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- Rok wydania: 2013

An extensive update to a classic text
Stochastic geometry and spatial statistics play a fundamental role in many modern branches of physics, materials sciences, engineering, biology and environmental sciences. They offer successful models for the description of random two- and three-dimensional micro and macro structures and statistical methods for their analysis.
The previous edition of this book has served as the key reference in its field for over 18 years and is regarded as the best treatment of the subject of stochastic geometry, both as a subject with vital applications to spatial statistics and as a very interesting field of mathematics in its own right.
This edition:
* Presents a wealth of models for spatial patterns and related statistical methods.
* Provides a great survey of the modern theory of random tessellations, including many new models that became tractable only in the last few years.
* Includes new sections on random networks and random graphs to review the recent ever growing interest in these areas.
* Provides an excellent introduction to theory and modelling of point processes, which covers some very latest developments.
* Illustrate the forefront theory of random sets, with many applications.
* Adds new results to the discussion of fibre and surface processes.
* Offers an updated collection of useful stereological methods.
* Includes 700 new references.
* Is written in an accessible style enabling non-mathematicians to benefit from this book.
* Provides a companion website hosting information on recent developments in the field www.wiley.com/go/cskm
**Stochastic Geometry and Its Applications** is ideally suited for researchers in physics, materials science, biology and ecological sciences as well as mathematicians and statisticians. It should also serve as a valuable introduction to the subject for students of mathematics and statistics.

