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Optimization and Related Topics
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Applied Optimization
Volume 47
Series Editors:
Panos M. Pardalos University of Florida. US.A.
Donald Hearn University of Florida. US.A.
The titles published in this series are listed at the end o/this volume.
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Optimization and Related Topics
Edited by
Alexander Rubinov School of Information Technology & Mathematical Sciences, University of Ballarat, Victoria, Australia
and
Barney Glover School of Mathematics and Statistics, Curtin University of Technology, WA, Australia
SPRINGER-SCIENCE+BUSINESS MEDIA, B.V.
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A c.I.P. Catalogue record for this book is available from the Library of Congress.
Printed on acid-free paper
All Rights Reserved © 2001 Springer Science+Business Media Dordrecht Originally published by Kluwer Academic Publishers in 2001 No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording or by any information storage and retrieval system, without written permission from the copyright owner
ISBN 978-1-4419-4844-1 ISBN 978-1-4757-6099-6 (eBook) DOI 10.1007/978-1-4757-6099-6
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Contents
Preface
Part I NUMERICAL METHODS AND APPLICATIONS
1 AN APPROACH TO CONSTRUCTING GENERALIZED
PENALTY FUNCTIONS Mikhail Andramonov
1 Introduction 2 Generalized penalty functions for inequality constraints 3 Equality constraints
4 Modified Lagrange functions via increasing functions
xiii
3
3 4
8 10
References 14
2 AN EXACT METHOD FOR SOLVING THE SUBPROBLEM OF THE CUT- 15
TING ANGLE METHOD OF GLOBAL OPTIMIZATION Djangir A. Babayev
1 Introduction 15 2 Formulation of the problem 16 3 Lemma 17 4 Solving the subproblem when number of vectors and dimension of space
coincide 17
5 Solving the subproblem when the number of vectors is greater than dimension of space 18
6 A property of multiple solutions 24
7 Extending the presented approach to other related classes of problems 25 8 Conclusions 25
References 25
3 ON MODELING RISK IN MARKOV DECISION PROCESSES Steve Levitt, Adi Ben-Israel
1 Introduction
27
28
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vi OPTIMIZATION AND RELATED TOPICS
2
3 4
5 6
Myopic optima in MDP's
A maintenance problem
A maintenance example
An inventory problem
Appendix A: The recourse certainty equivalent
References
4 MULTIPLICATIVE PROGRAMMING AND BEYOND
VIA C-PROGRAMMING Leonid Churilov, Moshe Sniedovich
1 Introduction
2 3 4
5 6 7
Parametric methods
C-Programming perspective
Multiplicative program as an additive structure
Fractional programming problems
Discussion
Summary and conclusions
References
5 COMPUTING OPTIMAL CONTROL ON MATLAB - THE SCOM PACKAGE
AND ECONOMIC GROWTH MODELS B.D. Craven, S.M.N. Islam
1 Introduction and formulation
2 Mathematical requirements for the implementation
3 Using MATLAB
4
5 Test problems
Discussion
References
6 STOCHASTIC OPTIMAL CONTROL OF A SOLAR CAR John Boland, Vladimir- Gaitsgory, Phil Howlett and Peter Pudncy
1 Introduction
2 Formulation
3 A recursive equation for the optimal controls
4 The properties of the optimal controls
5 Some elementary examples
6 Conclusions
References
7 ON OPTIMAL ALGORITHMS IN EMERGENT COMPUTATION Victor- Korotkich
1 Introduction
2 Systems of integer relations and a new type of hierarchical formations
30
31 33
34 37
39
41
42 44 47 48 53 55 57
57
61
62
63 64 64 66
67
71
71 72
73 76 77 81
81
83
83 85
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Contents vii
3 4
5 6
The web of relations and structural complexity A principle specifying natural systems in the web of relations A model of computation to approximate the principle The principle in the model and coherent solutions
7 Approximation to coherent solutions and the problem of binary sequence
87 88 88 90
prediction 94 8 Constructing optimal algorithms as experimental verifications of the principle 96 9 A parameter extension of the optimal algorithm 97 10 The parameterised algorithm in combinatorial optimization 99 11 Results of computational experiments
References
8 OPTIMAL ESTIMATION OF SIGNAL PARAMETERS USING
BILINEAR OBSERVATIONS Panos M. Pardalos, Pavel S. Knopov, Stanislav P. Uryasev, Vitaliy A. Yatsenko
1 Introduction 2 3
4
5 6 7
Invertibility of continuous MS, and estimation of signal parameters Estimation of parameters of an almost periodic signal under discrete measurements Neural-network estimation of signal parameters Finite dimensional bilinear adaptive estimation Example Concluding remarks
101
101
103
104 105
109 112 114 115 116
References 116
9 ON AN EXTREMAL PROBLEM ARISING IN QUEUEING THEORY AND 119
TELECOMMUNICATIONS Michael Peake, Charles E. M. Pearce
1 Introduction 120 2 Preliminaries 121 3 Inequalities involving the auxiliary sequences 123 4
