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hearse
  • Member for 11 years, 1 month
  • Last seen this week
  • Anchorage, AK, USA
6 votes
1 answer
242 views

Can a trefoil knot be stretched to look like a triangle with three knots at the vertices?

4 votes
2 answers
2k views

Difference between product distribution and joint distribution?

3 votes
1 answer
404 views

Topics of Group Theory Required to Understand Betti Numbers

2 votes
0 answers
172 views

Cross-entropy and determinant of cross-covariance matrix

2 votes
1 answer
168 views

Background required to understand the mathematical definition of knots and their transformations

2 votes
1 answer
2k views

Log det of covariance and entropy

1 vote
1 answer
446 views

Why are eigenfunctions of Laplace-Beltrami operators the minimizer of $\int_\mathcal{M}\| \nabla f(x)\|^2$?

1 vote
1 answer
57 views

convexity of product of squared Euclidean distances with common point $i$, $||x_i-x_j||||x_i-x_k||$?

1 vote
1 answer
663 views

When is reciprocal of convex function concave?

1 vote
3 answers
1k views

Maximizing a ratio of convex matrix functions by minimizing a difference?

1 vote
1 answer
958 views

generalizing Sherman–Morrison–Woodbury formula to more than 2 matrices?

0 votes
1 answer
33 views

Error on trace of quadratic forms from Frobenius error bound on central matrix

0 votes
1 answer
266 views

Pdf upon transformation of multivariate random variable

0 votes
1 answer
649 views

Derivative of double centered Euclidean distance matrix

0 votes
0 answers
110 views

Derivative of composition of functions with inner function: $\frac{dg(f(x))}{df(x)}$

0 votes
0 answers
96 views

When will $C$ that minimizes $\lVert A-ZC\rVert$ be the same as one that minimizes $\lVert Z^{-1}A - C\rVert$ upto an orthogonal transformation?

0 votes
0 answers
116 views

lower bound for determinant of $(X^TY)$

0 votes
1 answer
153 views

Is this ratio of difference of these functions monotonic?

0 votes
2 answers
2k views

upper bound on cross entropy or relative entropy