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Liczba stron: 1042

Contents

Cover

Wiley Series in Probability and Statistics

Title Page

Copyright

Foreword to the First Edition

From the Preface to the First Edition

Preface to the Second Edition

Preface to the Third Edition

Notation

Chapter 1: Mathematical Foundations

1.1 Set Theory

1.2 Topology in Euclidean Spaces

1.3 Operations on Subsets of Euclidean Space

1.4 Mathematical Morphology and Image Analysis

1.5 Euclidean Isometries

1.6 Convex Sets in Euclidean Spaces

1.7 Functions Describing Convex Sets

1.8 Polyconvex Sets

1.9 Measure and Integration Theory

Chapter 2: Point Processes I – The Poisson Point Process

2.1 Introduction

2.2 The Binomial Point Process

2.3 The Homogeneous Poisson Point Process

2.4 The Inhomogeneous and General Poisson Point Process

2.5 Simulation of Poisson Point Processes

2.6 Statistics for the Homogeneous Poisson Point Process

Chapter 3: Random Closed Sets I – The Boolean Model

3.1 Introduction and Basic Properties

3.2 The Boolean Model with Convex Grains

3.3 Coverage and Connectivity

3.4 Statistics

3.5 Generalisations and Variations

3.6 Hints for Practical Applications

Chapter 4: Point Processes II – General Theory

4.1 Basic Properties

4.2 Marked Point Processes

4.3 Moment Measures and Related Quantities

4.4 Palm Distributions

4.5 The Second Moment Measure

4.6 Summary Characteristics

4.7 Introduction to Statistics for Stationary Spatial Point Processes

4.8 General Point Processes

Chapter 5: Point Processes III – Models

5.1 Operations on Point Processes

5.2 Doubly Stochastic Poisson Processes (Cox Processes)

5.3 Neyman–Scott Processes

5.4 Hard-Core Point Processes

5.5 Gibbs Point Processes

5.6 Shot-Noise Fields

Chapter 6: Random Closed Sets II – The General Case

6.1 Basic Properties

6.2 Random Compact Sets

6.3 Characteristics for Stationary and Isotropic Random Closed Sets

6.4 Nonparametric Statistics for Stationary Random Closed Sets

6.5 Germ–Grain Models

6.6 Other Random Closed Set Models

6.7 Stochastic Reconstruction of Random Sets

Chapter 7: Random Measures

7.1 Fundamentals

7.2 Moment Measures and Related Characteristics

7.3 Examples of Random Measures

Chapter 8: Line, Fibre and Surface Processes

8.1 Introduction

8.2 Flat Processes

8.3 Planar Fibre Processes

8.4 Spatial Fibre Processes

8.5 Surface Processes

8.6 Marked Fibre and Surface Processes

Chapter 9: Random Tessellations, Geometrical Networks and Graphs

9.1 Introduction and Definitions

9.2 Mathematical Models for Random Tessellations

9.3 General Ideas and Results for Stationary Planar Tessellations

9.4 Mean-Value Formulae for Stationary Spatial Tessellations

9.5 Poisson Line and Plane Tessellations

9.6 STIT Tessellations

9.7 Poisson-Voronoi and Delaunay Tessellations

9.8 Laguerre Tessellations

9.9 Johnson–Mehl Tessellations

9.10 Statistics for Stationary Tessellations

9.11 Random Geometrical Networks

9.12 Random Graphs

Chapter 10: Stereology

10.1 Introduction

10.2 The Fundamental Mean-Value Formulae of Stereology

10.3 Stereological Mean-Value Formulae for Germ–Grain Models

10.4 Stereological Methods for Spatial Systems of Balls

10.5 Stereological Problems for Nonspherical Grains (Shape-and-Size Problems)

10.6 Stereology for Spatial Tessellations

10.7 Second-Order Characteristics and Directional Distributions

References

Author Index

Subject Index

Wiley Series in Probability and Statistics

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Library of Congress Cataloging-in-Publication Data

Stoyan, Dietrich.

[Stochastische Geometrie. English]

Stochastic geometry and its applications. –Third edition / Sung Nok Chiu, Dietrich Stoyan, Wilfrid S. Kendall, Joseph Mecke.

pages cm–(Wiley series in probability and statistics)

Revision of: Stochastic geometry and its applications / Dietrich Stoyan, Wilfrid S. Kendall, Joseph Mecke. –2nd ed. –?1995.

Includes bibliographical references and indexes.

ISBN 978-0-470-66481-0 (hardback)

1. Stochastic geometry. I. Chiu, Sung Nok. II. Kendall, W. S. III. Mecke, Joseph. IV. Title.

QA273.5.S7813 2013

519.2–dc23

2013012066

A catalogue record for this book is available from the British Library.

ISBN: 978-0-470-66481-0

Foreword to the First Edition

My good friends the authors of this book have kindly invited me to add a few words describing ‘how it all began'. At present one can write only an anecdotal history of stochastic geometry, and we must recognise that the anecdotes of others will certainly much extend the account given here, and will supply fresh perspectives. A serious attempt to write a history would be premature. The historian of mathematics looks always to the future rather than to the past. He hopes to find early instances of general concepts later seen to be of fundamental significance, and so if he works at a time of rapid development (such as the present) he will overlook many clues in the early record which point to a future not yet revealed.

My own first contact with classical geometrical probability occurred during the war, when the Superintendent of my group (Louis Rosenhead) asked me to investigate the following problem; for the sake of clarity I formulate it in the modern terminology.

A euclidean plane with a marked origin O carries a Poisson field of unsensed lines with a uniform intensity. Almost surely the point O will lie in the interior of a unique Crofton cell C, with (unlabelled) shape σ(C) and area a(C). What probability statements can be made about C which convey information about the strength of a fabric (‘a sheet of paper') consisting of the field of lines (‘fibres')? Thus it would be useful to be able to calculate the rate of occurrence of splinter-shaped cells C, and the rate of occurrence of cells with large area a(C).

A few moments of the a(C)-distribution were already known, and I managed to add one more to these. One would have preferred to be able to say something about the asymptotics of the marginal a(C)-distribution valid for large areas, and to throw light one way or the other on my conjecture that the conditional law for σ(C)|a(C) converges weakly, as a(C)→∞, to the degenerate law concentrated at the circular shape.

Unfortunately nothing substantial is known about either of these questions even today, apart from the limited information that can be derived from a massive series of simulations carried out in Stanford by E. I. George (1982, 1987) in association with Herbert Solomon.

