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＜E-Book＞
Field Arithmetic / by Michael D. Fried, Moshe Jarden
(Ergebnisse der Mathematik und ihrer Grenzgebiete. 3. Folge / A Series of Modern Surveys in Mathematics. ISSN:21975655 ; 11)

Edition	2nd ed. 2005.
Publisher	(Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer)
Year	2005
Language	English
Size	XXIII, 780 p : online resource
Authors	*Fried, Michael D author Jarden, Moshe author SpringerLink (Online service)
Subjects	LCSH:Algebra LCSH:Algebraic geometry LCSH:Algebraic fields LCSH:Polynomials LCSH:Geometry LCSH:Mathematical logic LCSH:Number theory FREE:Algebra FREE:Algebraic Geometry FREE:Field Theory and Polynomials FREE:Geometry FREE:Mathematical Logic and Foundations FREE:Number Theory
Notes	Infinite Galois Theory and Profinite Groups -- Valuations and Linear Disjointness -- Algebraic Function Fields of One Variable -- The Riemann Hypothesis for Function Fields -- Plane Curves -- The Chebotarev Density Theorem -- Ultraproducts -- Decision Procedures -- Algebraically Closed Fields -- Elements of Algebraic Geometry -- Pseudo Algebraically Closed Fields -- Hilbertian Fields -- The Classical Hilbertian Fields -- Nonstandard Structures -- Nonstandard Approach to Hilbert’s Irreducibility Theorem -- Galois Groups over Hilbertian Fields -- Free Profinite Groups -- The Haar Measure -- Effective Field Theory and Algebraic Geometry -- The Elementary Theory of e-Free PAC Fields -- Problems of Arithmetical Geometry -- Projective Groups and Frattini Covers -- PAC Fields and Projective Absolute Galois Groups -- Frobenius Fields -- Free Profinite Groups of Infinite Rank -- Random Elements in Profinite Groups -- Omega-free PAC Fields -- Undecidability -- Algebraically Closed Fields with Distinguished Automorphisms -- Galois Stratification -- Galois Stratification over Finite Fields -- Problems of Field Arithmetic Field Arithmetic explores Diophantine fields through their absolute Galois groups. This largely self-contained treatment starts with techniques from algebraic geometry, number theory, and profinite groups. Graduate students can effectively learn generalizations of finite field ideas. We use Haar measure on the absolute Galois group to replace counting arguments. New Chebotarev density variants interpret diophantine properties. Here we have the only complete treatment of Galois stratifications, used by Denef and Loeser, et al, to study Chow motives of Diophantine statements. Progress from the first edition starts by characterizing the finite-field like P(seudo)A(lgebraically)C(losed) fields. We once believed PAC fields were rare. Now we know they include valuable Galois extensions of the rationals that present its absolute Galois group through known groups. PAC fields have projective absolute Galois group. Those that are Hilbertian are characterized by this group being pro-free. These last decade results are tools for studying fields by their relation to those with projective absolute group. There are still mysterious problems to guide a new generation: Is the solvable closure of the rationals PAC; and do projective Hilbertian fields have pro-free absolute Galois group (includes Shafarevich's conjecture)? HTTP:URL=https://doi.org/10.1007/b138352

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