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@tjkessler tjkessler released this 14 Aug 01:41
0.14.0
b32726c
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Learn about vigilant mode.

Remaining-limits close-out on the 0.13 stack: opt-in operator families,
analysis extras, scale helpers, protocol-matched evaluation, and restricted
export. Homogeneous scientific defaults and the linear latent operator
contract are unchanged (koopman=None still selects "pernode").

Added

  • Discrete parameterizations row_stochastic, doubly_stochastic
    (finite Sinkhorn), and symplectic (even latent_dim). Constraints
    apply to parameterized K, not decoded x.
  • Bilinear KoopmanMPC sequential-linearization (iterated QP) on per-node
    discrete operators; additive mode still solves one QP.
  • Factory kinds koopman="switched", "mixture", and "hodge", plus
    PredictedTopologyHead (AdaptiveAdjacency remains static Graph WaveNet).
  • Equivariant block K (EquivariantKoopmanOperator) and
    E3EquivariantEncoder(..., project_invariants=False); isotypic /
    orbit neighbor-factor tying.
  • Cell-complex degree cap 3; [tdl] TopologicX incidence bridge;
    [tda] 0-d persistence and PersistenceRegularizer.
  • Matrix-free hypergraph (Zhou-symmetric) and continuous-graph distributed
    paths; scipy.sparse helper; cluster subgraph sampler; injective
    remap_node_features; opt-in KOOPMAN_GRAPH_MULTINODE=1 Ray recipe.
  • evaluate(..., include_resdmd=True), ResDMDFitCallback, Kronecker
    dispersion plots, Granger-style causal MVP, optional [control-lmi].
  • LeaderboardProtocol (distinct from teaching ForecasterProtocol),
    STAEformer-class and spatiotemporal SSM teaching ports, Fourier neural
    operator encoder, ERA5-slice card, alanine-dipeptide teaching card.
  • Restricted koopman_graph.export (torch.export / TorchScript; ONNX
    behind [export]), SVD K compression, in-tree FedAvg, FDI feature
    corruption, and a K^2 VAE MVP ([probabilistic]).
  • Sphinx graphon page plus sample_graphon_adjacency.

Changed

  • explain_representation accepts delay embeddings and additive control
    when the explainer algebra is defined (hetero / hypergraph / adaptive
    remain rejected).
  • README and Sphinx quickstart keep the default constructor and add a
    second koopman="graph" snippet.
  • limitations.rst retires closed 0.13 bullets and records new ceilings
    (finite ResDMD, TDA extra, federated-not-DP, restricted export,
    leaderboard-not-SOTA, alanine-not-Folding@home).
  • Tests live in subdirectories that follow src/koopman_graph/ packages.
    Version-named coverage dump files were split into module-named tests.
  • Orbit neighbor-factor tying reuses the representative K_nbr /
    K_hedge module so a one-orbit graph matches the shared parameter
    count. Dual K_bwd and hetero K_r stay globally shared.

Notes

  • New operator kinds round-trip safetensors_v1; custom injected modules
    remain non-round-trippable. FORMAT_VERSION stays 1.
  • Export refuses hetero / hypergraph / control / switched. Federated
    averaging is not DP-SGD. Windows remains out of the CI matrix.

Full changelog: see CHANGELOG.md ([0.14.0] - 2026-08-13).

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