athos's user avatar
athos's user avatar
athos's user avatar
athos
  • Member for 11 years, 11 months
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4 votes

Understand how to evaluate $\lim _{x\to 2}\frac{\sqrt{6-x}-2}{\sqrt{3-x}-1}$

2 votes
Accepted

If $p$ is an odd prime with primitive root $1<r<p$, is $r$ also a primitive root modulo $p^2$?

1 vote

Given a triangle ABC inscribed in the unit circle

1 vote
Accepted

intuitive explanation of Doleans exponential of Brownian motion

1 vote

Proof that the order of any finite $p$-group is a power of $p$

1 vote

Let $X$ be an infinite set. Prove $\exists f : X \rightarrow X$ s.t $\forall x \in X, \forall n > 0, f^n(x)\neq x$

1 vote
Accepted

How to solve $U_{n+1}=U_n+\frac{2}{n(n+2)}D_n, D_{n+1}=U_{n+1}+D_n$

1 vote

Rate of convergence for 'Law of large numbers'

1 vote

Brownian motion and adapted

1 vote

Proof Verification of the Primitive Element Theorem

0 votes
Accepted

Why a form is positive only if its matrix in some ordered basis is a positive matrix?

0 votes

Do asymmetric random walks also return to the origin infinitely?

0 votes
Accepted

Is filtration necessary for continuous random variables?

0 votes
Accepted

will $x_{n+1}=x_n/2$ if $x_n$ is even; otherwise $x_{n+1}=3*x_n+1$, will $x_n$ shrink to 1?

0 votes

Proving that the generator of $U$ is normal if $\forall u \in U, g\in G$ $gug^{-1} \in U$

0 votes

Is there an efficient way you can draw graceful tree for $n$ points and $n-1$ edges by hand?

0 votes
Accepted

Can Kolmogorov backward and forward equations hold at the same time?