PyLCM
Copyright (c) 2023- The PyLCM Authors

This product includes software adapted from third-party open-source projects.
Their copyright notices and license terms are reproduced in the `licenses/`
directory.

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OpenSourceEconomics/upper-envelope
https://github.com/OpenSourceEconomics/upper-envelope

Copyright (c) 2023-2025 The Upper-Envelope Authors
Licensed under the Apache License, Version 2.0
(full text in `licenses/upper-envelope-LICENSE`).

The Fast Upper-Envelope Scan in `src/_lcm/egm/upper_envelope/fues.py` was adapted
from this package and has since been substantially modified.
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