# Content license

Copyright © 2026 Green (Sirun) Wang.

Unless separately marked, original notes, commentary, prose, and original explanatory diagrams authored by Green (Sirun) Wang on this site are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).

License: https://creativecommons.org/licenses/by/4.0/
Legal code: https://creativecommons.org/licenses/by/4.0/legalcode.en

Give appropriate credit to Green (Sirun) Wang, link to the source and license, and indicate changes. Attribution must not imply endorsement.

## Exclusions

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Personal photographs and portraits, institutional names and logos, and third-party fonts, libraries, and code are excluded. Personal photographs and portraits are not offered under an open license. Public-domain material remains in the public domain.

Original website implementation code is covered separately by LICENSE-CODE (MIT). That license does not apply to the academic content or excluded assets.