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    Algebra 1

    Körper und Galoistheorie

    Algebra 1
    Körper und Galoistheorie

    Autoren:

    Verlag:
    Spektrum-Akademischer Vlg  Weitere Titel dieses Verlages anzeigen

    Auflage: 4. A
    Erschienen: März 2007
    Seiten: 390
    Sprache: Deutsch
    Preis: 32.99 €
    Illustration: 26 Abb.
    Maße: 214x151x27
    Einband: Taschenbuch
    ISBN: 9783827416094

    Register

    Namensverzeichnis


    A

    Abel, Niels Hendrik (1802-1829), 123, 252, 270
    Archimedes (287-212BC), 18
    Artin, Emil (1898-1962), 92, 205, 244, 371


    B

    Bertrand, Joseph (1822-1900), 305
    Bezout, Etienne (1730-1783), 52
    Brandis, Albrecht, 21


    C

    Capelli, Alfredo (1855-1910), 267
    Cardano, Girolamo (1501-1576), 269
    Carlitz, Leonard (1907-1999), 221
    Castelnuovo, Guido (1865-1952), 346
    Cauchy, Augustin-Louis (1789-1857), 174
    Cayley, Arthur (1821-1895), 165
    Chandrasekharan, Komaravolu, 190
    Cohn, Paul M., (*1924), 90


    D

    Davenport, Harold (1907-1969), 221
    Dedekind, Richard (1831-1916), 92, 108, 202, 212
    Descartes, Rene (1596-1650), 18
    Deuring, Max (1907-1984), 210
    Dirichlet, Peter Gustav Lejeune (1805-1859), 162
    Drinfeld, G.I., 327
    Dubickas, Arturas, 90
    Dubuque, Bill, 85


    E

    Eisenstein, Gotthold (1823-1852), 88, 89
    Eudoxos (408-355BC), 18
    Euklid (ca. 325-265BC), 17, 40, 53, 71
    Euler, Leonhard (1707-1783), 42, 184, 194


    F

    Faltings, Gerd (*1954), 346
    Fermat, Pierre (1607-1665), 18, 69, 184
    del Ferro, Scipione (1465-1526), 269
    Frenicle, Bernard (1605-1675), 184
    Friedrichsdorf, Ulf, 104
    Frobenius, Georg (1849-1917), 177, 197


    G

    Galois, Evariste (1811-1832), 147, 160, 270, 299
    Gauß, Carl-Friedrich (1777-1855), 2, 18, 23, 147, 151, 190, 194
    Grothendieck, Alexander (*1928), 23


    H

    Hartshorne, Robin, 347
    Hausdorff (1888-1942), 106
    Hensel, Kurt (1861-1941), 75
    Hermite, Charles (1822-1901), 332, 333
    Hubert, David (1862-1943), 67, 235, 321, 352
    Hulek, Klaus, 347
    Huppert, Bertram (*1927), 178


    I

    Ischebeck, Friedrich, 346


    J

    Jacobi, Carl Gustav Jacob (18041851), 193


    K

    Klein, Felix (1849-1925), 291
    König, Julius (1849-1913), 370
    Kronecker, Leopold (1823-1891), 197
    Kronecker, Leopoldt (1823-1891), 194, 325, 364, 366
    Krull, Wolfgang (1899-1971), 210, 216, 323, 361
    Kummer, Ernst Eduard (1810-1893), 237, 250
    Kuratowski (1896-1980), 106


    L

    Lagrange, Joseph-Louis (1736-1813), 42
    Lang, Serge (1927-2005), 87, 302
    Laugwitz, Detlef, 19
    Legendre, Adrien-Marie (1752-1833), 194
    Lindemann, Ferdinand (1852-1939), 332, 333
    Lorenz, Falko, 235
    Lüroth, Jakob (1844-1910), 89


    M

    Matsumura, Hideyuki, 358
    Matzat, Heinrich (*1945), 321
    Menaechmus (380-320BC), 18
    Miller, George Abram (1863-1951), 177


    N

    Nagata, Masayoshi (*1927), 90
    Nastold, Hans-Joachim (1930-2004), 365
    Neukirch, Jürgen (1937-1997), 195
    Noether, Emmy (1882-1935), 222, 235, 321, 371


