Introduction to number theory lecture 19. Hensel and Newton's method
Channel: Richard E Borcherds
Date: 2022-02-15

This lecture is part of my Berkeley math 115 course "Introduction to number theory"
For the other lectures in the course see https://www.youtube.com/playlist?list=PL8yHsr3EFj53L8sMbzIhhXSAOpuZ1Fov8

We describe a method due to Hensel and Newton for lifting a solution of an equation mod p to a solution mod a power of p. 

The textbook is "An introduction to the theory of numbers" by Niven, Zuckerman, and Montgomery (5th edition).