Harrison Brown

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Name Harrison Brown
Member for 3 years
Seen Sep 17 at 23:55
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Location Atlanta, GA
Age 23
I'm just zis guy, you know?
44

Questions
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Why are flat morphisms “flat?”

oct 4 10 at 5:49 Sándor Kovács 23.7k●2●52●73

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How do I check if a functor has a (left/right) adjoint?

oct 21 10 at 19:16 Buschi Sergio 1,799●1●3●8

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What are some slogans that express mathematical tricks?

may 26 11 at 10:24 Michael Renardy 4,771●1●10●17

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Why are planar graphs so exceptional?

jan 12 11 at 20:03 Gil Kalai 10.7k●6●80●144

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The density hex

dec 16 09 at 22:10 Gil Kalai 10.7k●6●80●144

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102

Answers
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70
Proofs without words
50
Do good math jokes exist?
38
Best online mathematics videos? (2)
37
What is the first interesting theorem in (insert subject here)? (2)
30
Most interesting mathematics mistake?
29
Is 8 the largest cube in fibonacci sequence?
28
Which mathematicians have influenced you the most?
25
Examples of great mathematical writing
23
Which math paper maximizes the ratio (importance)/(length)? (2)
21
Fundamental Examples
19
Undergraduate Level Math Books
17
What are some slogans that express mathematical tricks? (2)
17
Why are the sporadic simple groups HUGE?
16
Real-world applications of mathematics, by arxiv subject area?
16
Are there any good nonconstructive “existential metatheorems”?
14
How hard is it to compute the number of prime factors of a given integer?
14
Generalizations of Planar Graphs (3)
14
Number of valid topologies on a finite set of n elements
13
What should be offered in undergraduate mathematics that’s currently not (or isn’t usually)?
12
Depressed graduate student.
11
Free, high quality mathematical writing online?
8
Pseudorandom generators
8
How to respond to “I was never much good at maths at school.”
8
What are good non-English languages for mathematicians to know?
8
Learning to Think Categorically
7
Triangle-free Lemma
7
Memorizing theorems
7
Most helpful heuristic?
7
Canonical examples of algebraic structures
7
How do I make the conceptual transition from multivariable calculus to differential forms?
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