3,911 reputation
2044
bio website quora.com/Alon-Amit
location Los Altos, CA
age 45
visits member for 5 years
seen Oct 13 at 23:30

Dabbler in things.


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29
awarded  Yearling
Sep
18
awarded  Nice Answer
Jul
14
awarded  Good Answer
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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.
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3
awarded  Enlightened
Sep
29
awarded  Yearling
Sep
8
answered the simple group PSL(2,q)
Aug
23
answered Are trees spectrally determined?
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25
awarded  Excavator
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25
awarded  Citizen Patrol
Jun
17
awarded  Popular Question
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9
awarded  Nice Answer
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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
Apr
15
revised What's the “best” proof of quadratic reciprocity?
(Typo correction)
Feb
17
awarded  Notable Question