    O

    Opolka, Hans, 184


    P

    Peano, Giuseppe (1858-1932), 369
    Prestel, Alexander, 104


    R

    Remak, Robert (1888-1942), 210
    Ruffini, Paolo (1765-1822), 286


    S

    Samuel, Pierre (*1921), 90
    Schafarewitsch, Igor R. (*1923), 286
    Scharlau, Winfried, 184
    Schmidt, Otto (1891-1956), 210
    Schönemann, Theodor (1812-1868), 89
    Scholz, Arnold (1904-1942), 159, 286
    Schreier, Otto (1901-1929), 244
    Schur, Issai (1875-1941), 161, 190
    Siegel, Carl Ludwig (1896-1981), 190
    Snyder, Noah, 85
    Speiser, Andreas (1885-1970), 235
    Steinitz, Ernst (1871-1928), 94, 369
    Steuding, Jörn, 90
    Stevin, Simon (1548-1620), 40, 53
    Storch, Uwe, 364
    Swan, Richard G., 321
    Sylow, Ludwig (1832-1918), 174


    T

    Tartaglia, Nicolo (1500-1557), 269
    Tschebyschev, Pafnuty Lvovich (1821- 1894), 305
    - van der Waerden, Bartel Leendert (1903-1996), 285, 370


    W

    Wantzel, Pierre (1814-1848), 23
    Wassermann, Alfred, 209
    Weber, Heinrich (1842-1913), 197
    Weierstraß, Karl (1815-1897), 330
    Wielandt, Helmut (1910-2001), 177


    Z

    Zermelo, Ernst (1871-1953), 72
    Zimmermann, Nadja, 236
    Zorn, Max (1906-1993), 106


    Sachverzeichnis


    A

    Abbildung
    - bijektive, 367
    - injektive, 367
    - surjektive, 367
    abelsch vom Exponenten n, 250
    abelsche Körpererweiterung, 249
    Ableitung
    - formale, 84
    - Produktregel, 84
    Abschluss
    algebraischer, 94
    - ganzer, 310
    - separabler, 116
    Abstiegslemma von Krull, 361
    Adjunktion, 8
    - einer Quadratwurzel, 10

    Äquivalenzrelation, 367
    affine KAlgebra, 357
    affine KVarietät, 355
    affine Untergruppe, 298
    algebraisch, 24
    algebraisch abgeschlossen, 94
    algebraisch abhängig, 335
    algebraisch unabhängig, 335
    algebraische Hülle, 94
    algebraische Menge, 347
    - Dimension, 357
    - irreduzible, 355
    alternierende Gruppe, 290
    Artinsches Reziprozitätsgesetz, 195
    assoziiert, 55
    Auswahlaxiom, 62
    Automorphismengruppe, 368
    - einer Erweiterung, 113
    Automorphismus innerer, 167
    von Gruppen, 368
    von K-Vektorräumen, 370


    B

    Bahn, 164
    - Länge, 165
    Bahnengleichung, 167
    Bertrandsches Postulat, 305
    Bezout-Ring, 52


    C

    Cardanosche Formel, 295
    casus irreducibilis, 296
    Charakter, 246
    Charaktergruppe, 246
    Charakteristik eines Körpers, 46
    Chinesischer Restsatz, 65
    CM-Körper, 325


    D

    Delisches Problem, 3
    Diedergruppe verallgemeinerte, 179
    Diskriminante, 133, 323
    - eines Zahlkörpers, 324
    Doppelnebenklasse, 169
    duale Gruppe, 246
    duale Zahlen, 88


    E

    Einfachheit von A5 , 303
    Einfachheit von An (n > 5), 305
    Einheit, 371
    Einheitengruppe, 54, 371
    Einheitswurzel, 154
    elementarsymmetrische Funktion, 281
    elliptische Kurve, 346
    Endomorphismus, 370
    Erweiterungskörper, 8
    Erzeugendensystem, 258
    erzeugendes Element, 150
    euklidische Funktion, 57
    euklidischer Algorithmus, 19
    Eulersche φ-Funktion, 153
    Eulersches Kriterium, 188
    exakte Sequenz, 234, 247, 263
    Exponent einer Gruppe, 246, 255
    Exponentenbewertung, 63


    F

    Faserprodukt, 220
    Fixgruppe, 166
    Frobeniusautomorphismus, 158
    Funktionenkörper rationaler, 45, 304


