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Kunz E. — Introduction to Plane Algebraic Curves
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Название: Introduction to Plane Algebraic Curves
Автор: Kunz E.
Аннотация: This work is an introduction to commutative ring theory and algebraic plane curves, requiring of the student only a basic knowledge of algebra, with all of the algebraic facts collected into several appendices that can be easily referred to, as needed. Kunz's proven conception of teaching topics in commutative algebra together with their applications to algebraic geometry makes this book significantly different from others on plane algebraic curves. The exposition focuses on the purely algebraic aspects of plane curve theory, leaving the topological and analytical viewpoints in the background, with only casual references to these subjects and suggestions for further reading.
Most important to this text:
* Emphasizes and utilizes the theory of filtered algebras, their graduated rings and Rees algebras, to deduce basic facts about the intersection theory of plane curves
* Presents residue theory in the affine plane and its applications to intersection theory
* Methods of proof for the Riemann-Roch theorem conform to the presentation of curve theory, formulated in the language of filtrations and associated graded rings
* Examples, exercises, figures and suggestions for further study round out this fairly self-contained textbook
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Рубрика: Математика /
Статус предметного указателя: Готов указатель с номерами страниц
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Год издания: 2007
Количество страниц: 293
Добавлена в каталог: 10.05.2008
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Предметный указатель
-general 270
Abstract Riemann surface 57
Addition on elliptic curve 90
Additivity of intersection multiplicity 43 170
Adic filtration 200
Adjoint curve 184
Affine coordinate ring 9
Algebraic function field (of one variable) 36
Algebroid curve 169
Angle between curves 120
Artin — Rees lemma 222
Ascending filtration 199
Associated graded algebra 200
Associated graded ideal 205
Astroid 173
Asymptote 121
Base change 237
Bezout’s Theorem 26 42
Birationally equivalent 36
Bounded below grading 194
Branch 162
Branch, integral, regular 163
Cancellation rule for residues 112
Canonical divisor (class) 153
Canonical module 245
Canonical multiplication map 241
Canonical trace 245
Cardioid 6
Cauchy, product 261
Cauchy, sequence 261
Cayley — Bacharach theorem 47
Center of a projection 74
Central projection 73
Centroid 49 123
Chain of prime ideals 223
Chain, rule for traces 110
Chinese remainder theorem 218 265
Cissoid of Diocles 5
Classification of double points 166
Classification of elliptic curves 96
Classification of irreducible curves (birational) 36
Classification of singular cubics 68
Comaximal ideals 217
Compatibility of conductors with completion 179
Complementary module 149 280
complete 262
Completion 268
Component, homogeneous 191
Component, irreducible (of a curve) 10 19
Conchoid of Nichomedes 6
Conductor 175
Conductor divisor (degree) 176
Conductor of a numerical semigroup 183
Conductor of an affine curve (a singularity) 176
Conic sections 4
Convergent series (sum) 261
Converse of Pascal’s theorem 49
Coordinate ring of a divisor 11
Coordinate ring of the intersection of two curves 24 25
Coordinate ring, affine 9
Coordinate ring, projective 23
Cremona transformation 74
Criterion for irreducibility 164
Criterion for regularity 56
Criterion, Jacobian 54
Cubics 5
Curvature 129
Curve, adjoint 184
Curve, affine (plane) 3
Curve, elliptic 89
Curve, irreducible 9 18
Curve, nonsingular (regular, smooth) 53
Curve, projective 14
Curve, reduced 20
Cusp 166
Cycle on 42
Decomposable tensor 237
Decomposition into homogeneous components 191
Decomposition into irreducible components 10 19
Dedekind complementary module 149 280
Dedekind different theorem 156
Dedekind’s formula for conductor and complementary modules 177
Defined over 3 14
Degree of a curve 9 14
Degree of a cycle 42
Degree of a divisor 11 20
Degree of a zero-dimensional scheme 48
Degree, form 201
Degree, formula for valuations 232
Degree-filtration 199
Dehomogenization 17
Denominator, ideal 232
Denominator, set 209
Dense subset of a curve 34
Derivation 243
Diagonal of the enveloping algebra 241
Different divisor (exponent) 156
Differential 242
Differential form 109
Dimension of a linear system 67
Dimension of a ring 223
Discrete valuation ring 224
Divisor 11 20 60 131
Divisor (class) group on 11
Divisor (class) group on 20
Divisor (class) group on an abstract Riemann surface 60
Divisor, canonical 153
Divisor, effective 11 20
Divisor, principal 60
Divisor, special 141
Domain of definition of a rational map 73
Double point 166
Dual basis 245
Dual basis with respect to a trace 248
Dualizing module 245
Effective divisor 11 20
ellipse 4
Elliptic curve 5 89
Embedding dimension 222