In 1961 Roger Miles wrote his Cambridge PhD thesis on a generalised version of this problem under the direction of Dennis Lindley and Peter Whittle and in consultation with paper technology experts from Wiggins Teape Research and Development Ltd. This initiated a long series of famous papers by Miles which provide a huge volume of information about the problem as a whole without, however, bringing us any nearer to the answer to the two questions above.*

All this work was within the classical Croftonian framework, not however without hints that a statistical theory of shape could play a useful rôle. What we now call stochastic geometry began for me with three papers by Maurice Bartlett: ‘The spectral analysis of point processes' (J. Roy. Statist. Soc. B 1963), ‘The spectral analysis of two-dimensional point processes' (Biometrika 1964), and especially ‘The spectral analysis of line processes' (5th Berkeley Symp. 1967). These became available just when Rollo Davidson joined me as a research student in October 1965, and the impact of Bartlett's third paper can be felt in the Smith's Prize Essay which he wrote in 1967. As Bartlett's work had focused on the empirical spectral analysis of point and line processes, I encouraged Davidson to set up an appropriate theoretical framework underlying such an empirical analysis, and the second half of his PhD thesis was concerned with this; see Chapter 2.1 of Stochastic Geometry (ed. Harding and Kendall) for a reprint of it. The following two quotations give the flavour of the approach:

... we can talk of flat-and line-processes, meaning the point-processes that they induce on the appropriate manifolds,

... my results showed that it is profitable, when considering point-processes, to observe simply whether certain sets contain points of the process or not; the usual approach is, of course, to look at the number of points in these sets.

The first quotation, coupled with a general specification for a point process on a manifold M, takes us away from Croftonian geometric probability to the consideration of arbitrary random fields of geometric objects, while the second hints at a theory of random sets of very general character to replace the point process on the representation-manifold. Two such (closely related) theories of random sets very shortly afterwards became available; both were strongly influenced by earlier ideas due to Gustave Choquet. Stochastic Geometry thus became a reality.

When was the phrase ‘stochastic geometry’ first used? Klaus Krickeberg, who was to play a leading rôle in its development, thinks that perhaps he and I may have used the phrase informally in the Spring of 1969 when he was in Cambridge and we were planning the Oberwolfach meeting (for June 1969) on Integral Geometry and Geometrical Probability. This is very possible, because ‘stochastic analysis' was already in common use in the UK as part of the title of the Stochastic Analysis Group set up in December 1961 under the chairmanship of Harry Reuter, and one phrase naturally suggested the other. Certainly there was obviously no other choice for the titles of the two memorial books produced after Davidson's death in 1970. So 1969 was perhaps the year of coining. The initial group of enthusiasts could readily be identified by inspecting the Tagungsbuch at Oberwolfach. From the first Ruben Ambartzumian played a very important rôle and he has continued to influence the development of the subject in characteristic ways.

To some extent and to my great satisfaction there has also been a close association between those interested in stochastic geometry, and those interested in geometrical statistics, so that we now have a broad and lively subject area with abstract and empirical edges to it. I trust that this will continue, and the balance of the present book makes that seem likely.

Shape-theory is generally viewed as part of stochastic geometry and I think that this is as it should be. I have already mentioned one early hint at the need for a theory of shape, and here is a much earlier one. The Ladies' Diary (1706–1840), The Gentleman's Diary (1741–1840), and The Lady's and Gentleman's Diary (1841–1871) are mathematical periodicals known now perhaps only to a few specialists, but are worth very serious study because of the frequency with which important ideas first found explicit mention in their pages. In TLGD (1861) there is the following challenge by the London-based mathematician Wesley Stoker Woolhouse (1809–1893):

Problem 1987. Three points being taken at random in space as the corners of a plane triangle, determine the probability that it shall be acute.

A solution by Stephen Watson of Haydonbridge, Northumberland, appeared in the 1862 edition of the diary. It begins with the comment:

‘Space’ is equivalent to a sphere of infinite radius, and it is obvious that the chance will be the same whatever be the radius of the sphere within which the three points may lie; hence we may suppose them to always lie within a sphere of radius unity.

He then continues with an integration argument yielding the probability 33/70, and the probability 4/π2 − 1/8 for three points in a plane is added in a comment by Woolhouse.

