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LASV
  • Member for 9 years
  • Last seen more than a week ago
9 votes
Accepted

Does "locally connected and path-connected" imply locally path-connected?

9 votes
Accepted

Modules with no basis?

7 votes
Accepted

Why is $[0, 1] \cap \mathbb{Q}$ not compact in $\mathbb{Q}$?

7 votes

Why is the construction of the real numbers important?

7 votes

Is a diagonal matrix diagonalizable?

7 votes
Accepted

If $G$ contains normal subgroups of prime orders $p$ and $q$, then $G$ contains an element of order $pq$.

7 votes

Ideals in a Quotient Ring

7 votes

Showing the polynomial $x^4 + x^3 + 4x + 1$ is irreducible in $\mathbb{Q}[x]$.

7 votes

Prove $x + y$ is divisible by $11$. Is my solution correct?

6 votes

I almost quit self-studying mathematics, but should I continue?

6 votes

Prove $f(x)= e^{2x} + x^5 + 1$ is one to one

6 votes
Accepted

Does the sequence $A_n = \frac{\sin (n)}{\sqrt{n}}$ converge to $0$?

6 votes

Groups of prime squared order

5 votes

Prove a commutative ring with characteristic n has a subring isomorphic to $\mathbb{Z}_n$

5 votes

Why does p|4q also mean p|q if p is odd?

4 votes

smooth functions or continuous

4 votes

Find all possible abelian groups of order $120$.

4 votes
Accepted

For an ideal $J$ is it true that $J \circ J = J$?

3 votes
Accepted

How to check if $5$ is a square $\mod 701$ without a calculator

3 votes

Characteristic of a field $F$ is prime

3 votes

open subset of $(0,1]$

3 votes

Maximal ideals in the ring of Gaussian integers

3 votes

How to determine $[\mathbb{Q}(\sqrt{2}+\sqrt{-2}) : \mathbb{Q}(\sqrt2)]$

3 votes

Give examples of two non-isomorphic groups of order $n^2$

3 votes

Prove properties of $A^2 = -I$

3 votes

Simple Abstract Algebra Problem, which of the following are fields...

3 votes

find a degree and splitting field for $x^4-2$ over $\mathbb{Q}(i)$

2 votes
Accepted

Matrix power and its product

2 votes

What is the remainder?

2 votes

A question concerning derivatives