4,016 reputation
2145
bio website quora.com/Alon-Amit
location Los Altos, CA
age 45
visits member for 5 years, 3 months
seen Dec 20 at 0:39

Dabbler in things.


Nov
14
awarded  Good Answer
Oct
24
awarded  Announcer
Sep
29
awarded  Yearling
Sep
18
awarded  Nice Answer
Jul
14
awarded  Good Answer
Jul
2
awarded  Curious
May
30
awarded  Good Answer
Feb
4
awarded  Nice Answer
Oct
23
comment Counting graphs up to isomorphism
Question 1 is unclear. Are you allowing nodes with a single child? What version of isomorphism do you have in mind? For full binary trees where L and R are distinct, the number is the Catalan number. There's certainly no "compact formula" for question 3.
Oct
3
awarded  Enlightened
Sep
29
awarded  Yearling
Sep
8
answered the simple group PSL(2,q)
Aug
23
answered Are trees spectrally determined?
Jun
25
awarded  Excavator
Jun
25
awarded  Citizen Patrol
Jun
17
awarded  Popular Question
Jun
9
awarded  Nice Answer
Jun
4
awarded  Notable Question
May
21
revised Philosophy behind Yitang Zhang's work on the Twin Primes Conjecture
Trying to fix the first two links to Wikipedia
May
6
answered Useful tricks in experimental mathematics