Graph Zeta Library (GZL)
Copyright (C) 2025-2026 Andreas A. Buchheit

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.


REFERENCE DATA
==============

The distribution carries reference data in gzl/data/, resolved at
run time with gzl.data_path().  Every data file is listed, with its
source, the evidence for that source and its SHA-256, in

    gzl/data/PROVENANCE.csv


This project's data
-------------------

    tfim_softcore_corpus_0qp.npz
    tfim_softcore_corpus_1qp.npz
    full_graph_topologies.npz

are part of gzl (source "gzl" in PROVENANCE.csv) and are
covered by the license above.


Third-party data
----------------

All other data files -- the Monte Carlo reference series under
gzl/data/MC_patched/ -- are third-party research data.  The license of
gzl does not extend to them: they are redistributed with attribution, on
the terms of their sources below.  If you use them, cite the source that
PROVENANCE.csv names for each file.  Each entry's key is the "source" value in PROVENANCE.csv.

[fey2019prl]
    S. Fey, S. C. Kapfer and K. P. Schmidt, "Quantum Criticality of
    Two-Dimensional Quantum Magnets with Long-Range Interactions",
    Phys. Rev. Lett. 122, 017203 (2019), doi:10.1103/PhysRevLett.122.017203,
    arXiv:1802.06684.  Series coefficients of the gap from Tables I-IV of the
    supplementary material; the files were checked cell by cell against
    those tables as printed in arXiv:1802.06684v1.
    Terms: the article is published under the APS default license.

[fey2020thesis]
    S. Fey, "Investigation of Zero-Temperature Transverse-Field Ising Models
    with Long-Range Interactions", doctoral thesis, Friedrich-Alexander-
    Universitaet Erlangen-Nuernberg (2020),
    https://open.fau.de/handle/openfau/13818.  Series coefficients from
    Appendix F, Tables F.1-F.11.
    Terms: open access through the FAU repository; the thesis PDF itself
    states no license, so the repository record is authoritative.

[langheld2022]
    A. Langheld, J. A. Koziol, P. Adelhardt, S. C. Kapfer and K. P. Schmidt,
    "Scaling at quantum phase transitions above the upper critical
    dimension", SciPost Phys. 13, 088 (2022),
    doi:10.21468/SciPostPhys.13.4.088.
    Data: A. Langheld, J. A. Koziol, P. Adelhardt, S. C. Kapfer and
    K. P. Schmidt, "Raw data to 'Scaling at quantum phase transitions above
    the upper critical dimension'", Zenodo (2022), version 1.0,
    doi:10.5281/zenodo.6645107.
    Terms: Creative Commons Attribution 4.0 International (CC BY 4.0),
    https://creativecommons.org/licenses/by/4.0/.
    Changes made: the series files are copied unchanged but renamed
    (PROVENANCE.csv names the file in the record for each); the per-cluster "coeffs" files are reduced from the record's
    Monte Carlo embedding runs -- per order and cluster size, the mean over
    seeds of the target integral with its standard error -- and the
    ground-state-energy ones add the analytic two-site order-2 term.

[adelhardt-pc]
    P. Adelhardt, private communication: the antiferromagnetic chain
    series at k = pi to order 10, and the square-lattice ground-state
    energy (order 13) and one-quasiparticle gap at k = 0 (order 11).
    Unpublished series coefficients, distributed with permission.