Watson's solution provoked a strong reaction from Augustus de Morgan, who argued in Trans. Cambridge Philos. Soc.11 (1871) 145–189 that ‘it is very easily shown that the chance of an acute-angled triangle must be infinitely small'. The controversy raged for many years in the journal Mathematical Questions with their Solutions from the ‘Educational Times', where Woolhouse's challenge had been reprinted as Question 1333. The article on it by M. W. Crofton in 1867 is particularly interesting. In the pages of these journals we can see classical geometrical probability taking shape under our eyes.

But from our present point of view a most interesting comment is that Watson could very well have approximated to ‘infinite space’ by expanding an arbitrary compact convex set K about its centroid, and he would then have obtained a different answer based on the shape measure induced on (a hemisphere) by i. i. d.-uniform sampling from the interior of K, so that the resulting probability would depend on the shape of K itself, but not at all upon its size. Of course Watson's choice was a very natural one, because one feels that one is required to respect the isotropy of ‘infinite space’ –though this is a delusion, for the isotropy is only maintained at the centre of the sphere. Meaningless though Woolhouse's problem is, without further specification, any reader of this book will probably find it instructive as well as amusing to read through these old polemics. As the same protagonists occur again and again in the pages of the journals mentioned, and as they express themselves with considerable freedom, one soon becomes familiar with them on a personal basis, and the early history of our subject comes to life in a most vivid way.

It only remains to say that, given the spherical assumption, the numerical answers obtained by Watson and by Woolhouse are identical with those derived from the recent solution to the general problem in n dimensions given by G. R. Hall in J. Appl. Prob.19, 712–15 (1982).

David Kendall

Note

* David Kendall died in 2007 at age 89 years. So it is the authors' duty to inform the reader about the fate of his conjecture. David Kendall posed the problem in the foreword of the first (1987) edition of the present book, but only in its second (1995) edition the problem, known as Kendall's conjecture, attracted more interest. Miles (1995) offered a heuristic proof, and surprisingly, only two years later, in 1997, a solution was given by the Ukrainian I. N. Kovalenko (1997, 1999), known until that time as a queueing theorist. He even found a similar result for large cells of the Poisson-Voronoi tessellation in Kovalenko (1998). Kovalenko's main idea is to give an upper bound for some conditional probability, by enlarging the numerator and reducing the denominator. For the former he used Bonnesen's inequality (a refined form of the planar isoperimetric inequality), for the latter an explicit construction.

In a series of papers, German stochastic geometers (Hug, Reitzner and Schneider) ‘treated very general higher-dimensional versions, variants and analogy of Kendall's problem’, see Schneider and Weil (2008, p. 512) for an excellent overview. They considered the problem in d dimensions and could omit the isotropy assumption. For this, they started from Kovalenko's ideas but employed more sophisticated geometrical tools. In the anisotropic case ‘the asymptotic shape of such cells was found to be that of the so-called Blaschke body of the hyperplane process. This is (up to a dilatation) the convex body, centrally symmetric with respect to the origin, that has the spherical directional distribution of the hyperplane process as its surface area measure', see Hug and Schneider (2010). The last paper presents a solution for k-dimensional faces for 2 ≤ k ≤ d, that is, for the k-volume weighted typical k-face, for example a polygonal cell face in the three-dimensional case.

From the Preface to the First Edition

Complicated geometrical patterns occur in many areas of science and technology and often require statistical analysis. Examples include the structures studied in geology, sections of porous media, solid bodies, biological tissues, and patterns formed by the distinction between wood and field in a landscape. Analyses of such data sets require suitable mathematical models and appropriate statistical methods. The area of mathematical research that seeks to provide such models and methods is called Stochastic Geometry. The oldest part of this subject considers problems concerning a finite number of geometrical objects of fixed form, whose positions are completely random and (in some sense) uniformly distributed. The famous question of Buffon's needle is the prototype of these problems, which form the subject of Geometrical Probability. The modern theory of stochastic geometry (initiated by D. G. Kendall, K. Krickeberg, and R. E. Miles) considers random geometrical patterns (which may be infinite in extent) of more complicated distribution. Stereology is that branch of stochastic geometry which studies the problem of recovering information on three-dimensional structures when the only information available is two-or one-dimensional, obtained by planar or linear section.

