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Relative P-adic Hodge Theory

其他書名	Foundations
出版	Société mathématique de France, 2015
主題	Mathematics / Algebra / AbstractMathematics / Geometry / AlgebraicMathematics / Complex Analysis
ISBN	28562980799782856298077
URL	http://books.google.com.hk/books?id=K_1zawEACAAJ&hl=&source=gbs_api

註釋The authors describe a new approach to relative $p$-adic Hodge theory based on systematic use of Witt vector constructions and nonarchimedean analytic geometry in the style of both Berkovich and Huber. They give a thorough development of $\varphi$-modules over a relative Robba ring associated to a perfect Banach ring of characteristic $p$, including the relationship between these objects and etale ${\mathbb Z}_p$-local systems and ${\mathbb Q}_p$-local systems on the algebraic and analytic spaces associated to the base ring, and the relationship between (pro-)etale cohomology and $\varphi$-cohomology. They also make a critical link to mixed characteristic by exhibiting an equivalence of tensor categories between the finite etale algebras over an arbitrary perfect Banach algebra over a nontrivially normed complete field of characteristic $p$ and the finite etale algebras over a corresponding Banach ${\mathbb Q}_p$-algebra. This recovers the homeomorphism between the absolute Galois groups of ${\mathbb F}_{p}((\pi))$ and ${\mathbb Q}_{p}(\mu_{p}\infty)$ given by the field of norms construction of Fontaine and Wintenberger, as well as generalizations considered by Andreatta, Brinon, Faltings, Gabber, Ramero, Scholl, and, most recently, Scholze. Using Huber's formalism of adic spaces and Scholze's formalism of perfectoid spaces, the authors globalize the constructions to give several descriptions of the etale local systems on analytic spaces over $p$-adic fields. One of these descriptions uses a relative version of the Fargues-Fontaine curve.