Table of Contents
Preface xi
Introduction xiii
1 Higher Order Derivatives 1
1.1 Divided Differences of Order n 1
1.2 General Derivatives of Order n 5
1.3 Generalized Riemann Derivatives of Order n 9
1.4 Peano Derivatives 16
1.4.1 Bilateral Peano Derivatives 16
1.4.2 Unilateral Peano Derivatives 19
1.4.3 Peano Boundedness 20
1.4.4 Generalized Peano Derivatives 21
1.4.5 Absolute Peano Derivatives 23
1.5 Riemann* Derivatives 24
1.5.1 Bilateral Riemann* Derivatives 24
1.5.2 Unilateral Riemann* Derivatives 27
1.6 Symmetric de la Vallée Poussin Derivatives 28
1.6.1 Symmetric de la Vallée Poussin Derivative and Symmetric Continuity 28
1.6.2 Smoothness 30
1.6.3 de la Vallée Poussin Boundedness 31
1.7 Symmetric Riemann* Derivatives 33
1.8 Cesàro Derivatives 33
1.8.1 Cesàro Continuity and Cesàro Derivative 34
1.8.2 Cesàro Boundedness 38
1.9 Symmetric Cesàro Derivatives 40
1.9.1 Symmetric Cesàro Continuity and Symmetric Cesàro Derivative 40
1.9.2 Symmetric Cesàro Boundedness 43
1.10 Borel Derivatives 44
1.10.1 Bilateral Borel Derivatives 44
1.10.2 Unilateral Borel Derivatives 47
1.10.3 Borel Boundedness 47
1.11 Symmetric Borel Derivatives 49
1.11.1 Symmetric Borel Derivatives and Symmetric Borel Continuity 49
1.11.2 Borel Smoothness 52
1.11.3 Symmetric Borel Boundedness 53
1.12 Lp-Derivatives 55
1.12.1 Lp-Derivatives and Lp-Continuity 55
1.12.2 Lp-Boundedness 59
1.13 Symmetric Lp-Derivatives 60
1.13.1 Symmetric Lp-Derivatives and Symmetric Lp-Continuity 60
1.13.2 Lp-Smoothness 62
1.13.3 Symmetric Lp-Boundedness 63
1.14 Abel Derivatives 63
1.14.1 Abel Summability 63
1.14.2 Abel Derivatives 64
1.14.3 Abel Continuity 68
1.14.4 Abel Smoothness 70
1.15 Laplace Derivatives 70
1.15.1 Laplace Derivatives and Laplace Continuity 70
1.15.2 Laplace Boundedness 75
1.15.3 Bilateral Laplace Derivatives 76
1.16 Symmetric Laplace Derivatives and Laplace Smoothness 77
1.16.1 Symmetric Laplace Derivatives and Symmetric Laplace Continuity 77
1.16.2 Symmetric Laplace Boundedness 82
1.16.3 Laplace Smoothness 84
2 Relations between Derivatives 85
2.1 Ordinary and Peano Derivatives, f(k) and f(k) 85
2.2 Riemann* and Peano Derivatives, f*(k)and f(k) 86
2.3 Symmetric Riemann* and Symmetric de la Vallée Poussin Derivatives, f*(s)(k) and f(s)(k) 88
2.4 Cesàro and Peano Derivatives 98
2.4.1 Cesàro and Peano derivatives, CkDf and f(k) 98
2.4.2 Cesàro and absolute Peano derivatives, CkDf and f* 101
2.5 Peano and Symmetric de la Vallée Poussin Derivatives, f(k) and f(s)(k), and Smoothness of Order k 102
2.6 Symmetric Cesàro and Symmetric de la Vallée Poussin Derivatives, SCkDf and f(s)(k) 106
2.7 Borel and Peano Derivatives, BDkf and f(k) 108
2.8 Symmetric Borel and Symmetric de la Vallée Poussin Derivatives, SBDkf and f(s)(k) 116
2.9 Borel and Symmetric Borel Derivatives, BDkf and SBDkf, and Borel Smoothness of Order k 127
2.10 Peano and Lp-Derivatives, f(k) and f(k),p 130
2.11 Lp- and Symmetric Lp-Derivatives, f(k),p and f(s)(k),p 133
2.12 Symmetric de la Vallée Poussin and Symmetric Lp-Derivatives, f(s)(k) and f(s)(k),p 136
2.13 Borel and Lp-Derivatives, BD(k)f and f(k),p 140
2.14 Symmetric Borel and Symmetric Lp-Derivatives, SBDkf and f(s)(k),p 144
2.15 Cesàro and Borel Derivatives, CkDf and BDkf 146
2.16 Symmetric Cesàro and Symmetric Borel Derivatives, SCkDf and SBDkf 149
2.17 Abel and Symmetric de la Vallée Poussin Derivatives, ADkf and f(s)(k) 151
2.18 Laplace, Peano and Generalized Peano Derivatives, LDkf, f(k) and f[k] 165
2.19 Laplace and Borel Derivatives, LDkf and BDkf 169
2.20 Symmetric Laplace and Symmetric de la Vallée Poussin Derivatives, SLDkf and f(s)(k) 172
2.21 Laplace and Symmetric Laplace Derivatives, LDkf and SLDkf 175
2.22 Peano and Unsymmetric Riemann Derivatives, f(k) and RDkf 176
2.23 Symmetric de la Vallée Poussin and Symmetric Riemann Derivatives, f(s)(k) and RD(s)kf 178
2.24 Generalized Riemann and Peano Derivatives, GRDkf and f(k) 182
2.25 MZ- and Peano Derivatives, Dkf and f(k) 184
Bibliography 187
Index 199