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Andrew Maurer's user avatar
Andrew Maurer's user avatar
Andrew Maurer's user avatar
Andrew Maurer
  • Member for 11 years, 6 months
  • Last seen more than 2 years ago
35 votes
Accepted

Cryptography and Coding Theory

13 votes
Accepted

Homeomorphism of the real line-Topology

11 votes
Accepted

Verifying the examples of Dual Space

9 votes
Accepted

An abelian group is not isomorphic to an non-abelian group.

8 votes

What is an additive group?

8 votes

Is every field the field of fractions for some integral domain?

7 votes

Are rings with the same finite cardinality isomorphic?

7 votes

Strong Induction: Example Using All of P(1) and … and P(k - 1) and P(k) to Prove P(k + 1)

7 votes

Why do some people use $+\infty$ instead of $\infty$?

5 votes

Using Fermat's Little Theorem Prove if $p$ is prime, prove $1^p + 2^p + 3^p +...+(p-1)^p \equiv 0 \bmod{p}$

5 votes

How do I prove whether something is a Euclidean domain?

5 votes

Summable enumerations of $\Bbb Q$

4 votes
Accepted

A matrix without cube root

4 votes
Accepted

Having trouble finding the correct substitution for this integral.

4 votes

What exactly is infinity?

3 votes

Proving that $(A \cup B) \cap \overline{(A \cap B)} = (A \cap \overline{B}) \cup (\overline{A} \cap B) $

3 votes

How to prove that $\mathbb R [x]$ is a UFD

3 votes
Accepted

Linear Transformations on Function Spaces

3 votes
Accepted

Algebraic Closure terminology doubt

3 votes

Plücker Relations

3 votes
Accepted

Construction of the completion of a measure space

2 votes

H0w t0 prove that periodic decimal numbers are rational? $a_1...a_k(b_1b_2..b_l)={m \over n}$

2 votes
Accepted

Expressing hyperbolic functions in terms of $e$.

2 votes
Accepted

Is metrizability preserved by continuous mapping?

2 votes
Accepted

For any two Ideals $A$ and $B$,$A+B=\langle A \cup B \rangle$

2 votes

How do you define Dimensions in general?

2 votes
Accepted

Need clear up on subgroup and quotient group

2 votes

Give an example of a sequence of real numbers with subsequences converging to every real number

2 votes

How can I know how many real roots this polynomial has?

2 votes
Accepted

any two simply connected open set in the plane R^2 are diffeomorphic