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Summary
This PR adds the function
mixed_canonize
, which transforms a givenChain
into the mixed canonical form around a centerSite
. This means that, for aChain
in the mixed canonical form, it will have left canonical tensors for sitesi<=center
and right canonical tensors elsewhere. Additionally, at the centerSite
there will be a matrix which contains singular values.For now, this is only implemented for the
Open
boundary case.Example
Here we show an example of how this function works: