$
Do you know Gauss' Lemma?
May
16
comment In a commutative ring with identity, if $p$ is irreducible, is ($p$) a maximal ideal?
I will have to think about it
May
16
comment In a commutative ring with identity, if $p$ is irreducible, is ($p$) a maximal ideal?
In a general commutative ring $R$, $R/I$ is a field iff $I$ is maximal in $R$. So, what you are really asking is: if $(p)$ is maximal whenever $p$ is irreducible, is $R[X]$ a PID?
May
16
answered In a commutative ring with identity, if $p$ is irreducible, is ($p$) a maximal ideal?
May
14
reviewed Reviewed Mathematically, why was the Enigma machine so hard to crack?
May
14
reviewed No Action Needed Precedence of nested NOTs in boolean algebra
May
14
reviewed No Action Needed Simple question in Rank
May
14
reviewed No Action Needed norms of row matrices
May
13
reviewed No Action Needed Finite differences on a hexagonal/triangular lattice with Cartesian coordinates
May
13
reviewed No Action Needed Generalization of the Weierstrass M-test?
May
12
comment $A$ is normal matrix.If $A{A^T}$ has $n$ distinict eigenvalue,why $A$ is symmetric?
$A$ normal means that $AA^T=A^TA$. But $AA^T=A^TA$ does not imply $A=A^T$ in general.
May
10
awarded  Yearling
May
9
reviewed No Action Needed Trigonometry with quadrilateral and triangles
May
9
reviewed No Action Needed When is a matrix diagonalizable?