Apparently, this user prefers to keep an air of mystery about them.
8 Why is Euler's totient function equal to $(p-1)(q-1)$ when $N=pq$ and $p$ and $q$ are prime in a clean intuitive way? jan 7 '14
5 What is the difference between $E[X\mid Y]$ vs $E[X\mid Y=y]$ and some of the properties of $E[X \mid Y]$? jul 20
4 Why if we use independence and factorization, we cannot represent every joint distribution? (rigorous argument needed) jun 28
3 Why is Euler's totient function equal to (p-1)(q-1) when N=pq and p and q are prime? [duplicate] jan 7 '14
3 What is a mathematically rigorous justification for multiplying edge probabilities of a tree diagram dec 27
3 What is the upper bound on the error of the solution of a noise perturbed linear system $Mx=b$? mar 27
3 Intuitive explanation of entropy? aug 18