user46372819

Member for 9 years, 11 months
Last seen more than a month ago

Antarctica

Summary

Reputation

11,532

11.5k
9.6k
7.7k

2020
2021
2022
2023

Next tag badge

abstract-algebra

61/100 score

23/20 answers

Badges

13

58

137

Newest

Nice Question

Next badge

493/600

Electorate

Questions

View all 521 questions

Score Activity Newest Views

50

What exactly is the difference between weak and strong induction?

Mar 10, 2015

47

What did mathematicians study as an undergraduate/graduate before modern mathematics such as modern algebra and analysis?

Oct 20, 2014

46

When working proof exercises from a textbook with no solutions manual, how do you know when your proof is sound/acceptable?

May 20, 2014

22

Calculator similar to Desmos but for $3$D

Feb 26, 2014

20

Is the number $333{,}333{,}333{,}333{,}333{,}333{,}333{,}333{,}334$ a perfect square?

Nov 1, 2013

Answers

View all 57 answers

Score Activity Newest

23

Difference between definitions of $p$-subgroup and Sylow $p$-subgroup

Apr 24, 2015

15

Is a circle classified as an ellipse?

Apr 25, 2015

13

Let $G$ be a $p$-group: $|G| = p^r$. Prove that $G$ contains a normal subgroup of order $p^k$ for every nonnegative $k \le r$.

Jun 27, 2019

5

Prove: If A is invertible, then adj(A) is invertible and $[\operatorname{adj}(A)]^{-1}=\frac1{\det(A)}A=\operatorname{adj}(A^{-1})$

Mar 19, 2014

5

Finding the equation of the curve that passes through the point $(4,3)$ if its slope is given by $\frac{dy}{dx} = 3x-5$

Apr 11, 2015

Tags

View all 263 tags

abstract-algebra

62

Score

237

posts

group-theory

48

Score

60

posts

finite-groups

36

Score

14

posts

p-groups

23

Score

1

post

sylow-theory

23

Score

1

post

Reputation

+10

How to show if $(f)=(c)(g)$ where $c \in R$ (UFD) and $g$ is primitive , then $(c)=(\mathrm{cont}_f)$ where $\mathrm{cont}_f$ is the content of $f$.

+10

What exactly is the difference between weak and strong induction?

+10

Give an intuitive explanation for polynomial quotient ring, or polynomial ring mod kernel

+10

Let $G$ be a $p$-group: $|G| = p^r$. Prove that $G$ contains a normal subgroup of order $p^k$ for every nonnegative $k \le r$.

Badges

View all badges

13

gold badges

Socratic

× 2

May 3, 2020
Famous Question

× 11

Nov 11

58

silver badges

Strunk & White

Apr 27, 2015
Favorite Question

May 8, 2019
Inquisitive

Jul 2, 2014

137

bronze badges

Tag Editor

Apr 13, 2019
Talkative

Apr 29, 2021
Investor

Apr 22, 2014

Accounts

View all 15 accounts

11.5k
13
58
137

819
8
14

Music: Practice & Theory

659
1
7
11

193
1
9

Cross Validated

113
5

Active bounties (0)

Active Offered Earned

This user has no active bounties

Votes cast

1,182

upvotes

190

downvotes

493

question votes

879

answer votes