    G

    Galoisgruppe
    - einer Erweiterung, 126
    - eines Polynoms, 132
    - zyklische, 237, 238
    ganz abgeschlossen, 311
    ganzalgebraisch, 307
    Ganzheitsbasis, 189, 324
    Ganzheitsgleichung, 308
    Gaußsche Perioden, 196
    geordnete Menge, 104
    Going-up Theorem, 323
    Grad
    - einer Körpererweiterung, 14
    - einer algebraischen Zahl, 26
    Gradformel, 16
    größter gemeinsamer Teiler, 55
    Gruppe, 368
    - alternierende, 290
    - auflösbare, 272
    - charakteristisch-einfach, 176
    - duale, 246
    - nilpotente, 178
    - projektiv-linear, 145
    - symmetrische, 280
    - topologische, 215
    - torsionsfreie, 262
    - vom Exponenten m, 254
    - zyklische, 150
    Gruppenalgebra, 100
    Gruppenring, 100


    H

    Halbgruppe, 368
    Halbsystem, 197
    Hauptideal, 38, 55
    Hauptidealring, 56
    Hilbertscher Basissatz, 352
    Hilbertscher Irreduzibilitätssatz, 302
    Hilbertscher Nullstellensatz, 350
    Höhe eines Primideals, 358
    Homomorphismus
    - einer Körpererweiterung, 91
    - verschränkter, 235
    - von KVektorräumen, 370
    - von Gruppen, 368
    - von Körpern, 369
    - von Ringen, 371
    Hülle
    - algebraische, 335
    - normale, 99
    Hyperfläche, 364


    I

    Ideal

    - maximales, 64
    - primes, 65
    - reduziertes, 349
    - zweiseitiges, 34
    Ideale
    - teilerfremde, 65
    Idempotent, 67
    Index einer Untergruppe, 166
    Inhalt eines Polynoms , 76
    inseparabel, 113
    Inseparabilitätsgrad, 121
    Integritätsring, 26
    - normaler, 312
    Invariantenteilersatz, 265
    Irreduzibilität des Kreisteilungspolynoms, 157
    Irreduzibilitätskriterium
    - von Eisenstein, 80
    - von Schönemann, 89
    irreduzibles Element, 58
    irreduzibles Polynom, 40
    Isomorphismus
    - von Gruppen, 368
    - von K-Vektorräumen, 370


    J

    Jacobisymbol, 193
    Jacobsonradikal, 365


    K

    K-Algebra, 372
    - affine, 357
    K-Homomorphismus, 91
    K-Konjugierte, 112
    K-lineare Abbildung, 370
    K-Varietät, 355
    K-Vektorraum, 369
    Kette, 104
    Klassengleichung, 168
    Klassengruppe, 198
    kleinstes gemeinsames Vielfaches, 55
    Körper
    - hilbertscher, 302
    - vollkommener, 121
    Körper der Brüche, 43
    Körpererweiterung
    - algebraische, 27
    - endliche, 27
    - transzendente, 27
    Körpererweiterung
    - abelsche, 249
    - auflösbare, 270
    - einfache, 33
    - galoissche, 126
    - normale, 98
    - rein inseparable, 119
    - separable, 113
    - zyklische, 237
    Körperkompositum, 31
    Kommutatorgruppe, 303
    Konjugationsklasse, 167
    konjugiert, 112, 167
    konstruierbar, 3
    - Konstruktion des regelmäßigen n
    - Ecks, 82
    Koordinatenring, 356
    Kozykel, 136
    normiert, 137
    Kreisteilung, 4
    Kreisteilungskörper, 197
    Kreisteilungspolynom, 157
    Krulldimension, 358
    Krulltopologie, 216
    Kummererweiterung, 250


    L

    Legendresymbol, 188
    Lemma
    - von Gauß, 78, 312
    - von Kummer, 325
    - von Zorn, 104
    Linksnebenklassen, 166
    Lokalisierung bei einem Primideal, 70


    M

    Mersennesche Zahlen, 184, 196
    metazyklisch, 272
    Minimalpolynom, 26
    Modul, 373
    - freier, 102
    Moebius-Funktion, 236
    Monoid, 99, 368
    Monoidalgebra, 100


