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It is probably true quite generally that in the history of human thinking the most fruitful developments frequently take place at those points where two different lines of thought meet. Hence, if they actually meet, that is, if they are at least so much related to each other that a real interaction can take place, then one may hope that new and interesting developments may follow. Werner Heisenberg This volume contains papers presented at the August 1992 NATO Advanced Study Institute on Wavelets and Their Applications. The conference was held at the beautiful Il Ciocco resort near Lucca, in the glorious Tuscany region of northern Italy. Once again we gathered at this idyllic spot to explore and extend the reciprocity between mathematics and engineering. The dynamic interaction between world-renowned scientists from the usu ally disparate communities of pure mathematicians and applied scientists, which occurred at our 1989 and 1991 ASI's, continued at this meeting. Wavelet theory and technology is in an important growth stage at which theoretical and practical results are being compared with existing methods. There have been spectacular wavelet successes and sobering comparisons with traditional ideas-but still there is a wide expanse of scientific problems to explore. Since these problems lie at the forefront of both pure mathematics and applied science, our NATO ASI was especially pertinent at this time."
Probability has been an important part of mathematics for more than three centuries. Moreover, its importance has grown in recent decades, since the computing power now widely available has allowed probabilistic and stochastic techniques to attack problems such as speech and image processing, geophysical exploration, radar, sonar, etc. -- all of which are covered here. The book contains three exceptionally clear expositions on wavelets, frames and their applications. A further extremely active current research area, well covered here, is the relation between probability and partial differential equations, including probabilistic representations of solutions to elliptic and parabolic PDEs. New approaches, such as the PDE method for large deviation problems, and stochastic optimal control and filtering theory, are beginning to yield their secrets. Another topic dealt with is the application of probabilistic techniques to mathematical analysis. Finally, there are clear explanations of normal numbers and dynamic systems, and the influence of probability on our daily lives.
This volume contains the papers that were accepted for presentation at the - ternationalConferenceonT X, XML, andDigitalTypography, jointlyheld with E the 25th Annual Meeting of the T X Users Group in Xanthi, Greece in the sum- E mer of2004.Theterm DigitalTypography refersto thepreparationofprinted matter using only electronic computers and electronic printing devices, such as laser-jetprinters.Thedocumentpreparationprocessinvolvesmainlytheuseofa digital typesetting system as well as data representation technologies. TXand E its o?spring are beyond doubt the most successful current digital typesetters, while XML is the standard for text-based data representation for both business and scienti?c activities. Allpapersappearinginthisvolumewerefullyrefereedbythemembersofthe program committee. The papers were carefully selected to re?ect the research work that is being done in the ?eld of digital typography using T X and/or its E o?spring. The problems for which comprehensivesolutions have been proposed include proper multilingual document preparation and XML document processing and generation. The proposed solutions deal not simply with typesetting issues, but also related issues in document preparation, such as the manipulation of c- plex bibliographic databases, and automatic conversion of text expressed in one grammaticalsystem to a more recent one (as for the Greek language, converting between monotonic Greek and polytonic Greek). The conference is being graciously hosted by the Democritus University of Thrace in Xanthi and by the Greek T X Friends. We wish to thank Basil K."
Wavelets and wavelet packets provide a theory analogous to Fourier analysis and tools analogous to coherent state methods. Among their numerous applications, wavelets have been used to data compression in both image and sound processing. They are intimately related to splines, and wavelet applications in spline theory are significant. Wavelets have become a tool in analyzing fractals and iterative schemes associated with dynamical systems. Signal processing methods such as quadrature mirror filters go hand in hand with wavelet techniques in studying a host of communcations problems. The profound issues of classical turbulence are being studied using wavelet packets. Both wavelet packet software and wavelet transform microchips are now available. There are also applications of wavelet theory in theoretical physics, oil exploration, irregular sampling, and singular integral operators. Many of the world's experts in the field of wavelets were principal speakers at the ASI, and their papers appear in this volume. Furthermore, these renowned scientists addressed their talks to an audience which consisted of a broad spectrum of pure and applied mathematicians, as well as a diverse group of engineers and scientists. Thus, the reader has the opportunity to both learn or reinforce the fundamental concepts from the individuals who have created and developed the blossoming field of wavelets, and to see them discuss in accessible terms their profound contributions and ideas for future research.
Probability has been an important part of mathematics for more than three centuries. Moreover, its importance has grown in recent decades, since the computing power now widely available has allowed probabilistic and stochastic techniques to attack problems such as speech and image processing, geophysical exploration, radar, sonar, etc. -- all of which are covered here. The book contains three exceptionally clear expositions on wavelets, frames and their applications. A further extremely active current research area, well covered here, is the relation between probability and partial differential equations, including probabilistic representations of solutions to elliptic and parabolic PDEs. New approaches, such as the PDE method for large deviation problems, and stochastic optimal control and filtering theory, are beginning to yield their secrets. Another topic dealt with is the application of probabilistic techniques to mathematical analysis. Finally, there are clear explanations of normal numbers and dynamic systems, and the influence of probability on our daily lives.
TeX is a sophisticated typesetting system that has been in widespread use since approximately 1980. TeX's originator, Donald Knuth, structured the system so users could add functionality. The TeX Users Group (TUG) was founded in 1980 "for educational and scientific purposes, to provide an organization for those who have an interest in typography and font design, and are users of the TeX typesetting system." This book contains interviews with about 50 people who have been or are active users or developers of TeX and its variations or active in TUG or one of the many local TeX user groups. As such, the book provides something of a history of the evolution of TeX and profiles of the people instrumental in this evolution.
The typesetting system TeX, invented by Donald Knuth, is thirty-two years old in 2010. For this anniversary, a commemorative book has been prepared containing example papers by Knuth and the Stanford graduate students who helped develop TeX. These papers all were selected from the TeX Users Group's TUGboat journal archive.
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