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Sam Hopkins

Member for 10 years, 11 months
Last seen this week

samuelfhopkins.com
Washington D.C., DC, USA

Summary

Reputation

20,645

20.6k
14.2k
7.7k

2020
2021
2022
2023

Top tag

co.combinatorics

Next privilege

25,000 Rep.

Access to site analytics

Badges

3

80

150

Newest

Necromancer

Next badge

164/500

Copy Editor

Answers

View all 257 answers

Score Activity Newest

59

Mathematicians with both “very abstract” and “very applied” achievements

Jan 1, 2020

51

Noteworthy, but not so famous conjectures resolved recent years

Feb 2, 2019

43

Every mathematician has only a few tricks

Jun 16, 2020

40

What's a great christmas present for someone with a PhD in Mathematics?

Dec 11, 2020

40

Important formulas in combinatorics

Aug 19, 2015

Questions

View all 101 questions

Score Activity Newest Views

98

Why do combinatorial abstractions of geometric objects behave so well?

Nov 27, 2016

39

Examples of "unsuccessful" theories with afterlives

Sep 18, 2019

34

Updates to Stanley's 1999 survey of positivity problems in algebraic combinatorics?

Dec 30, 2019

22

Cyclic action on Kreweras walks

Feb 1, 2020

21

Which fields have multiplicative group isomorphic to additive group times Z/2Z?

Nov 15, 2013

Tags

View all 191 tags

co.combinatorics

483

Score

226

posts

rt.representation-theory

187

Score

62

posts

reference-request

138

Score

56

posts

lie-algebras

100

Score

26

posts

graph-theory

80

Score

27

posts

Reputation

+10

Number of closed walks on an $n$-cube

+10

Why aren't $B_n$ and $C_n$ the other way around?

+10

A weight generalization of root systems?

+10

Pairing a root with the half-sum of positive roots

Badges

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3

gold badges

Socratic

Sep 24
Electorate

Feb 19, 2022
Fanatic

Mar 25, 2013

80

silver badges

co.combinatorics

Jan 13, 2022
Convention

May 24, 2021
Strunk & White

Oct 30, 2021

150

bronze badges

rt.representation-theory

Jun 3, 2020
reference-request

Nov 13, 2021
Tag Editor

Dec 6, 2019

Accounts

20.6k
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Votes cast

2,319

upvotes

125

downvotes

980

question votes

1,464

answer votes

3

this month

23

this week

1

today