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Top Questions
57
votes
Why doesn't Cantor's diagonal argument also apply to natural numbers?
analysis
elementary-set-theory
asked Apr 26, 2011 at 0:29
math.stackexchange.com
36
votes
"Scaled $L^p$ norm" and geometric mean
measure-theory
lp-spaces
asked Jan 19, 2013 at 21:10
math.stackexchange.com
28
votes
How strong is this conjecture? $(Z/nZ)^*$ is generated by "small" elements
nt.number-theory
reference-request
gr.group-theory
computational-complexity
riemann-hypothesis
asked May 11, 2014 at 1:50
mathoverflow.net
26
votes
Precise definition of "weaker" and "stronger"?
logic
terminology
definition
asked Jul 25, 2011 at 17:38
math.stackexchange.com
22
votes
How to prove Chebyshev's result: $\sum_{p\leq n} \frac{\log p}{p} \sim\log n $ as $n\to\infty$?
sequences-and-series
number-theory
prime-numbers
analytic-number-theory
asked Apr 20, 2011 at 2:38
math.stackexchange.com
22
votes
Space of probability measures "complete"? (In the other sense)
analysis
measure-theory
asked Jan 31, 2013 at 18:02
math.stackexchange.com
21
votes
Is $e^x$ the only isomorphism between the groups $(\mathbb{R},+)$ and $(\mathbb{R}_{> 0},*)$?
group-theory
group-isomorphism
asked Feb 13, 2013 at 16:34
math.stackexchange.com
18
votes
What's harder: Shuffling a sorted deck or sorting a shuffled one?
algorithms
algorithm-analysis
information-theory
permutations
entropy
asked Apr 14, 2013 at 3:49
cs.stackexchange.com
13
votes
Do we have any nontrivial uniform circuits?
cc.complexity-theory
circuit-complexity
uniformity
asked Jun 6, 2014 at 7:01
cstheory.stackexchange.com
11
votes
Bayesian Inference in Measure Theory
measure-theory
reference-request
probability-theory
bayesian
asked Jan 25, 2013 at 21:35
math.stackexchange.com
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Top Answers
73
Why do roots of polynomials tend to have absolute value close to 1?
mathoverflow.net
56
How to deal with low-probability high-impact risks?
security.stackexchange.com
47
What exactly (and precisely) is "hash?"
cs.stackexchange.com
39
Pressure to defend the relevance of one's area of mathematics
mathoverflow.net
35
How does Asimov's second law deal with contradictory orders from different people?
scifi.stackexchange.com
32
What is the most useful non-existing object of your field?
mathoverflow.net
32
How to create better user account creation experience for customers who do not want to create an account
ux.stackexchange.com
31
Examples of intuition from fields other than Physics to solve math problems
mathoverflow.net
26
Why do computer-science majors learn calculus?
cseducators.stackexchange.com
25
Explain why "Who is she playing the piano?" is incorrect
ell.stackexchange.com
25
Is the open question NP=co-NP the same as P=NP?
cs.stackexchange.com
22
Did Alan Turing's student Robin Gandy assert that Charles Babbage had no notion of a universal computing machine?
cstheory.stackexchange.com
22
Implications of proving NP=RP on complexity theory
cstheory.stackexchange.com
20
Examples of successful derandomization from BPP to P
cstheory.stackexchange.com
20
What does "Scientists rise up against statistical significance" mean? (Comment in Nature)
stats.stackexchange.com
19
What is a naive method?
cs.stackexchange.com
18
Is BPP vs. P a real problem after we know BPP lies in P/poly?
cstheory.stackexchange.com
18
Why are review articles cited more frequently than original research articles?
academia.stackexchange.com
16
Suppose $\mathbf{P} = \mathbf{BQP}$. Then what is randomness? Would it even exist at all?
cstheory.stackexchange.com
15
Possible definitions of exponential function
math.stackexchange.com
15
Does forcing TMs to change all symbols they read change their power?
cs.stackexchange.com
15
information-theoretic derivation of the prime number theorem
mathoverflow.net
15
Why is the clique problem NP-complete?
cs.stackexchange.com
15
What is a natural problem in theory of computation?
cstheory.stackexchange.com
15
How to deal with professors who don't follow the text
academia.stackexchange.com
14
Differences and relationships between randomized and nondeterministic algorithms?
cs.stackexchange.com
14
Showing "this is secure" on credit card entry screen
ux.stackexchange.com
13
Is every algorithm's complexity $\Omega(1)$ and $O(\infty)$?
cs.stackexchange.com
13
Why is this argument for $P\neq NP$ wrong?
cs.stackexchange.com
12
NP Problems with unique solution
cs.stackexchange.com
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