Renyi Chen comments

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                                            Renyi Chen

Implement dynamical decoupling transformer

#6515 In review to support adding dynamical sequence with 4 given schemes, and also allow user to customize their dynamical decoupling sequence.

Implement dynamical decoupling transformer

Suggestions from snichet@ 1. [Feature 1](https://github.com/quantumlib/Cirq/pull/6515/commits/3a6a9b4decdf6e9675e66175c6cb5e61975f76ae#r1538340780) Might be nice to have an option only to insert DD gates on moments that only have single qubits gates. On the hardware, the...

Implement dynamical decoupling.

Post the draft for general suggestions. And see how the CI goes compared with local CI.

Implement dynamical decoupling.

Thanks for the careful review, everyone!

Implement dynamical decoupling transformer

#6675 implemented features above.

Implement dynamical decoupling transformer

#6718 1. Insert for each Clifford piece. 2. Insert for single-qubit consecutive moments.

Order of tags: should TaggedOperation(op, "tag1", "tag2")==TaggedOperation(op, "tag2", "tag1")?

Some context: I am writing some tag transformers in #7306, in tests, I need to do some extra steps to compare TaggedOperation, it's not a blocker for me, but looks...

Order of tags: should TaggedOperation(op, "tag1", "tag2")==TaggedOperation(op, "tag2", "tag1")?

Discussed with @andbe91 offline, the order of tags is necessary for now, e.g., in the use case of "converting circuits with DetAnnotation into stim", though it's worth discussing the possibility...

PauliString.after() crashes for Clifford gate PhXZ(a=0.25,x=-1,z=0) in _decompose_into_cliffords

Interested in investigating and trying to fix this.

PauliString.after() crashes for Clifford gate PhXZ(a=0.25,x=-1,z=0) in _decompose_into_cliffords

Thanks for the info, noted!