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Moduli of Galois Representations.

Wang Erickson, Carl William.

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Moduli of Galois Representations.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Moduli of Galois Representations./
Author:	Wang Erickson, Carl William.
Description:	309 p.
Notes:	Source: Dissertation Abstracts International, Volume: 74-10(E), Section: B.
Contained By:	Dissertation Abstracts International74-10B(E).
Subject:	Mathematics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3567116
ISBN:	9781303187537

Moduli of Galois Representations.
Wang Erickson, Carl William.

Moduli of Galois Representations. - 309 p.

Source: Dissertation Abstracts International, Volume: 74-10(E), Section: B.

Thesis (Ph.D.)--Harvard University, 2013.

The theme of this thesis is the study of moduli stacks of representations of an associative algebra, with an eye toward continuous representations of profinite groups such as Galois groups. The central object of study is the geometry of the map psi from the moduli stack of representations to the moduli scheme of pseudorepresentations. The first chapter culminates in showing that psi is very close to an adequate moduli space of Alper. In particular, psi is universally closed. The second chapter refines the results of the first chapter. In particular, certain projective subschemes of the fibers of psi are identified, generalizing a suggestion of Kisin. The third chapter applies the results of the first two chapters to moduli groupoids of continuous representations and pseudorepresentations of profinite algebras. In this context, the moduli formal scheme of pseudorepresentations is semi-local, with each component Spf BD being the moduli of deformations of a given finite field-valued pseudorepresentation D. Under a finiteness condition, it is shown that psi is not only formally finite type over Spf BD, but arises as the completion of a finite type algebraic stack over Spec BD. Finally, the fourth chapter extends Kisin's construction of loci of coefficient spaces for p-adic local Galois representations cut out by conditions from p-adic Hodge theory. The result is extended from the case that the coefficient ring is a complete Noetherian local ring to the more general case that the coefficient space is a Noetherian formal scheme.

ISBN: 9781303187537Subjects--Topical Terms:

515831
Mathematics.

Moduli of Galois Representations.
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100 1 $a Wang Erickson, Carl William. $3 2049815
245 1 0 $a Moduli of Galois Representations.
300 $a 309 p.
500 $a Source: Dissertation Abstracts International, Volume: 74-10(E), Section: B.
500 $a Adviser: Mark Kisin.
502 $a Thesis (Ph.D.)--Harvard University, 2013.
520 $a The theme of this thesis is the study of moduli stacks of representations of an associative algebra, with an eye toward continuous representations of profinite groups such as Galois groups. The central object of study is the geometry of the map psi from the moduli stack of representations to the moduli scheme of pseudorepresentations. The first chapter culminates in showing that psi is very close to an adequate moduli space of Alper. In particular, psi is universally closed. The second chapter refines the results of the first chapter. In particular, certain projective subschemes of the fibers of psi are identified, generalizing a suggestion of Kisin. The third chapter applies the results of the first two chapters to moduli groupoids of continuous representations and pseudorepresentations of profinite algebras. In this context, the moduli formal scheme of pseudorepresentations is semi-local, with each component Spf BD being the moduli of deformations of a given finite field-valued pseudorepresentation D. Under a finiteness condition, it is shown that psi is not only formally finite type over Spf BD, but arises as the completion of a finite type algebraic stack over Spec BD. Finally, the fourth chapter extends Kisin's construction of loci of coefficient spaces for p-adic local Galois representations cut out by conditions from p-adic Hodge theory. The result is extended from the case that the coefficient ring is a complete Noetherian local ring to the more general case that the coefficient space is a Noetherian formal scheme.
590 $a School code: 0084.
650 4 $a Mathematics. $3 515831
650 4 $a Applied Mathematics. $3 1669109
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710 2 $a Harvard University. $b Mathematics. $3 2049814
773 0 $t Dissertation Abstracts International $g 74-10B(E).
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792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3567116