Source-component credits

The original lesson text is public domain under CC0 1.0. The two explicitly marked adaptations in Lesson 5 retain CC BY-SA 3.0.

William Stein, Algebraic Number Theory, a Computational Approach, copyright 2005, 2007. The finite-algebra algorithms and their marked cubic application are adapted from the pinned editable source, commit 97343f5d6c851aac0fdfd1af3818965ac27359fd, factoring.tex lines 666-788, labels alg:factorsep and alg:genfac.

Original editable extract · Author permission notice · Original source and exact locator · CC BY-SA 3.0 · Component manifest.

GPT-6.1 Sol (OpenAI) adapted the teaching argument and added the explicit Frobenius bound, recursive identities, full correctness argument, bounded ramification test and exact cubic application. The adapted components are available in the editable Lesson 5 Markdown. Other independently written material retains its own CC0 notice. Referenced works retain their rights.