Enveloping algebra 240
Epicycloid 80
Equality of fractions 212
Equation of integral dependence 228
Euler — Poincar?e characteristic 141
Euler’s formula 192
F-divisor 133
Fermat curves 5
Field of rational functions of an irreducible curve 36
Field of rational functions on 33
Field of rational functions on 31
Filtered algebra 199
Filtration, separated 199
Filtration, trivial 200
Flex 83
Flex tangent 83
Folium of Descartes 5
Formula of B. Segre 128
Formula of Euler 192
Formula of Hurwitz 156
Formula of Jacobi 118
Formula of Reiss 129
Four-leaf rose 6
Frobenius (number) problem 183
Full ring of quotients 212
Function field of an irreducible curve 36
Fundamental theorem of algebra (graded) 192
Fundamental theorem of Max Noether 45
Genus 140 143 147 156
Global regular differentials 140 281
Graded module (submodule) 193
Graded ring 191
Graded version of Nakayama’s lemma 195
Grothendieck residue symbol 109
Harmonic center 49
Hensel’s Lemma 164
Hessian curve (determinant) 84
Hilbert, basis theorem for power series rings 264
Hilbert, function 195
Hilbert, Nullstellensatz 233 234
Hilbert, series 197
Homogeneous component (element) 191
Homogeneous coordinates 13
Homogeneous homomorphism 194
Homogeneous ideal 18 193
Homogeneous linear form (trace) 249
Homogeneous localization 215
Homogenization 15 201
Homogenization of an ideal 205
Humbert’s theorem 122
Hurwitz formula 156
Hyperbola 4
Hyperelliptic function field (curve) 146
Hypocycloid 80
I-adic filtration 200
I-complete 262
Ideal quotient 257
Indeterminate point of a rational function 33
Indeterminate point of a rational map 73
Index of a divisor 141
Inflection point 83
integral 109
Integral at a point 163
Integral closure (dependence) 228
Integrally closed 228
Interpolation problem 44
Intersection, cycle 42
Intersection, multiplicity 41 169
Intersection, scheme 40
Intersection, transversal 41 65
Irreducibility criterion 164
Irreducible, at a point 163
Irreducible, component 10 19
Irreducible, curve 9 18
J-invariant 95
Jacobian criterion 54
Krull dimension 223
Krull intersection theorem 223
Lattice 96
Laurent polynomial 200
Leading form 201
Lemma of Artin — Rees 222
Lemma of Nakayama 221
Lemma of Nakayama, in the graded case 195
Lemniscate 6
Length of a prime ideal chain 223
Limacon of Pascal 60
LIMIT 261
Line at infinity 15
Linear system 67
Linearly equivalent 132 133
Local ring at P 212
Local ring of a point in 32
Local ring of a point on a curve (on an intersection scheme) 40
localization 212
Luroth’s theorem 78
Maclaurin’s theorem 49
Miguel’s theorem 72
Minimal polynomial of a projective curve 14
Minimal polynomial of an affine curve 9
Minimal set of generators 221
Model of an algebraic function field 36
Module of (Kahler) differentials 242
Mordell — Weil theorem 92
Multiplicatively closed 209
Multiplicity of a branch 163
Multiplicity of a point on a curve 51
Multiplicity of asymptotes 121
Multiplicity of tangents 53
Nakayama’s Lemma 221 262
Nakayama’s lemma in the graded case 195
Neil’s parabola 5
Newton — Puiseux series 172
Newton’s theorem on diameters 49 125 126
Node 166
Noether different 114 242
Nonsingular curve 53
Normal crossing 166
Numerical semigroup 155
Olympic emblem 173
Order of a divisor at a point 131
Order of a zero (pole) 59
Order with respect to a filtration 199
Ordinary, double point 166
Ordinary, singularity 170
Orthogonal coordinate transformation 119
Pappus’s theorem 46
parabola 4
Parametric representation 77
Parametric representation of affine curves 79
Parametric representation, analytic (of a branch) 167
Parametric representation, polynomial 80
Pascal’s theorem 46 71
Permutability of completion and residue classes 269
Permutability of quotient with residue class rings 213
Permutability of tensor and direct products 240
Permutability of tensor products and localization 239
Point, -fold 41
Point, at finite distance 15
Point, at infinity 15 16
Point, multiple (singular) 53
Point, rational 3 14
Point, regular (simple) 53
Point, strange 87
Polar curve 82
Pole 59 82
Pole of a rational function 59
Pole, divisor 31 132
Pole, order 59
Positively graded 194
Principal divisor 31 60
Problem of Frobenius 183
Product formula for conductors 177
Projective, closure 15
Projective, coordinate transformation 15
Projective, curve (line) 14
Projective, equivalence 95
Projective, plane (n-space) 13
Projective, quadric (nonsingular) 21
Proper flex 83
Pythagorean triple 12
Quadratic transformation 74
Ramification index (point) 156
Rational curve 36
Rational function field 143
Rational function on 31
Rational function on a projective curve 33
Rational function on an affine curve 35
Rational map 73
Rational points of affine curves 3
Rational points of projective curves 14
Reciprocity theorem of Brill — Noether 159
Reduced at a point 163
Reduced curve 20
Reduced polynomial 9
Rees algebra 200
Rees algebra, nonextended 202
Regular curve (point) 53
Regularity criterion 56
Relatively prime ideals 217
Residue (symbol) 109
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