Rubertos's user avatar
Rubertos's user avatar
Rubertos's user avatar
Rubertos
  • Member for 11 years, 4 months
  • Last seen more than 1 year ago
4 votes

Sequence's Limit when it goes to infinity

4 votes
Accepted

A simple group such that $[G:H]=n$ can be embedded into $A_n$

3 votes

I'm wondering why is this statement true?

3 votes

Why does it mean that $n$-th variable is removable?

3 votes
Accepted

If integrals are the same over every measurable set, then two functions are equal a.e.

3 votes

Volume of a k parallelopiped

2 votes

Stuck in Tao’s proof for Kolmogorov extension theorem

2 votes
Accepted

Show that for sequence of independent random variables $X_1,X_2,...$ $\sum_{i=1}^\infty X_i$ either converges or diverges almost surely

2 votes

Let $E \supset F \supset G$ and $G = E^{\rm{Aut}(E/G)}$. Then is it true that $F = E^{\rm{Aut}(E/F)}$?

2 votes

Why does this set a compact?

2 votes
Accepted

How to solve modular equations

2 votes
Accepted

A basic question about eigenvalue

2 votes

Real analysis and Topology book recommendetion

2 votes
Accepted

Show the limit exists almost every where

2 votes

eigenvalues of $g(A)$

2 votes
Accepted

When indexing set is empty, how come the union of an indexed family of subsets of S is an empty set?

2 votes

Given matrix A. To find $A^{2010}$

2 votes

Spectral theorem for unitary operators T o F

2 votes
Accepted

Show that $| e^{-2\pi ixh} - 1|< \epsilon$ when $h$ is small

1 vote

what is the condition on coefficients of a polynomial to converge to zero uniformly on real line?

1 vote

Definition of differentiability classes

1 vote

Proofs of Liouville Theorem

1 vote
Accepted

Cartesian product to direct sum

1 vote

What is a set of bijections?

1 vote

Necessary and sufficient condition for Integrability along bounded variation

1 vote

$(X,\mu , \mathcal F)$ be measure space , $f:X\to\mathbb R$ be non-negative integrable function , then is $m(A):=\int_A f d\mu$ countably additive?

1 vote

Problem on $\sigma$-algebra from Rudin

1 vote

Determine whether the limit exists and justify answer

1 vote

For any rng $R$, can we attach a unity?

1 vote
Accepted

Distance between two compact sets and a counterexample when these two are only closed