5 6
Convexity Comparison theorems Time congestion
References
10 LEVEL FUNCTIONS OF SOME OPTIMAL VALUE FUNCTIONS Huifu Xu
1
2 3 4
5 6 7
Introduction Level fu nctions Optimal value function-class 1 Optimal value function-class 2 Optimal value function-class 3 The general abstract convex setting Descent direction
125 128 131
134
135
135 137 140 141 144 146 149
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viii OPTIMIZATION AND RELATED TOPICS
References 151
11 REGULARIZED GAP FUNCTIONS AND D-GAP FUNCTIONS FOR NONS- 153
MOOTH VARIATIONAL INEQUALITIES Huiju Xu
1 Introduction
2 Basics
3 Stationary points
4 Descent derivative-free method
5 Generalized Newton's method 6 Numerical tests
154
155
156
161
166 168
References 175
Part II THEORY OF OPTIMIZATION AND RELATED TOPICS
12 CONVEX SPECTRAL FUNCTIONS OF COMPACT OPERATORS, PART II: 179
LOWER SEMICONTINUITY AND REARRANGEMENT INVARIANCE Jonathan M. Borwein, Adrian S. Lewis, Qiji J. Zhu
1 Introduction 180
2 Nonexpansivity of the Eigenvalue Map 182
3 Von Neumann-type Inequalities 186
4
5 Lower Semicontinuity and Rearrangements
Lower Semicontinuity and Unitary Invariance 187 191
References 195
13 SOME INEQUALITIES FOR RIEMANN-STIELTJES 197
INTEGRAL AND APPLICATIONS S. S. Dragomir
1 Introduction 197
2 Some trapezoid like inequalities for Riemann-Stieltjes integral 199
3 Some inequalities of Ostrowski type for the Riemann-Stieltjes integral 210
4 Some inequalities of Gruss type for Riemann-Stieltjes integral 227
References 231
14 PROX-REGULARITY AND SUBJETS 237 Andrew Eberhard
1 Introduction 237
2 The inf-convolution smoothing: the first order case 242
3 A variational result for rank one representers 255
4
5 6 7
Second-order directional derivatives
The rank-one representer of a prox-regular function
Inf-convolution smoothing: the second order case
Optimality conditions for local minima
263
285
290
303
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Contents ix
References 310
15 CONCERNING DIFFERENTIABILITY PROPERTIES OF LOCALLY LIPSCHITZ 315
FUNCTIONS J.R. Giles, Scott SeiJJer
1 Preliminaries 316 2 The Clarke subdifferential generated from derivatives 316 3 Upper Dini subdifferentiability 319
References 322
16 LAURENT SERIES FOR THE INVERSION OF PERTURBED LINEAR OP- 325
ERATORS ON HILBERT SPACE Phil Howlett and Kostya Avrachenkov
1 Introduction 325 2 3 4
The inverse of a perturbed matrix Inversion of perturbed linear operators on Hilbert space Inversion of perturbed linear operators on Banach space
328 330 335
References 342
17 THE EXTREMAL PRINCIPLE AND ITS APPLICATIONS TO OPTIMIZA- 343
TION AND ECONOMICS Boris S. Mordukhovich
1 Introduction 343 2 3 4
5 6
Constructions in nonsmooth analysis Extremal principle Applications to nonconvex calculus Applications to constrained optimization Applications to welfare economics
345 348 353 357 360
References 365
18 GENERIC CONVERGENCE OF INFINITE PRODUCTS OF NON EXPANSIVE 371
MAPPINGS IN BANACH AND HYPERBOLIC SPACES Simeon Reich, Alexander J. Zaslavski
1 Introduction 372 2 Hyperbolic spaces 373 3 Asymptotic behavior 4 Nonexpansive retractions 5 Convergence of Krasnosel'skii-Mann iterations 6 Contractive mappings 7 Attractive sets 8 Quasi-nonexpansive mappings 9 (F)-attracting mappings 10 Products and convex combinations of (F)-attracting
mappings and a generic result
11 Convergence of infinite products of (F)-attracting mappings
373 376 377 379 381 383 384
385
386
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x OPTIMIZATION AND RELATED TOPICS
12 Extensions
13 An example of an (F)-attracting mapping
14 Convergence of random infinite products of (F)-attracting mappings
15 Regular sequences of nonexpansive mappings and their infinite Krasnosel'skii-Mann products
16 Proofs of Theorems 15.3 and 15.4
17 Auxiliary lemmas
18 Proofs of Theorems 15.5 and 15.6
References
19 RECESSION CONES OF STAR-SHAPED AND CO-STAR-SHAPED SETS A.P. Shveidel
1
2
3
Introduction
Recession cones of radiant and co-radiant sets
Recession cone of sum of two sets
References
20 DOES CONTINUITY OF CONVEX-VALUED MAPS SURVIVE
UNDER INTERSECTION? Alrxander Vladimirov
Introduction
2 3 4
5 6
7
Preliminaries
The Demyanov difference and metric
D-continuity and discontinuity of main operations on convex sets
D-regular sets
Variable D-regular sets
Applications to parametric optimization
387 388
390
390
393
395
399
400
403
403
404
412
414
415
415
416
417
420
421
424
427
References 428
21 EXISTENCE AND STRUCTURE OF SOLUTIONS OF OPTIMAL CONTROL 429
PROBLEMS Al€Xander J. Zaslavski
1 Introduction 429
2 Existence and structure of extremals of variational problems with vector-valued functions 431
3 A class of optimal control problems with time delay 434
4 Existence of overtaking optimal solutions in the class of bounded trajectories
5 Existence and asymptotic behavior of optimal solutions