This monograph grew out of a book originally published in German (Stoyan and Mecke, 1983b), but has undergone considerable expansion and reorganisation. Its aim is to make the results and methods of stochastic geometry more generally accessible to applied scientists, but also to provide an exposition which is mathematically exact and general, and which takes into account the current state of research in order to serve as an introduction to stochastic geometry for mathematicians. Of course these aims conflict and the resulting compromises have strongly influenced the form of the book. In most parts of the monograph proofs are omitted. The level of exposition is uneven and the subjects are treated with varying thoroughness: some topics are illustrated by numerical examples, some results are stated without much comment, others are accompanied by heuristic arguments, and sometimes substantial issues are dismissed with only a few remarks and a few references to the literature. Throughout the text attempts are made to explain the plausible nature and the underlying ideas of mathematical concepts, in order to facilitate the reader's understanding and to pave the way for a deeper study of the literature. Our hope is that those readers who do not wish to invest much effort in following mathematical arguments will nevertheless be able to interpret and to use most of the formulae.

There is some redundancy in the exposition but we believe this will help most readers. At some points it has been appropriate to use formulae and notation in anticipation of their introduction. In any case, readers may prefer to turn directly to the chapters concerning the topics that interest them the most, rather than to read though the book consecutively. Generally we have not sought to use the most elegant possible mathematical style but rather to strike a balance between generality and concrete special cases. For example, we use the theory of marked point processes, and this frees us from the need to consider point processes in abstract spaces.

At places we refer to ideas of mathematical physics that are related to the techniques of stochastic geometry. A closer collaboration between mathematical physicists and stochastic geometers might be very fruitful; the two subjects meet at several points but use different languages.

Mathematical terminology is used throughout the book. This exhibits some peculiarities due to historical accident. The word ‘process' as in ‘point process' and in ‘line process' does not imply any dependence on time (with the possible exception of point processes on the real line). A more logical terminology would use the phrases ‘random point field’ and ‘random line field'. ...

The examples in the book are for the most part concerned with the analysis and description of images by numbers and functions, and are drawn from various branches of science. Generally the theoretical basis of the statistical methods is not discussed. In some cases statistical methods are given and these enable the fitting of models to empirical data. Much work remains to be done on statistical theory for geometrical structures. For example, little is known of the distribution theory for most estimators appearing in this book.

A brief summary of the contents of the book will illustrate the way in which theory and practice are intertwined. The first chapter briefly introduces areas of mathematics with which most scientists and engineers are not familiar. ... We assume a basic knowledge of probability theory and statistics.

In the remaining chapters the development of the exposition does not proceed from the general to the particular but rather in the reverse direction. Thus Chapters 2 and 3 discuss the Poisson process and the Boolean model, which are simple cases of the random structures to be discussed in the remainder of the text. Chapters 4 and 5 continue the subject of point processes and give a general discussion; Chapter 6 expounds the general theory of random sets. Chapter 7 briefly introduces the important concept of a random measure, which arises throughout the subject at a more theoretical level. The theory of random processes of geometrical objects is introduced in Chapter 8, which leads on to the discussion of fibre processes in Chapter 9† and tessellations in Chapter 10. The final Chapter 11 is on stereology, which is of great importance in practice and uses results and ideas from all of the preceding discussion. ...

Note

† In the third edition Chapters 8 and 9 are combined to form a chapter on line, fibre and surface processes.

Preface to the Second Edition

We the authors present a second edition of our book. The first edition met with a kind reception and has become a standard reference in its field. This has encouraged us to retain its style and conception. As before this book has an applied character, presents the matter in a less than strictly sequential form and admits inhomogeneities in the presentation. Our personal taste and interests played an important rôle in choosing the topics.

We have tried to present many of the new ideas and developments in the fields of stochastic geometry and spatial statistics since 1987. They seem to us particularly prominent in the fields of Boolean models, stereology, random shapes, Gibbs processes, and random tessellations. The progress of these years is also visible in the jacket of this book: a figure in Chapter 10 of the old edition presented a small part of a Johnson–Mehl tessellation (drawn by hand by H. Stoyan); this has been replaced by a computer-generated figure containing many cells, and we have used a similar figure to decorate the cover of the new edition.

