Ryan Williams

Member for 13 years, 1 month
Last seen this week

Twitter
people.csail.mit.edu/rrw
Cambridge, MA, United States

Summary

Reputation

27,135

27.1k
25.7k
24.3k

2020
2021
2022
2023

Next tag badge

300/100 score

19/20 answers

Badges

7

113

163

Newest

Enlightened

Next badge

0/1

Excavator

Answers

View all 158 answers

Score Activity Newest

88

Are $PSPACE$-complete problems inherently less tractable than $NP$-complete problems?

Mar 7, 2011

54

What papers should everyone read?

Sep 12, 2010

48

How do you get a "Physical Intuition" for results in TCS?

Feb 9, 2011

47

What are the best current lower bounds on 3SAT?

Aug 17, 2010

41

Inspirational talk for final year high school pupils

Oct 23, 2010

Questions

View all 6 questions

Score Activity Newest Views

483

What papers should everyone read?

Sep 12, 2010

113

Solid applications of category theory in TCS?

Sep 4, 2010

70

Which interesting theorems in TCS rely on the Axiom of Choice? (Or alternatively, the Axiom of Determinacy?)

Oct 4, 2010

41

A fixed-depth characterization of $TC^0$? $NC^1$?

Oct 21, 2010

30

Is there an oracle such that SAT is not infinitely often in sub-exponential time?

Feb 23, 2015

Tags

View all 130 tags

cc.complexity-theory

1,532

Score

92

posts

complexity-classes

433

Score

28

posts

reference-request

322

Score

28

posts

ds.algorithms

300

Score

21

posts

sat

227

Score

14

posts

Reputation

+10

What is the big version of NC?

+30

Law of the Excluded Middle in complexity theory

+10

Do all complexity classes have a leaf language characterization?

+10

Inspirational talk for final year high school pupils

Badges

View all badges

7

gold badges

Constable

Sep 3, 2011
Stellar Question

Dec 17, 2010
Great Question

× 2

May 11, 2019

113

silver badges

cc.complexity-theory

Sep 18, 2019
Sportsmanship

Sep 1, 2013
Lifejacket

Jun 18, 2019

163

bronze badges

complexity-classes

Aug 12, 2015
reference-request

Apr 25, 2020
Precognitive

Dec 9, 2010

Accounts

View all 18 accounts

Theoretical Computer Science

27.1k
7
113
163

4,649
26
38

Computer Science

630
6
9

415
7
9

256
1
4

Active bounties (0)

Active Offered Earned

This user has no active bounties

Votes cast

1,803

upvotes

78

downvotes

937

question votes

944

answer votes