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3 votes

Maximum number of "almost orthogonal" vectors one can embed in Hilbert space

This is quite old now, but for the benefit of people coming across this post there is a good discussion of this problem on Terence Tao's blog: https://terrytao.wordpress.com/2013/07/18/a-cheap-version-...
Ian McCulloch's user avatar
2 votes
Accepted

Algorithm for Mutually Unbiased Basis Sets Available?

Even though I did not find an implementation, I had a look at mathematical constructions of those MUBs in prime power dimensions - what I've found was this paper and I implemented the described ...
Juri V's user avatar
  • 105
1 vote

Are MUBs complex projective 3-designs?

Another straightforward approach is to consider the alternative definition of (complex projective) $t$-designs in terms of frame potentials. Namely, as also mentioned e.g. in this other post, a set $X\...
glS's user avatar
  • 25.8k

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