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E-raamat: Steiner Minimal Trees

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Summarizes and generalize the many common properties for Steiner's Problem in arbitrary finite-dimensional Banach spaces. The underlying properties of this network design problem are examined and various methods of geometry, graph theory, calculus, optimization and theoretical computer science are used in its solution. The author also investigates several relatives of Steiner's Problem. Annotation c. by Book News, Inc., Portland, Or.

This book is the result of 18 years of research into Steiner's problem and its relatives in theory and application. Starting with investigations of shortest networks for VLSI layout and, on the other hand, for certain facility location problems, the author has found many common properties for Steiner's problem in various spaces. The purpose of the book is to sum up and generalize many of these results for arbitrary finite-dimensional Banach spaces. It shows that we can create a homogeneous and general theory when we consider two dimensions of such spaces, and that we can find many facts which are helpful in attacking Steiner's problem in the higher-dimensional cases. The author examines the underlying mathematical properties of this network design problem and demonstrates how it can be attacked by various methods of geometry, graph theory, calculus, optimization and theoretical computer science. Audience: All mathematicians and users of applied graph theory.

Arvustused

`In summary, this is a well written book on an interesting and challenging range of problems but from a mathematician's viewpoint. As such it can be strongly recommended.' Journal of the Operational Research Society, 49:12 (1998) `The book has an encyclopedic character, contains lots of information and seems a must for those interested in the subject.' Nieuw Archief voor Wiskunde, 5/1:1 (2000)

Preface ix
Introduction
1(48)
The Historical Genesis
2(6)
Networks
8(7)
Spaces
15(27)
Steiner's Problem
42(4)
How to Attack Steiner's Problem
46(3)
SMT and MST In Metric Spaces - A Survey
49(42)
Basic Properties
50(4)
The Algorithmic Complexity to find an MST
54(17)
Examples
71(12)
Approximations and Heuristics
83(8)
Fermat's Problem in Banach-Minkowski Spaces
91(34)
Introduction to Fermat's Problem
92(3)
Hulls of a Finite Set and the Set of Torricelli Points
95(4)
Fermat's Problem in Several Specific Planes
99(11)
Geometric Constructions for Torricelli Points in Banach-Minkowski Planes
110(2)
General Solution Methods
112(10)
Generalizations
122(3)
The Degrees of the Vertices in Shortest Trees
125(38)
Upper Bounds for the Degrees of the Vertices
125(3)
The Degrees of Vertices in a k-SMT
128(9)
The Degrees of Vertices in an SMT
137(6)
The First Special Case: Finite Dimensional Lp-Spaces
143(7)
The Second Special Case: Banach-Minkowski Planes
150(4)
Degree Constraint Trees
154(6)
Further Results and Remarks
160(3)
1-Steiner-Minimal-Trees
163(14)
A Polynomially Bounded Algorithm
164(4)
Examples
168(4)
The Generalization to k-SMT
172(5)
Methods to Construct Shortest Trees
177(58)
The Essentials of Steiner's Problem
178(1)
The Geometric Structure of Shortest Trees
179(10)
Reductions
189(6)
Methods to Minimize the Function SzB
195(9)
A Discretization
204(9)
Approximation of Shortest Trees by Replacing One Space by Another
213(5)
A Graph Theoretical Approximation
218(6)
Heuristic Approaches
224(8)
Concluding Remarks
232(3)
The Steiner Ratio of Banach-Minkowski Spaces
235(36)
Basic Facts
236(3)
An Upper Bound for the Steiner Ratio
239(3)
Euclidean Spaces
242(4)
A Lower Bound for the Steiner Ratio
246(5)
The Steiner Ratio and several other Parameters in Discrete Geometry
251(5)
The Steiner ratio and the Embedding of Spaces
256(8)
The Steiner Ratio for k-SMT's
264(3)
Concluding Remarks
267(4)
Generalizations
271(16)
Reasons why Steiner's Problem Should be Generalized
271(2)
Shortest Networks with a Given Combinatorial Structure
273(3)
Spanners
276(2)
Searching More than one Tree
278(1)
Fermat's Problem with Weighted Nodes
278(3)
Steiner's Problem which is Steiner Point Weighted
281(1)
Steiner's Problem in the Plane with Obstacles
282(1)
Steiner's Problem in Spaces with a Weaker Triangle Inequality
283(4)
References 287(28)
Index 315