Algebraic extension

Results: 189



#Item
91Class field theory / Quadratic forms / Field theory / Conductor / Class number formula / Field extension / Algebraic number field / Tensor product of fields / Signature / Abstract algebra / Algebra / Algebraic number theory

IDEAL CLASS GROUPS OF CYCLOTOMIC NUMBER FIELDS I FRANZ LEMMERMEYER Abstract. Following Hasse’s example, various authors have been deriving divisibility properties of minus class numbers of cyclotomic fields by carefull

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Source URL: www.fen.bilkent.edu.tr

Language: English - Date: 2003-09-11 11:03:20
92Hilbert class field / Cubic field / Tensor product of fields / Galois module / Kummer theory / Conductor / Field extension / Ideal class group / Quadratic field / Abstract algebra / Algebra / Algebraic number theory

IDEAL CLASS GROUPS OF CYCLOTOMIC NUMBER FIELDS II FRANZ LEMMERMEYER Abstract. We first study some families of maximal real subfields of cyclotomic fields with even class number, and then explore the implications of large

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Source URL: www.fen.bilkent.edu.tr

Language: English - Date: 2003-09-11 11:03:22
93Quadratic field / Hilbert class field / Algebraic number field / Ideal class group / Splitting of prime ideals in Galois extensions / Discriminant / Reciprocity law / Quaternion algebra / Field extension / Abstract algebra / Algebra / Algebraic number theory

CONSTRUCTION OF HILBERT 2-CLASS FIELDS FRANZ LEMMERMEYER Abstract. Let F be a number field with odd class number, and suppose that k/F is a quadratic extension. We will deal with the problem of constructing parts of the

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Source URL: www.fen.bilkent.edu.tr

Language: English - Date: 2003-09-11 11:03:18
94Frobenius group / Field extension / Normal extension / Algebraic number theory / Class field theory / Galois theory / Discriminant of an algebraic number field / Abstract algebra / Field theory / Algebra

CLASS GROUPS OF DIHEDRAL EXTENSIONS FRANZ LEMMERMEYER Abstract. Let L/F be a dihedral extension of degree 2p, where p is an odd prime. Let K/F and k/F be subextensions of L/F with degrees p and 2, respectively. Then we w

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Source URL: www.fen.bilkent.edu.tr

Language: English - Date: 2003-09-11 11:03:23
95Galois theory / Group theory / Algebraic number theory / Fundamental theorem of Galois theory / Galois group / Galois extension / Automorphism / Quotient group / Field / Abstract algebra / Algebra / Field theory

1. The Theory of Galois Extensions 1.1 The Galois Group In the first two sections we will develop the algebraic foundations of the theory. The fields we are treating are not necessarily algebraic number fields of finite

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Source URL: www.fen.bilkent.edu.tr

Language: English - Date: 2005-03-14 17:24:33
96Class field theory / Field theory / Artin reciprocity law / Hilbert class field / Class number formula / Field extension / Conductor / Algebraic number field / Normal extension / Abstract algebra / Algebra / Algebraic number theory

ON 2-CLASS FIELD TOWERS OF SOME IMAGINARY QUADRATIC NUMBER FIELDS FRANZ LEMMERMEYER Abstract. We construct an infinite family of imaginary quadratic number fields with 2-class groups of type (2, 2, 2) whose Hilbert 2-cla

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Source URL: www.fen.bilkent.edu.tr

Language: English - Date: 2003-09-11 11:03:05
97Valuation / Field extension / Quadratic form / Algebraic number field / Clifford algebra / Approximately finite dimensional C*-algebra / Abstract algebra / Algebra / Field theory

WITT EQUIVALENCE OF FUNCTION FIELDS OVER GLOBAL FIELDS PAWEL GLADKI AND MURRAY MARSHALL Abstract. Witt equivalent fields can be understood to be fields having the same symmetric bilinear form theory. Witt equivalence o

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Source URL: www.math.uni-bielefeld.de

Language: English - Date: 2015-02-03 10:52:41
98Algebraic geometry / Differential geometry / Lie groups / Homological algebra / Generalized flag variety / Unitary group / Clifford algebra / D-module / Involution / Abstract algebra / Algebra / Mathematics

UNITARY GRASSMANNIANS OF DIVISION ALGEBRAS NIKITA A. KARPENKO Abstract. We consider a central division algebra over a separable quadratic extension of a base field endowed with a unitary involution and prove 2-incompress

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Source URL: www.math.uni-bielefeld.de

Language: English - Date: 2014-08-22 06:04:43
99Ring theory / Group theory / Linear algebra / Vector space / Vectors / Von Neumann algebra / Algebraic variety / Field extension / Algebraic extension / Algebra / Abstract algebra / Mathematics

GENERIC ALGEBRAS: RATIONAL PARAMETRIZATION AND NORMAL FORMS VLADIMIR L. POPOV∗ Abstract. For every algebraically closed field k of characteristic different from 2, we prove the following:

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Source URL: www.math.uni-bielefeld.de

Language: English - Date: 2014-12-02 11:29:45
100Mathematics / Orthogonal group / Essential dimension / Representation theory / Field extension / Clifford algebra / Approximately finite dimensional C*-algebra / Algebra / Abstract algebra / Quadratic forms

LOWER BOUNDS FOR ESSENTIAL DIMENSIONS IN CHARACTERISTIC 2 VIA ORTHOGONAL REPRESENTATIONS A. BABIC AND V. CHERNOUSOV Abstract. We give a lower bound for the essential dimension of a split simple algebraic group of “adjo

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Source URL: www.math.uni-bielefeld.de

Language: English - Date: 2014-11-20 18:07:56
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