Brendan McKay

Member for 13 years, 3 months
Last seen this week

users.cecs.anu.edu.au/~bdm
Australia

Summary

Reputation

36,968

37k
33.2k
29.5k

2020
2021
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2023

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binomial-coefficients

101/100 score

18/20 answers

Badges

3

77

147

Newest

Nice Answer

Next badge

0/1

Excavator

Answers

View all 591 answers

Score Activity Newest

75

Awfully sophisticated proof for simple facts

Feb 24, 2013

64

Non-enumerative proof that there are many derangements?

Jan 20, 2012

60

What advantage humans have over computers in mathematics?

Mar 13, 2016

43

A conjecture on planar graphs

Jul 4, 2017

37

How many $p$-regular graphs with $n$ vertices are there?

Oct 10, 2011

Questions

View all 55 questions

Score Activity Newest Views

43

History of the four-colour problem

Jan 12, 2012

38

finding the parity of a permutation in little space

Aug 11, 2011

31

Probability of zero in a random matrix

Jun 3, 2012

26

probability of zero subset sum

Jan 21, 2013

25

Changing the signs of the coefficients of a polynomial to make all the roots real

Dec 19, 2016

Tags

View all 248 tags

co.combinatorics

1,261

Score

245

posts

graph-theory

1,198

Score

250

posts

pr.probability

289

Score

86

posts

linear-algebra

200

Score

41

posts

algorithms

192

Score

47

posts

Reputation

+10

The distribution of the number of chord intersections

+20

Closed formula for number of ones in a proper factor tree

+10

Isomorphism testing in STS(13)

+10

Probability of an edge in a random graph

Badges

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3

gold badges

graph-theory

May 20, 2021
co.combinatorics

Nov 11, 2021
Fanatic

Feb 8, 2013

77

silver badges

Inquisitive

Jan 13, 2015
Pundit

Sep 6, 2013
Guru

× 2

Dec 25, 2019

147

bronze badges

random-graphs

Jun 16, 2022
enumerative-combinatorics

Jan 26, 2023
algorithms

Nov 11, 2015

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Votes cast

992

upvotes

129

downvotes

498

question votes

623

answer votes

5

this month