Preface |
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ix | |
Introduction |
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1 | (40) |
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0.1 Categories and Functors |
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1 | (9) |
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0.2 Abelian Categories and some Categorical Constructions |
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10 | (6) |
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0.3 Products and Coproducts |
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16 | (7) |
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23 | (12) |
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0.5 Exercises, Problems, and Notes |
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35 | (6) |
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1 Topological Rings and Modules and their Completions |
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41 | (50) |
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1.1 Topology and Algebra in Agreement |
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42 | (10) |
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1.2 Completions and MetrizabiUty |
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52 | (6) |
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1.3 The Product Topologies |
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58 | (3) |
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1.4 Existence of Non-Discrete Hausdorff Topologies |
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61 | (5) |
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1.5 Completions, Constructions, and Stable Properties* |
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66 | (6) |
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1.6 Rings of Continuous Functions and Manifolds* |
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72 | (3) |
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1.7 Exercises, Problems, and Notes |
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75 | (16) |
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91 | (28) |
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2.1 The Mittag-Leffler Condition |
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91 | (7) |
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2.2 Surjective Inverse Systems |
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98 | (6) |
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2.3 Sheaves and the Flabby Conditions |
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104 | (7) |
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2.4 Exercises, Problems, and Notes |
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111 | (8) |
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3 The Idea of Slenderness |
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119 | (31) |
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3.1 A Path to Slenderness |
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119 | (7) |
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3.2 Equivalent Definitions of Slenderness |
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126 | (5) |
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131 | (2) |
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3.4 Some Properties and Examples |
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133 | (3) |
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3.5 Fundamental Characterizations |
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136 | (4) |
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3.6 Some Constructions and More Specific Examples |
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140 | (2) |
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3.7 Exercises, Problems, and Notes |
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142 | (8) |
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150 | (39) |
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4.1 Purity, Algebraic Compactness, and Cotorsion Modules |
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151 | (10) |
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4.2 Filter Quotients and Products |
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161 | (11) |
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4.3 Slenderness of Modules over Domains |
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172 | (5) |
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4.4 Exercises, Problems, and Notes |
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177 | (12) |
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5 Concrete Examples. Slender Rings |
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189 | (25) |
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5.1 Examples of Slender and Non-Slender Rings and Modules |
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189 | (4) |
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5.2 Relationships Between Slenderness in Different Categories |
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193 | (5) |
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5.3 Slenderness for Noetherian and Dedekind Rings |
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198 | (11) |
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5.4 Exercises, Problems, and Notes |
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209 | (5) |
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6 More Examples of Slender Objects |
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214 | (23) |
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6.1 Slender Boolean Rings |
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214 | (5) |
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6.2 (Pseudo-)Grading and Semigroup Algebras |
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219 | (6) |
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6.3 Slenderness of Rings of Functions |
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225 | (8) |
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6.4 Exercises, Problems, and Notes |
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233 | (4) |
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Appendix Ordered Sets and Measurable Cardinals |
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237 | (14) |
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A.1 Posets, Ordinals, and Cardinals |
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237 | (3) |
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240 | (4) |
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244 | (7) |
References |
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251 | (23) |
Notation Index |
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274 | (6) |
Name Index |
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280 | (8) |
Subject Index |
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288 | |