User Federico Magallanez - MathOverflow

Federico Magallanez

Member for 13 years, 4 months
Last seen more than 9 years ago

Network profile

13 Questions

Score Activity Newest Views

18 votes

4 answers

6k views

Sherman-Morrison type formula for Moore-Penrose pseudoinverse

asked Nov 3, 2013 at 18:37

10 votes

3 answers

14k views

Kind of submultiplicativity of the Frobenius norm: $\|AB\|_F \leq \|A\|_2\|B\|_F$?

asked Mar 29, 2011 at 1:44

9 votes

3 answers

7k views

Set of Positive Definite matrices with determinant > 1 forms a convex set

asked Nov 8, 2013 at 12:35

7 votes

1 answer

779 views

Equivalence of Hadamard Graph and Hadamard Matrix

asked Jan 10, 2014 at 19:21

5 votes

1 answer

2k views

Maximizing quadratic form on the hypercube

asked Oct 27, 2013 at 21:05

5 votes

2 answers

1k views

Find the point on the Stiefel Manifold that is closest to a matrix

asked Mar 28, 2011 at 20:37

3 votes

1 answer

371 views

Algorithmic Version of John's Decomposition of Convex Body

asked Nov 4, 2013 at 13:59

2 votes

1 answer

2k views

deriving angular central gaussian distribution from a multivariate normal distribution

asked Feb 2, 2011 at 3:51

2 votes

0 answers

667 views

Positive Fourier coefficients for a function $f:\{+1,-1\}^n \to \mathbb R$

asked Mar 9, 2014 at 19:25

1 vote

1 answer

449 views

k-th largest root in common interlacing polynomials

asked Apr 1, 2014 at 12:56

1 vote

1 answer

1k views

The Largest Root of Associated Laguerre Polynomial

asked Apr 2, 2014 at 8:07

1 vote

1 answer

429 views

An infinite Gaussian mixture with mixing parameters being also Gaussian

asked Feb 9, 2011 at 22:22

1 vote

1 answer

688 views

Sequential sampling of Gaussian and von Mises-Fisher Random Variable

asked Dec 6, 2010 at 19:15