6 Uniform boundedness of optimal solutions
7 The turnpike property for optimal solutions on finite intervals
8 Examples
9 A weak version of the tunpike property
10 An auxiliary result
437 438
439
439
441
448 449
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11 Proof of Theorem 9.1
12 Proof of Theorem 9.2
13 Proof of Theorem 9.3
References
Contents xi
451 452 454
456
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Preface
This volume contains, in part, a selection of papers presented at the sixth Australian Optimization Day Miniconference (Ballarat, 16 July 1999), and the Special Sessions on Nonlinear Dynamics and Optimization and Operations Research - Methods and Applications, which were held in Melbourne, July 11-15 1999 as a part of the Joint Meeting of the American Mathematical Society and Australian Mathematical Society. The editors have strived to present both contributed papers and survey style papers as a more interesting mix for readers. Some participants from the meetings mentioned above have responded to this approach by preparing survey and 'semi-survey' papers, based on presented lectures. Contributed paper, which contain new and interesting results, are also included.
The fields of the presented papers are very large as demonstrated by the following selection of key words from selected papers in this volume:
• optimal control, stochastic optimal control, MATLAB, economic models, implicit constraints, Bellman principle, Markov process, decision-making under uncertainty, risk aversion, dynamic programming, optimal value function.
• emergent computation, complexity, traveling salesman problem, signal estimation, neural networks, time congestion, teletraffic.
• gap functions, nonsmooth variational inequalities, derivative-free algorithm, Newton's method.
• auxiliary function, generalized penalty function, modified Lagrange function.
• convexity, quasiconvexity, abstract convexity.
• Asplund spaces, Dini derivatives, coderivatives, subdifferential, variational analysis, extremal principle, nonsmooth optimization, convex spectral functions, rearrangement invariant functions, composite programming, second order nonsmooth analysis, optimality conditions.
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xiv OPTIMIZATION AND RELATED TOPICS
• global optimization, multiplicative programming, c-programming, parametric problem, cutting angle method.
• singular perturbations, infinite dimensional linear programming, feasibility problem, generic property, turnpike property, infinite horizon, overtaking optimal function.
• continuous set-valued mapping, convex-valued mappings, Hausdorff metric, Demyanov metric.
• radiant set, Minkowski gauge, Minkowski co-gauge, star-shaped set, recession cone.
• Riemann-Stieltjes integral, trapezoid inequality, midpoint inequality, Ostrowski inequality, Gruss inequality.
All contributions to this volume were carefully refereed. The editors are very grateful to the following referees: A. Bagirov (University of Ballarat, Australia), B. Craven (University of Melbourne, Australia), V. Demyanov ( State University of S.-Petersburg, Russia), A. Eberhard ( Royal Melbourne Institute of Technology, Australia), Yu. Evtushenko (Computing Centre of Russian Academy of Science, Russia), J. Filar (University of South Australia, Australia), V. Gaitsgory (University of South Australia, Australia), J. Giles (University of Newcastle, Australia), A. Ioffe (Technion, Israel), A. Jofre (University of Chile, Chile), L. Jennings (University of Western Australia, Australia), T. Kuczumow (Marie Curie-Sklodowska University, Poland), A. Leizarowitz (Technion, Israel), W. Moors (The University of Waikato, New Zealand), C.E. M. Pearce ( The University of Adelaide, Australia), J.-P. Penot ( University of Pau, France), D. Ralph (Cambridge University, UK), M. Roughan (The University of Melbourne, Australia), J. Sun (National University, Singapore) , J. Sunde (Defence Science and Technology Organization, Australia), J. Vanderwerff (University of California, Riverside, USA), G. Wood (Massey University, New Zealand), X.Q.Yang ( Polytechnic University, Hong Kong), A. Zaffaroni (Bocconi University, Italy), A. Zaslavski (Technion, Israel).
Our special thanks to Dr. Adil Bagirov, who prepared the camera-ready copy of the manuscript.
The idea to publish this volume was supported and promoted by Prof. P. Pardalos (the editor of the series Applied Optimization) and Dr. J. Martindale (Kluwer Academic Publishers), to whom the editors and the authors are greatly indebted.
The authors also express thanks to the School of Information Technology and Mathematical Sciences, University of Ballarat, Victoria, Australia, for providing facilities and support for preparing the camera-ready copy of this volume.
A.M. RUBINOV AND B.M. GLOVER