BoltZ-Kernel — Dual License
===========================

Copyright (c) 2008-2026 Hope 'n Mind SASU - Research
Author: DESVAUX G.J.Y.
ORCID: 0009-0008-9813-4627
Contact: contact@hopenmind.com

This software is dual-licensed. You may choose EITHER of the following
licenses, but you must comply with all terms of the license you choose.

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OPTION A — ACADEMIC AND NON-COMMERCIAL USE (Apache License, Version 2.0)
================================================================================

For academic research, teaching, non-profit research institutions, personal
use, and any non-commercial purpose, this software is licensed under the
Apache License, Version 2.0 (the "License"); you may not use this file
except in compliance with the License. You may obtain a copy of the License
at:

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations
under the License.

CITATION REQUIREMENT (in addition to Apache 2.0 attribution):
If you use this software in academic work, please cite:

    DESVAUX G.J.Y. (2026). BoltZ-Kernel: Non-Markovian Quantum Dynamics
    Solver with Boltzmann Memory Kernel. Hope 'n Mind SASU - Research.
    DOI: 10.5281/zenodo.19648837

================================================================================
OPTION B — COMMERCIAL USE (Proprietary License)
================================================================================

For any commercial use — including but not limited to integration into
commercial products, use by for-profit entities in revenue-generating
activities, distribution as part of a paid service, or use by commercial
contractors performing work for profit — a separate commercial license
from Hope 'n Mind SASU is required.

Without a valid commercial license:

1. OWNERSHIP
   All source code, algorithms, documentation, and associated materials
   in this repository remain the exclusive intellectual property of
   Hope 'n Mind SASU - Research.

2. COMMERCIAL RESTRICTIONS
   You may NOT, for commercial purposes:
   (a) copy, modify, merge, publish, distribute, sublicense, or sell
       copies of this software;
   (b) integrate the software or its derivatives into commercial products
       or services;
   (c) reverse-engineer, decompile, or disassemble the compiled binaries.

3. OBTAINING A COMMERCIAL LICENSE
   Contact: contact@hopenmind.com
   Please describe your intended commercial use when requesting a license.

4. NO WARRANTY
   THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
   CLAIM, DAMAGES, OR OTHER LIABILITY ARISING FROM THE USE OF THIS
   SOFTWARE.

5. GOVERNING LAW
   The commercial license is governed by French law and EU intellectual
   property regulations. Any disputes shall be resolved in the competent
   courts of France.

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HOW TO CHOOSE
================================================================================

  - Academic researcher, student, or non-profit institution
    → Use Option A (Apache 2.0). Just cite the work. No request needed.

  - Commercial entity, for-profit use
    → Use Option B. Contact contact@hopenmind.com for a commercial license.

  - Unsure
    → Contact contact@hopenmind.com. We'll help you pick.
