Remove redundant commutator computations from lie_closure
#6724
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Context:
qml.lie_closure
computes redundant commutators, as described in #6414.Description of the Change:
Change the computation to only consider each operator combination once, avoiding redundant commutator computations. We essentially follow the approach linked in #6414, which is also taking in
qml.labs.dla.lie_closure_dense
.Benefits:
Performance.
Possible Drawbacks:
N/A
Related GitHub Issues:
closes #6414