Mathematics

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earned this badge 27 times.
What does the $-\log[P(X)]$ term mean in the calculation of entropy?
Awarded Sep 6 at 2:50
Simple theorems that are instances of deep mathematics
Awarded Dec 3 '18 at 6:00
Trouble understanding only one way implication truth
Awarded Feb 7 '18 at 18:59
Example of infinite field of characteristic $p\neq 0$
Awarded Sep 14 '17 at 9:48
Find the limit of the sequence $(1-1/n)^n$
Awarded Jul 15 '17 at 13:26
Limit of sequence in which each term is defined by the average of preceding two terms
Awarded May 13 '17 at 1:54
Mathematical function that converges towards $7$?
Awarded Apr 26 '17 at 6:16
(post deleted or otherwise unavailable)
Awarded Apr 25 '17 at 15:26
Simple theorems that are instances of deep mathematics
Awarded Apr 12 '17 at 7:25
Simple theorems that are instances of deep mathematics
Awarded Apr 5 '17 at 14:00
What is the theorem that has the most proofs?
Awarded Apr 4 '17 at 16:05
What are some counter-intuitive results in mathematics that involve only finite objects?
Awarded Dec 4 '16 at 8:03
Is there no formula for $\cos(x^2)$?
Awarded Aug 10 '16 at 2:28
When $\operatorname{im}(A) = \ker(A)$
Awarded Mar 22 '16 at 20:00
Why does Wolframalpha think that this sum converges?
Awarded Mar 1 '16 at 12:51
Prove that zero multiplied by zero is equal to zero.
Awarded Feb 27 '16 at 6:31
How could we define the factorial of a matrix?
Awarded Jan 31 '16 at 16:27
Why Cohomology Groups?
Awarded Jan 21 '16 at 20:36
Open source lecture notes and textbooks
Awarded Dec 18 '15 at 20:35
What are the applications of functional analysis?
Awarded Dec 2 '15 at 23:40
What are the theorems in mathematics which can be proved using completely different ideas?
Awarded Jul 13 '15 at 3:45
What happens when square root is performed in inequalities?
Awarded Feb 19 '15 at 22:12
What's your favorite proof accessible to a general audience?
Awarded Jan 21 '15 at 22:40
A question about limits at infinity
Awarded Jul 16 '14 at 7:24
What physics book for aspiring theoretical physicist / pure mathematician
Awarded Mar 13 '14 at 15:34
Examples of mathematical results discovered “late”
Awarded Mar 5 '14 at 14:23
Factor $x^4+1$ over $\mathbb{R}$
Awarded Mar 4 '14 at 13:25

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