We hope very much that our readers will find the style and presentation of the second edition better than that of its predecessor. It was a pleasure to eliminate a series of misprints and (we have to confess) errors; and also the poor texture of the paper of the first edition can now be forgotten. We also hope that the many minor additions will be noticed, which arose from many discussions with colleagues. On the other hand we have to warn our readers that at a few points notation has been changed; we hope that the number of new misprints and errors is small.

As in the first edition, we do not present all which may go under the names ‘stochastic geometry’ and ‘spatial statistics'. This is quite appropriate since there are already specialised books on spatial statistics (Cressie, 1993), fractals (Falconer, 1990; Stoyan and Stoyan, 1994), random shapes (Stoyan and Stoyan, 1994; Barden, Carne, Kendall, and Le, 1996‡), and integral geometry (Schneider, 1993).

Producing the manuscript of the second edition was not an easy task for us because of our various other professional duties. It was only possible with the help of many friends and colleagues. They read whole chapters or parts of them and suggested many corrections and additions. We are very grateful to them: S. N. Chiu, L. M. Cruz-Orive, L. Heinrich, D. G. Kendall, M. N. M. van Lieshout, U. Lorz, K. V. Mardia, I. Molchanov, L. Muche, W. Nagel, J. Ohser, R. Schneider, and E. Schüle.

The hard technical work was done by H. Stoyan, assisted by I. Gugel and R. Pohlink. She did this work with incredible care and patience and also suggested many corrections and improvements of a scientific nature.

We have also to thank two collections of electronic software. LATEX proved to be an excellent tool for the production of our manuscript: in common with very many other mathematical scientists, we owe an almost incalculable debt to D. E. Knuth and L. Lamport. The first edition was still produced in the classical way using lead type, and so W.S.K. may be one of the last Englishmen to have seen in his proofs a ‘Zwiebelfisch’ (the German word for a letter standing on the head).§ The existence of e-mail made the correspondence between Warwick, Chichester and Freiberg easy and very fast. (It would have seemed incredible to us ten years ago, but the authors did not have any personal meeting during the work for the manuscript.) We also thank Stuart Gale of John Wiley & Sons Ltd. for his work as an editor; his predecessor of the first edition, Dr R. Höppner, is now Ministerpräsident of the German Bundesland Sachsen-Anhalt.

July 1995

The authors

Notes

‡ This actually refers to D. G. Kendall et al. (1999).

§ In some sense, this was not true. In the 1995 edition the name ‘Hansen’ was written as ‘Hausen'. The ‘u’ can be seen as a upside-down ‘n’ and hence can be regarded as a Zwiebelfisch, but in fact it was a typo.

Preface to the Third Edition

It is perhaps unusual to make a third edition of a book 18 years after its second. However, the authors remained active in the field of the book and observed with pleasure that the second edition, abbreviated as ‘SKM95’ in the text, became a standard reference for (applied) stochastic geometry and wished to maintain this status for the future. Finally and crucially, the original authors found a younger new co-author, so being competent to produce a modernised book.

In the years since 1995 many other books on stochastic geometry have been published, but all have been of a nature different from SKM95. There are now excellent books of a high theoretical level such as Schneider and Weil (2008) and Kendall and Molchanov (2010). The present book uses them as references and source for proofs of complicated mathematical facts and by no means aims to compete with them. Then there are now specialised books which present the methods of image analysis and processing of lattice data coming from modern imaging techniques, such as Ohser and Schladitz (2009). On the other hand there are now various books which present ideas of stochastic geometry to physicists, engineers and others, such as Ohser and Mücklich (2000), Torquato (2002) and Buryachenko (2007). However, none of these books plays the rôle of SKM95, as a book which is accessible for a broad readership of applied mathematicians, physicists and engineers, but also presents mathematical foundations and in some cases mathematical proofs. By the way, the selection of the statements which are proved was made according to the following considerations: proofs are included when they show how the mathematical tools work, where the argument is not too complex and where somehow unexpected results are derived. The book by Schneider and Weil (2008) clearly demonstrates how large a book may become if it aims to give nearly ‘all’ proofs.

