Fix `isleftcanonical` and `isrightcanonical` to work for boundary tensors

bsc-quantic / Qrochet.jl

Quantum Tensor Networks

https://bsc-quantic.github.io/Qrochet.jl/

Apache License 2.0

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Fix `isleftcanonical` and `isrightcanonical` to work for boundary tensors #29

Closed jofrevalles closed 6 months ago

jofrevalles commented 6 months ago

Summary

Currently, the isleftcanonical (isrightcanonical) function does not work for the right(left)-most Tensor in a Chain. In this PR, we fix this by adding a "dummy" extra dimension to these boundary tensors, in order to be able to check their canonical form.