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Darsh Ranjan
Berkeley, CA
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Top Questions
35
votes
Do convolution and multiplication satisfy any nontrivial algebraic identities?
ac.commutative-algebra
fourier-analysis
universal-algebra
asked Oct 30, 2009 at 17:06
mathoverflow.net
27
votes
Are there any good nonconstructive "existential metatheorems"?
lo.logic
big-list
proof-theory
constructive-mathematics
metamathematics
asked Nov 20, 2009 at 10:37
mathoverflow.net
24
votes
Which sequences can be extended to analytic functions? (e. g., Ackermann's function)
sequences-and-series
ca.analysis-and-odes
20-questions
asked Oct 27, 2009 at 23:50
mathoverflow.net
11
votes
How much "Morse theory" can be accomplished given only a continuous transformation of a space?
gn.general-topology
20-questions
ds.dynamical-systems
asked Nov 8, 2009 at 21:44
mathoverflow.net
10
votes
What is the "category of bifurcations"?
ds.dynamical-systems
complex-dynamics
ct.category-theory
asked Jan 19, 2010 at 3:30
mathoverflow.net
9
votes
"Requires axiom of choice" vs. "explicitly constructible"
lo.logic
metamathematics
asked Nov 13, 2009 at 9:28
mathoverflow.net
7
votes
What's the standard name for sets of a given size with maximal probability (or a given probability and minimal size)?
pr.probability
st.statistics
measure-theory
names
asked Dec 5, 2009 at 9:32
mathoverflow.net
7
votes
Characterizing the Radon transforms of log-concave functions
20-questions
real-analysis
asked Oct 13, 2009 at 21:08
mathoverflow.net
Top Answers
161
Most harmful heuristic?
mathoverflow.net
117
Do good math jokes exist?
mathoverflow.net
82
Do good math jokes exist?
mathoverflow.net
70
Proofs without words
mathoverflow.net
56
How is it that you can guess if one of a pair of random numbers is larger with probability > 1/2?
mathoverflow.net
49
Jokes in the sense of Littlewood: examples?
mathoverflow.net
46
Fourier transform for dummies
mathoverflow.net
45
Truth of the Poisson summation formula
mathoverflow.net
41
Cool problems to impress students with group theory
mathoverflow.net
40
Free, high quality mathematical writing online?
mathoverflow.net
39
Fundamental Examples
mathoverflow.net
38
Is complex conjugation needed for valid inner product?
math.stackexchange.com
33
Colloquial catchy statements encoding serious mathematics
mathoverflow.net
33
What are fixed points of the Fourier Transform
mathoverflow.net
30
Sum of odd numbers results in a square number
mathoverflow.net
30
Can a mathematical definition be wrong?
mathoverflow.net
29
What programming languages do mathematicians use?
mathoverflow.net
27
What are some slogans that express mathematical tricks?
mathoverflow.net
27
Suggestions for good notation
mathoverflow.net
24
Vivid examples of vector spaces?
math.stackexchange.com
22
How to respond to "I was never much good at maths at school."
mathoverflow.net
19
Fundamental Examples
mathoverflow.net
19
What's your favorite equation, formula, identity or inequality?
mathoverflow.net
17
Examples of using physical intuition to solve math problems
mathoverflow.net
17
Generalizing a problem to make it easier
mathoverflow.net
16
For $n \in \mathbb{N}$ $\lfloor{\sqrt{n} + \sqrt{n+1}\rfloor} = \lfloor{\sqrt{4n+2}\rfloor}$
math.stackexchange.com
15
A single paper everyone should read?
mathoverflow.net
14
Bizarre operation on polynomials
mathoverflow.net
13
Do convolution and multiplication satisfy any nontrivial algebraic identities?
mathoverflow.net
13
Cures for mathematician's block (as in writer's block)
mathoverflow.net
1
2
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mathoverflow.net
math.stackexchange.com