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QuantumKitHub / MPSKit.jl Public

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[WIP] Basis Update Galerkin integrators#454

Draft

lkdvos wants to merge 23 commits into

mainQuantumKitHub/MPSKit.jl:mainfrom

ld-bugQuantumKitHub/MPSKit.jl:ld-bugCopy head branch name to clipboard

Conversation Commits23 (23)Checks Files changed

Draft

[WIP] Basis Update Galerkin integrators#454
lkdvos wants to merge 23 commits into
mainfrom
ld-bug

Commits

Commits on Jul 13, 2026

BUG: add algorithm struct and registration

lkdvos
and
claude
committed
BUG: fixed-rank symmetrized timestep + tests

lkdvos
and
claude
committed
BUG: fixed-rank symmetric-tensor tests

lkdvos
and
claude
committed
BUG: basis-augmentation helper

lkdvos
and
claude
committed
BUG: rank-adaptive timestep + tests

lkdvos
and
claude
committed
BUG: sector-adaptive rank truncation tests

lkdvos
and
claude
committed
BUG: expand changelog entry

lkdvos
and
claude
committed
BUG: simplify + generalize toward TDVP style

lkdvos
and
claude
committed
BUG: inline the half-sweeps into timestep!

lkdvos
and
claude
committed
BUG: inline the remaining sweep helpers into timestep!

lkdvos
and
claude
committed
BUG: streamline basis augmentation to a single factorization

lkdvos
and
claude
committed
BUG: ParallelBUG integrator (Stage 3, experimental/WIP)

lkdvos
and
claude
committed
BUG: first-order ParallelBUG assembly (Alg. 4 reconciliation)

lkdvos
and
claude
committed
BUG: merge ParallelBUG into bug.jl

lkdvos
and
claude
committed
BUG: reconcile ParallelBUG with the reference implementation

lkdvos
and
claude
committed
BUG: record the exact second-order ParallelBUG algorithm (design note)

lkdvos
and
claude
committed
BUG: record negative result for the second-order ParallelBUG attempt

lkdvos
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claude
committed
BUG: implement second-order ParallelBUG2 (Kusch 2024 Variant 2)

lkdvos
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claude
committed
BUG: simplify the integrator implementations

lkdvos
and
claude
committed

Commits on Jul 14, 2026

normalization
lkdvos
committed
fix kitaev_model
lkdvos
committed
make test hamiltonian actually hermitian
lkdvos
committed
fermionic timestep tests
lkdvos
committed

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