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Martín-Blas Pérez Pinilla

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111
What are some counter-intuitive results in mathematics that involve only finite objects?
math.stackexchange.com

70
Mathematical games interesting to both you and a 5+-year-old child
mathoverflow.net

67
17 camels trick
mathoverflow.net

55
Tweetable Mathematics
mathoverflow.net

44
What's your favorite proof accessible to a general audience?
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43
What are the applications of functional analysis?
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40
Limit of sequence in which each term is defined by the average of preceding two terms
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39
How could we define the factorial of a matrix?
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38
Simple theorems that are instances of deep mathematics
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34
Examples of mathematical results discovered “late”
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30
Factor $x^4+1$ over $\mathbb{R}$
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29
Were there women who were against giving women the right to vote?
history.stackexchange.com

25
Why does Wolframalpha think that this sum converges?
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21
Example of infinite field of characteristic $p\neq 0$
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20
Why Cohomology Groups?
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20
Examples of algorithms requiring deep mathematics to prove correctness
mathoverflow.net

17
Trouble understanding only one way implication truth
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16
What are the theorems in mathematics which can be proved using completely different ideas?
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16
Simple theorems that are instances of deep mathematics
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15
What happens when square root is performed in inequalities?
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15
What is the geodesic beween two opposite corners of cube on its surface?
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14
Mathematical function that converges towards $7$?
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13
What physics book for aspiring theoretical physicist / pure mathematician
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12
Is there no formula for $\cos(x^2)$?
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11
Simple theorems that are instances of deep mathematics
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11
What is the theorem that has the most number of proofs?
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11
What does the $-\log[P(X)]$ term mean in the calculation of entropy?
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11
¿Cómo se dice “bootstrap” en castellano?
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11
Prove that zero multiplied by zero is equal to zero.
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11
Open source lecture notes and textbooks
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