Instructor: George McNinch
Recent course posts
| Date | Title |
|---|---|
| 2021-02-01 | Week 1 - Recollections from Math 145 |
| 2021-01-31 | Welcome to class |
\[f(x) = \prod_{g \in \Gamma} (x-g.\alpha) \in E[x] \quad \text{for \(\alpha \in E\)} \]
\[\forall h \in \Gamma, h\cdot f(x) = h \cdot \prod_{g \in \Gamma} (x-g.\alpha)\]
\[= \prod_{g \in \Gamma} (x-hg.\alpha) = f(x)\]
\[\implies
f(x) \in E^{\Gamma}[x]
\]