[mps] Challenge 81: purified Anderson impurity solver - #274

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jiangweiqi001:challenge/81-frustration-free

Commits on Jul 27, 2026

Register frustration-free for ED challenge 36

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c79db30

Commits on Jul 28, 2026

Register frustration-free for MPS challenge 81

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8c6ed11
Expand challenge 81 reference inputs

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c672a4f
Build validated finite-temperature impurity foundation
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Add resumable TDVP step state

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Add atomic MPS checkpoint generations
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Resume complete impurity observable workflow
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df240c4
Fix observable resume state invariants
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Document endpoint policy and Krylov resume
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Handle cooperative MPS runner continuation

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3b96ed8
Bind checkpoint source in MPS provenance

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6a725e9
Make convergence cells scheduler-resumable

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Preserve checkpoint generations after completion

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de64764
Close validation staging race

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e9ec4c2
Calibrate impurity solver cluster resources

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6c776cd

Commits on Jul 29, 2026

Close calibration telemetry trust chain

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938bb89
Accept Julia checkpoint canonical floats

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9958d2f
Design finite bath star-to-chain mapping
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Add deterministic finite bath chain mapping

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Bind chain mappings to finite bath artifacts

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a4d9d89
Preserve published chain mapping on cleanup failure

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eb0240f
Preserve published bath on cleanup failure

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552b035
Add chain geometry to finite bath ED

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05f251c
Restore direct star ED caller compatibility

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dccd818
Verify star and chain thermal equivalence

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e670634
Add finite chain MPO geometry
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Verify finite chain MPO spectra and Hermiticity
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Validate chain mappings in the Julia runner
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Replay chain mapping diagnostics in Julia runner
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Make chain diagnostic replay self contained

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f1c4c35
Reject cross-geometry MPS checkpoints
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Verify star and chain MPS observables

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ae1bab2
Add explicit chain requests to acceptance

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Reject inconsistent acceptance geometry

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Add finite chain convergence capability

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4be274f
Close chain mapping provenance validation
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Make chain corruption assertions specific
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Document explicit finite chain execution

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9e3fdea
Design QN-conserving impurity purification

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cae8edd
Fix QN documentation whitespace

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d3fab50
Correct QN purification implementation contract

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f740609
Complete QN purification contract details

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cbc0990
Close remaining QN purification plan gaps

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9d2e864
Add QN dual identity purification

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2e5546a
Seal QN validated chain capability

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fa4f197
Bind QN specs to immutable parameters

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d11bf8d
Bind QN purification identity digest

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45c82ce
Validate QN Electron MPO capability

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Complete QN MPO capability probe

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38fda95
Remove QN probe Python dependency

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Harden QN canonical capability evidence

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Bind Green branches to QN sectors

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Validate QN branch resume sectors

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Allow non-QN terminal observable resume

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Verify QN purification against direct ED

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Complete QN equivalence coverage

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d69ee46
Fix QN sector test site identity

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9b12652
Add Task4 convergence diagnostics

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6059db1

Commits on Jul 30, 2026

Fix Task4 probe module loading

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72cb070
feat(cthyb): add analytic semicircular bath

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Design production CT-HYB reference path

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Correct CT-HYB production implementation contract

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Close final CT-HYB production design blockers

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Lock CT-HYB production test runtime

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Harden CT-HYB lock verification

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feat(cthyb): define canonical production input

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fix(cthyb): harden production input contract

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feat(cthyb): retain validated raw chain evidence

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Add N_b=12 QN resource benchmark

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Fix explicit QN benchmark artifacts

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feat(cthyb): close source-bound pilot lifecycle
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fix(cthyb): traverse execute-only cluster paths
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fix(cthyb): satisfy real Solver tau mesh
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fix(cthyb): normalize real Solver completion
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fix(cthyb): retain exact invoked controls
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fix(cthyb): bind conda runtime versions
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fix(cthyb): preserve opaque Solver checkpoint
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fix(cthyb): register HDF reconstructors
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feat(cthyb): execute hash-bound calibration cells
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fix(cthyb): place micromamba offline flag globally
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fix(cthyb): bind Slurm source paths
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fix(cthyb): qualify finite-basis estimator

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fix(cthyb): retain Legendre-only raw state

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fix(cthyb): select estimator truncations safely

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fix(cthyb): separate measured basis from cutoff

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fix(cthyb): power qualification from variance

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fix(cthyb): refresh scaling seed namespace

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fix(cthyb): project exact impurity symmetries

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docs(ch81): preserve honest challenge report
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fix(ch81): satisfy report whitespace checks

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docs(ch81): foreground verified technical progress

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docs(ch81): link standalone submission

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