Chris Leary's user avatar
Chris Leary's user avatar
Chris Leary's user avatar
Chris Leary
  • Member for 13 years, 5 months
  • Last seen this week
50 votes

What made you choose your research field?

20 votes

Give an example of a noncyclic Abelian group all of whose proper subgroups are cyclic.

16 votes

Does $G\cong G/H$ imply that $H$ is trivial?

14 votes

How do you respond to "I was always bad at math"?

11 votes
Accepted

If $b_n$ is a bounded sequence and $\lim a_n = 0$, show that $\lim(a_nb_n) = 0$

8 votes

Why do people use "it is easy to prove"?

7 votes

If $x^3 =x$ then $6x=0$ in a ring

6 votes

What are applications of number theory in physics?

6 votes

What's the goal of mathematics?

6 votes

Problem books in higher mathematics

6 votes

Finite Sets, Equal Cardinality, Injective $\iff$ Surjective.

5 votes

Stuck on integrating $\int \frac{e^x}{e^{2x}-1}dx$

5 votes

Reference request: an introduction to Galois theory (without group/ring theory)

5 votes

Divergent series and $p$-adics

5 votes

Factoring the quintic polynomial $x^5+4x^3+x^2+4=0$

4 votes

Can someone explain ideals to me?

4 votes

If $\gcd(a,b) = 1$ and $a,b\mid x$ then $ab\mid x$.

4 votes
Accepted

A doubt about Proposition $27$ in textbook Algebra by Saunders MacLane and Garrett Birkhoff

4 votes
Accepted

When does injective implies surjective for an $R$-module endomorphism?

3 votes
Accepted

How to calc this series?

3 votes

Question about all the homomorphisms from $\mathbb{Z}$ to $\mathbb{Z}$

3 votes

Pure maths vs applied

3 votes

What is a good complex analysis textbook, barring Ahlfors's?

3 votes

Math department space design ideas

3 votes

a suggestion for several complex variable book

3 votes
Accepted

Understanding Rolle's theorem.

2 votes

Proving abelian subgroups: $S = \{a \in G\mid a^2 = e\}$

2 votes

Is there another Analysis book that is based on the Cartesian space $\Bbb R^p$

2 votes

R is a commutative ring with unity and prime characteristic p, show that $\phi: R \to R\,\,/\,\, \phi(a) = a^p$ is a homomorphism

2 votes

Self-study: what fractions of problems to solve?

1
2 3 4 5