18

Answers
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14
What are the most attractive Turing undecidable problems in mathematics?
5
Why were matrix determinants once such a big deal?
2
limsup and liminf for a sequence of sets
2
What is the first interesting theorem in (insert subject here)?
3
Why isn’t Likelihood a Probability Density Function?
1
unbiased estimate of the variance of a weighted mean
2
Heuristically false conjectures
7
What’s the use of a complete measure?
3
Entropy of Random Signal
4
Counting trailing zeros for factorials
3
How to compute KL-divergence when PMF contains 0s?
0
Regression problem/detect outliers
1
Existence of nonnegative solutions to an underdetermined system of linear equations
3
Conic hulls and cones
2
Get rid of tr() in SVM kernel trick
3
Is quadratic programming still NP-hard if you have bounds and a feasible point?
2
Are Bregman divergences quasi-convex?
1
Building a multi-variable regression model