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Videos linked to 13B40 Etale and flat extensions; Henselization; Artin approximation ´More +
![Direct summand conjecture and perfectoid Abhyankar lemma: an overview]()
01:14:25published on November 11, 2016Direct summand conjecture and perfectoid Abhyankar lemma: an overview
By Yves André
![Another type of approximation: the valuative Cohen theorem]()
01:04:57published on February 17, 2015Another type of approximation: the valuative Cohen theorem
By Bernard Teissier