    N

    n-te Einheitswurzel, 154
    n-te Wurzel, 238
    n-tes Kreisteilungspolynom, 157
    Nebenklasse, 165
    Newtonsche Formeln, 306
    Nilradikal, 349
    Noetherscher Isomorphiesatz, 276
    Norm, 224
    - reguläre, 225
    Normalbasis, 206
    normale Hülle, 99
    Normalisator, 169
    Normalteiler, 129
    normiertes Polynom, 25
    Nullstellenmenge, 347


    O

    Operation
    - einer Gruppe, 163
    - k-fach transitiv, 305
    - transitive, 164
    Ordnung eines Gruppenelements, 149


    P

    p-adische Zahlen, 221
    p-Bestandteil, 253
    p-Gruppe, 168
    Paarung, 247
    Permutation
    - affine, 298
    - gerade, 290
    - ungerade, 290
    Polynom
    - charakteristisches, 223
    reguläres, 225
    - Inhalt, 76
    - irreduzibles, 40
    - normiertes, 25
    primitives, 76
    - reines, 238
    - separables, 117
    Potenzmenge, 367
    Primelement, 59
    Primideal, 65
    primitives Element, 33
    Primkörper, 47
    Produkt
    - direktes, 178
    - semidirektes, 179
    Produkt von Idealen, 65
    projektiver Limes, 214
    projektives System, 214
    Prüfer-Ring, 221


    Q

    quadratfrei, 81
    quadratisch abgeschlossen, 7
    Quadratisches Reziprozitätsgesetz, 192
    - Ergänzungssätze, 192
    Quadratur des Kreises, 3
    Quadratwurzel, 10
    Quotientenkörper, 44, 76


    R

    RAlgebra, 373
    R-Modul, 373
    Radikal, 349
    Radikalerweiterung, 270
    reine Gleichung, 238
    reines Polynom, 238
    Relationenideal, 35
    Ring, 371
    - einfacher, 64
    - euklidischer, 57
    - faktorieller, 58
    - lokaler, 70
    - mit Eins, 371
    - nullteilerfreier, 371
    Ringerweiterung, 307
    Ringhomomorphismus, 35


    S

    Satz 90
    von Hilbert, 232, 235, 239
    - von Artin-Schreier, 244
    - von Bertrand, 305
    - von Cauchy, 174
    - von Cayley, 165
    - von Dirichlet, 162
    - von Euklid, 48
    - von Euler-Lagrange, 165
    - von Frobenius, 177
    - von Galois, 298
    - von Gauß, 75
    - von Hermite-Lindemann, 83, 332
    - von Kronecker, 42, 97
    - von Kronecker-Weber, 197
    - von Krull-Remak-Schmidt, 210
    - von Lüroth, 89, 346
    - von Ruffini, 286
    - von Speiser, 235
    - von Steinitz, 94
    - von Stothers-Mason, 85
    - von Wilson, 197
    Schnitt, 143
    separabel, 113
    Separabilitätsgrad, 112, 113
    Signaturabbildung, 290, 304
    Spur, 210, 224
    - reguläre, 225
    Stabilisator, 166
    Standgruppe, 166
    Sylowgruppe, 171
    symmetrische Funktion, 282
    symmetrische Gruppe, 280


    T

    Teiler, 54
    - echter, 58
    teilerfremd, 55
    Teilkörper, 7, 369
    Teilraum, 370
    Teilring, 371
    Tensorprodukt
    - von Algebren, 101
    torsionsfrei, 262
    Torsionsgruppe, 253, 262
    transitive Operation, 164
    Transitivität
    - der Algebraizität, 30
    - der Separabilität, 116
    Translationssatz, 199
    Transposition, 290
    transzendent, 24
    - rein, 340
    Transzendenzbasis, 338
    Transzendenzgrad, 340


    U

    Umkehrabbildung, 367
    Umkehrproblem der Galoistheorie, 321
    Untergruppe, 369
    - affine, 298
    - charakteristische, 176
    - konjugierte, 169
    unzerlegbar, 58


    V

    Verschiebungssatz, 199
    verschränkter Homomorphismus, 235
    Verschwindungsideal, 348
    vollkommener Körper, 121


    W

    Winkeldreiteilung, 3


    Z

    Zahlen

    - algebraische, 24
    - transzendente, 24
    zahlentheoretische Funktion, 236
    Zentralisator, 167
    Zentrum, 167
    - einer Algebra, 372
    Zerfällungskörper, 97
    Zwischenkörper, 21, 29
    Zyklenzerlegung, 288
    zyklische Gruppe, 149
    Zyklus, 287