| Preface |
|
v | |
| Introduction |
|
1 | (2) |
| Glossary |
|
3 | (13) |
|
|
|
16 | (16) |
|
|
|
16 | (1) |
|
1.2 Existence of Heegaard splittings |
|
|
17 | (1) |
|
1.3 Stable equivalence of Heegaard splittings |
|
|
18 | (3) |
|
1.4 The mapping class group |
|
|
21 | (2) |
|
1.5 Manifolds of Heegaard genus ≤ 1 |
|
|
23 | (3) |
|
|
|
26 | (2) |
|
|
|
28 | (3) |
|
|
|
31 | (1) |
|
|
|
32 | (11) |
|
2.1 Knots and links in 3-manifolds |
|
|
32 | (1) |
|
2.2 Surgery on links in S3 |
|
|
33 | (2) |
|
2.3 Surgery description of lens spaces and Seifert manifolds |
|
|
35 | (4) |
|
2.4 Surgery and 4-manifolds |
|
|
39 | (3) |
|
|
|
42 | (1) |
|
|
|
43 | (15) |
|
|
|
43 | (2) |
|
|
|
45 | (9) |
|
|
|
54 | (1) |
|
3.4 Reversing orientation |
|
|
55 | (1) |
|
|
|
56 | (2) |
|
|
|
58 | (5) |
|
|
|
62 | (1) |
|
|
|
63 | (9) |
|
5.1 Definition of the intersection form |
|
|
63 | (4) |
|
5.2 The unimodular integral forms |
|
|
67 | (1) |
|
5.3 Four-manifolds and intersection forms |
|
|
68 | (3) |
|
|
|
71 | (1) |
|
6 Four-manifolds with boundary |
|
|
72 | (9) |
|
6.1 The intersection form |
|
|
72 | (5) |
|
6.2 Homology spheres via surgery on knots |
|
|
77 | (1) |
|
6.3 Seifert homology spheres |
|
|
77 | (2) |
|
|
|
79 | (1) |
|
|
|
80 | (1) |
|
7 Invariants of knots and links |
|
|
81 | (17) |
|
|
|
81 | (2) |
|
|
|
83 | (2) |
|
7.3 The Alexander polynomial |
|
|
85 | (4) |
|
7.4 Other invariants from Seifert surfaces |
|
|
89 | (2) |
|
7.5 Knots in homology spheres |
|
|
91 | (2) |
|
7.6 Boundary links and the Alexander polynomial |
|
|
93 | (3) |
|
|
|
96 | (2) |
|
|
|
98 | (11) |
|
8.1 The definition of a fibered knot |
|
|
98 | (2) |
|
|
|
100 | (2) |
|
8.3 More about torus knots |
|
|
102 | (1) |
|
|
|
103 | (2) |
|
8.5 The monodromy of torus knots |
|
|
105 | (1) |
|
8.6 Open book decompositions |
|
|
106 | (2) |
|
|
|
108 | (1) |
|
|
|
109 | (7) |
|
9.1 The Arf-invariant of a quadratic form |
|
|
109 | (3) |
|
9.2 The Arf-invariant of a knot |
|
|
112 | (3) |
|
|
|
115 | (1) |
|
|
|
116 | (7) |
|
10.1 Characteristic surfaces |
|
|
116 | (1) |
|
|
|
117 | (5) |
|
10.3 Representing homology classes by surfaces |
|
|
122 | (1) |
|
|
|
123 | (12) |
|
11.1 Definition of the Rohlin invariant |
|
|
123 | (1) |
|
11.2 The Rohlin invariant of Seifert spheres |
|
|
123 | (4) |
|
11.3 A surgery formula for the Rohlin invariant |
|
|
127 | (2) |
|
11.4 The homology cobordism group |
|
|
129 | (4) |
|
|
|
133 | (2) |
|
|
|
135 | (7) |
|
|
|
141 | (1) |
|
|
|
142 | (6) |
|
|
|
147 | (1) |
|
|
|
148 | (11) |
|
14.1 The topology of representation spaces |
|
|
148 | (1) |
|
14.2 Irreducible representations |
|
|
149 | (1) |
|
14.3 Representations of free groups |
|
|
150 | (1) |
|
14.4 Representations of surface groups |
|
|
150 | (3) |
|
14.5 Representations for Seifert homology spheres |
|
|
153 | (5) |
|
|
|
158 | (1) |
|
15 The local properties of representation spaces |
|
|
159 | (4) |
|
|
|
162 | (1) |
|
16 Casson's invariant for Heegaard splittings |
|
|
163 | (9) |
|
16.1 The intersection product |
|
|
163 | (3) |
|
|
|
166 | (2) |
|
16.3 Independence of Heegaard splitting |
|
|
168 | (3) |
|
|
|
171 | (1) |
|
17 Casson's invariant for knots |
|
|
172 | (9) |
|
17.1 Preferred Heegaard splittings |
|
|
172 | (1) |
|
17.2 The Casson invariant for knots |
|
|
173 | (4) |
|
17.3 The difference cycle |
|
|
177 | (1) |
|
17.4 The Casson invariant for boundary links |
|
|
178 | (1) |
|
17.5 The Casson invariant of a trefoil |
|
|
179 | (2) |
|
18 An application of the Casson invariant |
|
|
181 | (3) |
|
18.1 Triangulating 4-manifolds |
|
|
181 | (1) |
|
18.2 Higher-dimensional manifolds |
|
|
182 | (1) |
|
|
|
183 | (1) |
|
19 The Casson invariant of Seifert manifolds |
|
|
184 | (7) |
|
19.1 The space R(p, q, r) |
|
|
184 | (3) |
|
19.2 Calculation of the Casson invariant |
|
|
187 | (3) |
|
|
|
190 | (1) |
| Conclusion |
|
191 | (4) |
| Bibliography |
|
195 | (10) |
| Index |
|
205 | |