Preface |
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xiii | |
Description of the chapters |
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1 | (4) |
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Chapter I Integral closure |
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5 | (30) |
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5 | (4) |
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9 | (7) |
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16 | (4) |
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20 | (8) |
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28 | (3) |
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31 | (4) |
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35 | (50) |
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35 | (3) |
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38 | (7) |
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3 Points and maximal ideals |
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45 | (2) |
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47 | (4) |
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51 | (6) |
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57 | (6) |
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63 | (4) |
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8 Local principal ideal domains |
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67 | (4) |
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9 Localization of modules |
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71 | (5) |
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10 Hilbert's Basis Theorem |
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76 | (1) |
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11 More rings of functions |
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77 | (8) |
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Chapter III Factorization of ideals |
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85 | (46) |
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85 | (3) |
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2 Unique factorization of ideals |
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88 | (5) |
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3 Ramification index and residual degree |
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93 | (5) |
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4 Explicit factorizations |
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98 | (3) |
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5 Ramified and unramified primes |
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101 | (4) |
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105 | (3) |
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108 | (8) |
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116 | (4) |
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120 | (11) |
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Chapter IV The discriminants |
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131 | (26) |
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131 | (2) |
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2 The discriminant as a norm |
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133 | (5) |
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3 The discriminant of a basis |
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138 | (3) |
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4 Examples of non-simple extensions |
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141 | (2) |
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143 | (6) |
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149 | (8) |
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Chapter V The ideal class group |
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157 | (36) |
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157 | (1) |
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2 Definition of the ideal class group |
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158 | (2) |
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3 Rings with finite quotients |
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160 | (3) |
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4 The case of number fields |
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163 | (4) |
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5 The case of function fields (I) |
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167 | (1) |
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6 Absolute values and valuations |
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168 | (4) |
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7 Archimedian absolute values and the product formula |
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172 | (4) |
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8 The case of function fields (II) |
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176 | (5) |
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9 Valuations and local principal ideal domains |
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181 | (2) |
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10 Nonsingular complete curves |
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183 | (10) |
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Chapter VI Projective curves |
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193 | (32) |
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193 | (1) |
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194 | (5) |
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3 Plane projective curves |
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199 | (4) |
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4 Projective transformations |
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203 | (2) |
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205 | (1) |
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206 | (3) |
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7 The tangent line at a point of a projective curve |
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209 | (4) |
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8 Functions on a projective curve |
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213 | (4) |
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9 Projective curves and valuaticns |
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217 | (4) |
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10 The intersection of two projective curves |
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221 | (4) |
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Chapter VII Nonsingular complete curves |
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225 | (44) |
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225 | (2) |
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2 Nonsingular curves and Dedekind domains, revisited |
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227 | (3) |
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3 Fields of definition and Galois actions on curves |
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230 | (6) |
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236 | (8) |
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5 Morphisms of nonsingular complete curves |
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244 | (8) |
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6 Fields of definition, revisited |
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252 | (7) |
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7 The divisor class group |
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259 | (10) |
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Chapter VIII Zeta-functions |
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269 | (36) |
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269 | (5) |
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274 | (2) |
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3 C-functions and Euler products |
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276 | (1) |
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277 | (2) |
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5 The zeta-function of a nonsingular curve |
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279 | (5) |
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6 The rationality of the zetarfunction |
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284 | (4) |
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7 The functional equation |
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288 | (4) |
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292 | (4) |
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9 Relations between class numbers |
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296 | (9) |
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Chapter IX The Riemann--Roch Theorem |
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305 | (34) |
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305 | (3) |
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308 | (2) |
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310 | (6) |
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316 | (7) |
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5 Changing the ground field |
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323 | (4) |
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6 The genus of a nonsingular plane curve |
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327 | (2) |
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329 | (2) |
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8 The Riemann-Hurwitz formula |
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331 | (2) |
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9 Maps to projective spaces |
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333 | (6) |
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Chapter X Frobenius morphisms and the Riemann hypothesis |
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339 | (22) |
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339 | (5) |
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2 The Frobenius morphisms |
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344 | (4) |
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3 The Frobenius endomorphism |
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348 | (3) |
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4 The Frobenius element at a point of a Galois cover |
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351 | (3) |
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354 | (4) |
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358 | (3) |
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Chapter XI Further topics |
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361 | (14) |
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361 | (1) |
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362 | (1) |
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363 | (2) |
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365 | (1) |
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5 The characteristic polynomial of Frobenius |
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366 | (2) |
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6 From Gal(Q/Q) to Gal(Fp/Fp) |
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368 | (3) |
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371 | (2) |
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8 Extensions with given Galois groups |
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373 | (2) |
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375 | (8) |
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375 | (1) |
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376 | (1) |
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3 Infinite Galois extensions |
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377 | (3) |
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380 | (2) |
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382 | (1) |
Glossary of notation |
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383 | (4) |
Index |
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387 | (6) |
Bibliography |
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393 | |