In the process of modernising (and correcting errors in) SKM95, which started in 2010, the authors learned which areas of stochastic geometry have been particularly active. The first such area is the theory of random sets, where new books such as Molchanov (2005) and Nguyen (2006) were published and many new models have been developed, for example in Baccelli and Błaszczyszyn (2009a,b). The second is the theory of tessellations. The corresponding Chapter 9 of this book was enlarged by new sections on networks and random graphs since these areas are becoming more and more important. Of course, the classical branches such as the theory of point processes also developed new ideas, and so the important theory of point-stationarity and balanced partitions appears in Chapter 4. Unfortunately, in order to limit the volume of the new book the section on random shape theory had to be omitted. A reason for this omission is that there are now excellent books on random shape theory with which the present book could never compete. Nevertheless, this edition is still much thicker than its predecessor and has about 700 new references, though about 300 outdated references have been deleted.

In the years since 1995 stochastic geometry further developed as a mathematical discipline. This has resulted in simplifying and generalising its theories and making its notation more elegant. For example, the Minkowski functionals intensively used by Matheron have been replaced by the intrinsic volumes. The description of tessellations has been refined to include not necessarily face-to-face tessellations in the theory, following R. Cowan and V. Weiß.

In discussing changes in the notation, it may be interesting to add some words about the notation used in this book. Unfortunately, there is no unique notation system in stochastic geometry. Even the various book authors have different personal notations. And the notations used by mathematicians and physicists differ greatly.

This book commits to a consistently mathematical notation as exemplified by the use of E(X) for the mean of X instead of X as physicists would write. As geometers do, the multidimensional space is denoted by , with d as ‘dimension'.

Various traditions come together in the notation of the present book. Queueing theorists played a significant rôle in the early development of point process theory and stochastic geometry. As a consequence, the intensity or density is conventionally denoted by λ. This follows the queueing tradition, which denotes the arrival and service rates of queueing systems by λ and μ. Product densities are denoted by (n), following an old notation system of physicists, to which, by the way, the symbol for the intensity belongs. The authors considered replacement of λ by , but the tradition was stronger and even the youngest author argued in favour of old λ; moreover a capital Λ is needed, whereas the capital counterpart to is P, which has many other uses in the book. The Lebesgue measure is sometimes denoted by λ, which does not fit into this scheme; and also μ is too often used for means. Thus also in this edition the Lebesgue measure is again denoted by ν.

There is some influence of the now classical book Matheron (1975). The French ‘fermé’ has led to for the system of all closed subsets of and the related and . And bd with ‘b’ as ‘ball’ is used for the volume of the unit ball in , for which other authors use κd and ωd, and the ball with centre x and radius r is B(x, r).

Finally, the use of Φ to denote a point process goes back to Klaus Matthes.

It is a pleasure to thank here all the colleagues who helped us in producing the manuscript of the third edition. The list is so long that we may speak of a ‘collective work'. In alphabetic order we name R. Adler, A. Baddeley, F. Baccelli, F. Ballani, S. Bernstein, B. Błaszczyszyn, P. Calka, S. Ciccariello, R. Cowan, D. Dereudre, W. Gille, P. Grabarnik, P. Hall, L. Heinrich, H. Hermann, J. Janáek, S. Kärkkäinen, M. Kiderlen, M. Lang, G. Last, T. Mattfeldt, N. Medvedev, I. Molchanov, J. Møller, L. Muche, W. Nagel, A. Penttinen, P. Ponížil, C. Redenbach (née Lautensack), V. Schmidt, R. Schneider, D. Schuhmacher, V. Weiß, K. Y. Wong and S. Zuyev.

A particular rôle as readers and suppliers of mathematical criticism of whole chapters was played by P. Grabarnik, L. Muche, W. Nagel and J. Ohser. G. Last read Chapter 4 and wrote for us the Sections 4.4.9 and 4.4.10. K. Y. Wong offered technical support. Finally, R. Schneider answered with great patience many questions from D.S.

This book contains an accompanying website. Please visit www.wiley.com/go/cskm

Autumn 2012

The authors

Notation

This index contains only the notation used throughout the book. Symbols with localised usage are omitted, as are ‘standard’ symbols such as e and π.