Nonmeasurable Sets and Functions

Nonmeasurable Sets and Functions

von: Alexander Kharazishvili

Elsevier Trade Monographs, 2004

ISBN: 9780080479767 , 349 Seiten

Format: PDF, ePUB, OL

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Nonmeasurable Sets and Functions


 

Cover

1

Contents

5

Preface

7

Chapter 1. The Vitali Theorem

13

Theorem 1

14

Theorem 2

15

Theorem 3

18

Theorem 4

18

Theorem 5

20

Theorem 6

22

Exercises

24

Chapter 2. The Bernstein Construction

29

Theorem 1

31

Theorem 2

33

Theorem 3

34

Theorem 4

36

Theorem 5

37

Exercises

39

Chapter 3. Nonmeasurable Sets Associated with Hamel Bases

47

Theorem 1

47

Theorem 2

48

Lemma 1

49

Lemma 2

50

Theorem 3

50

Theorem 4

51

Theorem 5

52

Theorem 6

59

Theorem 7

61

Exercises

62

Chapter 4. The Fubini Theorem and Nonmeasurable Sets

68

Theorem 1

75

Lemma 1

77

Lemma 2

80

Theorem 2

81

Theorem 3

84

Theorem 4

85

Exercises

87

Chapter 5. Small Nonmeasurable Sets

91

Theorem 1

92

Theorem 2

93

Theorem 3

94

Theorem 4

96

Lemma 1

99

Lemma 2

101

Theorem 5

102

Exercises

105

Chapter 6. Strange Subsets of the Euclidean Plane

114

Theorem 1

115

Lemma 1

117

Theorem 2

118

Theorem 3

119

Lemma 2

123

Lemma 3

123

Lemma 4

126

Theorem 4

127

Exercises

127

Chapter 7. Some Special Constructions of Nonmeasurable Sets

133

Theorem 1

134

Theorem 2

139

Lemma 1

147

Theorem 3

148

Exercises

149

Chapter 8. The Generalized Vitali Construction

157

Lemma 1

159

Lemma 2

160

Lemma 3

161

Lemma 4

163

Lemma 5

164

Theorem 1

165

Theorem 2

169

Exercises

174

Chapter 9. Selectors Associated with Countable Subgroups

175

Lemma 1

179

Lemma 2

179

Lemma 3

180

Lemma 4

180

Lemma 5

181

Lemma 6

181

Lemma 7

181

Theorem 1

183

Theorem 2

184

Theorem 3

185

Exercises

186

Chapter 10. Selectors Associated with Uncountable Subgroups

191

Theorem 1

194

Theorem 2

197

Theorem 3

198

Exercises

203

Chapter 11. Absolutely Nonmeasurable Sets in Groups

207

Lemma 1

208

Lemma 2

215

Lemma 3

216

Theorem 1

220

Lemma 4

222

Lemma 5.

223

Theorem 2

224

Theorem 3

225

Theorem 4

225

Theorem 5

225

Theorem 6

226

Theorem 7

227

Exercises

228

Chapter 12. Ideals Producing Nonmeasurable Unions of Sets

232

Lemma 1

234

Theorem 1

235

Theorem 2

237

Theorem 3

237

Theorem 4

238

Lemma 2

239

Lemma 3

240

Lemma 4

240

Lemma 5

242

Theorem 5

243

Theorem 6

243

Theorem 7

243

Theorem 8

244

Theorem 9

244

Exercises

245

Chapter 13. Measurability Properties of Subgroups of a Given Group

248

Lemma 1

249

Lemma 2

251

Lemma 3

251

Theorem 1

253

Theorem 2

254

Theorem 3

257

Lemma 4

259

Lemma 5

261

Lemma 6

262

Lemma 7

264

Lemma 8

264

Theorem 4

265

Exercises

267

Chapter 14. Groups of Rotations and Nonmeasurable Sets

271

Lemma 1

278

Lemma 2

279

Lemma 3

279

Lemma 4

279

Theorem 1

280

Theorem 2

281

Exercises

283

Chapter 15. Nonmeasurable Sets Associated with Filters

288

Lemma 1

290

Lemma 2

292

Theorem 1

294

Lemma 3

295

Lemma 4

297

Lemma 5

299

Theorem 2

300

Exercises

302

Appendix 1 Logical Aspects of the Existence of Nonmeasurable Sets

306

Theorem 1

314

Theorem 2

316

Appendix 2 Some Facts From the Theory of Commutative Groups

320

Theorem 1

322

Theorem 2

324

Theorem 3

327

Theorem 4

327

Bibliography

329

Subject Index

346