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seen Nov 18 '12 at 21:14

Nov
18
comment If $A$ is singular, is $A^3+A^2+A$ singular?
Since already answered, let's just add for completeness than any polynomial $p(A)$ is also singular.
Nov
8
comment Are there infinitely many “super-palindromes”?
Observation: as palindromes are base dependent, any number $n < b$, where $b$ is base of the numeral system, is a superpalindrome. $b\rightarrow\infty$. Hence the question is: do you have any specific constraints on $b$? Does it necessarily have to be $10$?
Nov
8
comment Optimizing response times of an ambulance corp: short-term versus average
downvoters, would you mind explaining the downvote please? Thanks.