Preface |
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vii | |
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1 Stability and bifurcation analysis |
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1 | (26) |
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1 | (12) |
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1.1.1 Equilibrium points and periodic solutions |
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2 | (2) |
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4 | (3) |
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7 | (6) |
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1.2 Overview of bifurcations |
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13 | (11) |
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1.2.1 A single eigenvalue at 0 |
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13 | (3) |
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1.2.2 A pair of complex conjugate eigenvalues |
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16 | (2) |
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1.2.3 The Hopf bifurcation theorem |
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18 | (3) |
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21 | (3) |
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1.3 Classical methods for bifurcation analysis |
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24 | (3) |
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1.3.1 The center manifold theorem |
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24 | (1) |
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1.3.2 The normal form theory |
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25 | (2) |
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2 The Hopf bifurcation theorem in the frequency domain |
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27 | (30) |
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27 | (2) |
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2.2 Formulation of the frequency-domain approach |
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29 | (12) |
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2.2.1 Feedback control representation of the system |
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29 | (2) |
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2.2.2 Stability analysis: The Nyquist criterion |
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31 | (2) |
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2.2.3 Choosing an adequate representation |
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33 | (1) |
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2.2.4 Emergence of a periodic solution |
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34 | (7) |
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2.3 Advantages of the frequency-domain approach |
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41 | (2) |
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2.4 Application examples of the graphical Hopf theorem |
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43 | (14) |
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2.4.1 The normal form of the Hopf bifurcation |
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43 | (3) |
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2.4.2 The tunnel-diode oscillator |
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46 | (3) |
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2.4.3 The continuous-flow stirred tank reactor |
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49 | (8) |
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3 Analysis of static and multiple bifurcations |
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57 | (32) |
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57 | (1) |
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3.2 Formulation of elementary bifurcation conditions on the parameter plane |
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58 | (4) |
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3.3 Applications of the frequency-domain formulas |
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62 | (10) |
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3.3.1 The saddle-node bifurcation |
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62 | (2) |
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3.3.2 The transcritical bifurcation |
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64 | (1) |
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3.3.3 The hysteresis bifurcation |
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65 | (2) |
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3.3.4 The pitchfork bifurcation |
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67 | (2) |
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3.3.5 Static bifurcations in chemical reactor models |
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69 | (3) |
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3.4 Formulation of multiple crossings and determination of degeneracies |
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72 | (4) |
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3.5 Applications of the frequency-domain formulas to multiple bifurcations |
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76 | (10) |
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3.6 Multiplicity of equilibrium solutions in the parameter space |
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86 | (3) |
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4 Degenerate Hopf bifurcations |
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89 | (66) |
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89 | (2) |
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4.2 Degenerate Hopf bifurcations of co-dimension one on the parameter plane |
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91 | (17) |
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4.2.1 Local bifurcation diagrams |
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92 | (6) |
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4.2.2 Application examples |
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98 | (10) |
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4.3 Multiple Hopf bifurcation points in the parameter space |
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108 | (13) |
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4.4 Degenerate Hopf bifurcations and the singularity theory |
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121 | (11) |
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4.5 Degenerate Hopf bifurcations and feedback systems |
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132 | (7) |
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4.6 Degenerate Hopf bifurcations: The graphical Hopf theorem |
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139 | (10) |
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4.6.1 Degenerate Hopf bifurcations of the H0m type |
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139 | (5) |
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4.6.2 Degenerate Hopf bifurcations of the Hno type |
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144 | (5) |
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149 | (6) |
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5 Higher-order Hopf bifurcation formulas |
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155 | (40) |
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155 | (1) |
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5.2 Approximations of periodic solutions by higher-order formulas |
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156 | (11) |
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159 | (1) |
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160 | (7) |
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5.3 Continuation of periodic solutions: degenerate cases |
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167 | (9) |
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5.4 Local bifurcation diagrams: The graphical Hopf theorem |
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176 | (3) |
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5.5 Algorithms for recovering periodic solutions |
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179 | (16) |
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5.5.1 The original formulation |
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179 | (1) |
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5.5.2 The modified scheme |
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180 | (1) |
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5.5.3 An iterative graphical Hopf method |
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181 | (3) |
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5.5.4 Study of the van der Pol system |
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184 | (7) |
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5.5.5 Harmonic distortion |
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191 | (4) |
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6 Hopf bifurcation in continuous-time systems with discrete-time delays |
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195 | (74) |
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195 | (2) |
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6.2 Preliminaries: Retarded functional differential equations |
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197 | (9) |
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6.2.1 Existence and uniqueness of solutions |
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199 | (1) |
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6.2.2 Stability notions for retarded functional differential equations |
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199 | (1) |
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6.2.3 Linear delay-differential equations |
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200 | (2) |
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6.2.4 Linearised stability criterion |
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202 | (4) |
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6.3 Hopf bifurcation in retarded functional differential equations |
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206 | (3) |
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6.4 The graphical Hopf bifurcation theorem and delay-differential equations |
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209 | (28) |
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6.4.1 Feedback systems with a single delay in the loop |
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209 | (5) |
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6.4.2 Systems with delay in the linear block and in the nonlinear feedback |
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214 | (12) |
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6.4.3 An alternative approach |
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226 | (11) |
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237 | (23) |
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6.5.1 Dynamics of baroreflex control of heart rate |
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237 | (8) |
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6.5.2 Internet congestion control |
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245 | (15) |
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6.6 Analysis of delay equations of the neutral type |
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260 | (9) |
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7 Hopf bifurcation in continuous-time systems with distributed time delays |
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269 | (40) |
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269 | (2) |
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7.2 Discrete versus distributed delays |
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271 | (3) |
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7.3 A common approach: equivalent models |
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274 | (2) |
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7.4 The graphical Hopf method for distributed delay systems: The general case |
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276 | (6) |
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282 | (27) |
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7.5.1 A simple scalar system |
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282 | (13) |
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7.5.2 A system of coupled neurons |
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295 | (14) |
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8 Degenerate bifurcations in time-delayed systems |
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309 | (28) |
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8.1 Conditions for degenerate bifurcations in time-delayed systems |
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309 | (4) |
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313 | (24) |
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8.2.1 A nonlinear feedback control system with two time-delays |
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313 | (2) |
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8.2.2 Variable structure control and the Smith predictor |
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315 | (1) |
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8.2.3 Cascading time-delayed feedback integrators |
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316 | (8) |
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8.2.4 Analysis of the 1:2 resonant double Hopf bifurcation |
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324 | (1) |
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8.2.5 Campbell-LeBlanc system |
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324 | (13) |
Appendix A Higher-order Hopf bifurcation formulas: Part I |
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337 | (10) |
Appendix B Higher-order Hopf bifurcation formulas: Part II |
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347 | (2) |
Appendix C Higher-order Hopf bifurcation formulas: Part III |
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349 | (2) |
Bibliography |
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351 | (18) |
Subject Index |
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369 | (4) |
Author Index |
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373 | |