Commutative algebra 50: Hensel's lemma
Автор: Richard E Borcherds
Загружено: 2020-12-05
Просмотров: 2981
Описание:
This lecture is part of an online course on commutative algebra, following the book
"Commutative algebra with a view toward algebraic geometry" by David Eisenbud.
We describe Hensel's lemma for finding roots of polynomials over complete rings, and give some examples of using it to find which p-adic numbers have roots.
Reading: Section
Exercises:
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