Chapter 3 Ring theory (source code)

= Chapter 3 Ring theory
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Chapter of <Abstract Algebra by Romyar Sharifi>, with the same <Romyar Sharifi> byline; no distinct contributed chapter author is established.

Online text: https://math.ucla.edu/~sharifi/notes/algebra-ch03.html

Cited passages: §3.9, Theorem 3.9.1 and proof, <polynomial division> when the leading coefficient is a <unit>; Proposition 3.9.7 and proof, the <factor theorem>. No publication date is inferred from the URL.