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Jan
27
answered Bound on variance of bounded random variable
Nov
4
comment Integral of rationals
This function is also integrable using techniques like the MacShane integral or the Kurzweil-Henstock integral, and can be a good illustration of why they are more powerful than the Riemann integral.
Nov
3
revised Which of the following powers is bigger: $2^{41}$ or $3^{24}$?
added 536 characters in body
Nov
3
comment Which of the following powers is bigger: $2^{41}$ or $3^{24}$?
@vaxquis How did you work out $\log^{2}3$? Did you use a calculator?
Nov
3
awarded  Nice Answer
Nov
3
comment Which of the following powers is bigger: $2^{41}$ or $3^{24}$?
@vaxquis Making a trivial problem non-trivial by solving it in a convoluted way isn't mathematics.
Nov
3
comment Which of the following powers is bigger: $2^{41}$ or $3^{24}$?
@vaxquis We don't agree about the 'obvious' meaning of the word 'Calculate' then.
Nov
2
comment Which one is bigger? $2011!$ or $1006^{2011}$
Why is the canonical answer of this duplicate itself a duplicate?
Nov
2
answered Which of the following powers is bigger: $2^{41}$ or $3^{24}$?
Nov
2
comment Is this inequality always true?
I understand this @ToddWilcox but I think that on balance it is confusing to take this approach, especially for someone who is learning about RA proofs.
Nov
2
comment Is this inequality always true?
I downvoted this (I'm not the original downvoter). The power series and the 'ratio test' is a complete red herring here. Instead convergence to 0 can and should be proved directly. If you can prove the condition of the ratio test, then the fact that the limit is below 1 follows immediately.
Oct
18
revised Laplace equation by separation of variables roots
LaTeX formatting and remove some unnecessary text
Oct
18
awarded  Custodian
Oct
18
reviewed Reviewed Laplace equation by separation of variables roots
Oct
18
suggested approved edit on Laplace equation by separation of variables roots
Oct
18
revised Is total variation a continuous map from complex measures to positive measures?
added 1 character in body
Oct
17
comment Is total variation a continuous map from complex measures to positive measures?
Yes, you are right.
Oct
17
answered Is total variation a continuous map from complex measures to positive measures?
Oct
16
comment Is Aleph 0 a natural number?
@DavidRicherby that's not how it works. Firstly there is no presumption that you can reverse the operation of adding 1. Secondly, either you defined your thing by saying it is something else + 1, and that thing is a natural number. Or you didn't. If you didn't then it isn't.
Oct
16
answered Is Aleph 0 a natural number?