Search Results for cellular-structures-in-instabilities

Author: J. E. Wesfreid

Publisher: Springer Verlag

ISBN: UOM:39015046271402

Category: Science

Page: 389

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1984 By J. E. Wesfreid

Cancer: Cell Structures, Carcinogens and Genomic Instability Edited by Leon P. Bignold © 2006 Birkhäuser Verlag/Switzerland 131 Actions of ultraviolet light on cellular structures David I. Pattison and Michael J. Davies The Heart ...

Author: Leon P. Bignold

Publisher: Springer Science & Business Media

ISBN: 9783764373788

Category: Medical

Page: 376

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This volume began with an invitation from the publishers to edit a volume of EXS on Cancer. This invitation undoubtedly derived from my articles in Cellular and Molecular Life Sciences in 2002 and 2003 on the relationships between the morphology, aetiology and pathogenesis of tumours, especially in relation to genetic instability. After many years of teaching the theories of c- cer in undergraduate medical school courses, it seemed to me that the variably chaotic histopathologic features of tumours parallel in some way, the variably unstable genomes of tumour cells, which were being discovered in the 1990s. Thus the title of the volume has come to include morphology, carcinogenesis and genetic instability. The invitation came while I was working with Herrn Dr. med. Hubertus Jersmann (MD Düsseldorf, PhD, now Senior Lecturer in Medicine of the University of Adelaide) and Professor Brian Coghlan (Emeritus Professor of German, the University of Adelaide), on the work of the nineteenth century cancer pathologists, especially David Paul von Hansemann (1858–1920). With the delivery of the manuscripts from the authors of the chapters, it became obvious that a background chapter for the volume could include some of the material which we had “uncovered” together. Because of this, chapter 1 is authored by the three of us, and the “new” material figures prominently.
2006-01-27 By Leon P. Bignold

This work was supported by the DGICYT (Spanish Government) under the grant PB90-0362 and by a Spain-Germany Integrated Action (26, 1991; 73, 1992) References [1] J. E. Wesfreid and S. Zaleski eds., Cellular Structures in Instabilities ...

Author: E. Tirapegui

Publisher: Springer Science & Business Media

ISBN: 9789401119061

Category: Mathematics

Page: 374

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We have classified the articles presented here in two Sections according to their general content. In Part I we have included papers which deal with statistical mechanics, math ematical aspects of dynamical systems and sthochastic effects in nonequilibrium systems. Part II is devoted mainly to instabilities and self-organization in extended nonequilibrium systems. The study of partial differential equations by numerical and analytic methods plays a great role here and many works are related to this subject. Most recent developments in this fascinating and rapidly growing area are discussed. PART I STATISTICAL MECHANICS AND RELATED TOPICS NONEQUILIBRIUM POTENTIALS FOR PERIOD DOUBLING R. Graham and A. Hamm Fachbereich Physik, Universitiit Gesamthochschule Essen D4300 Essen 1 Germany ABSTRACT. In this lecture we consider the influence of weak stochastic perturbations on period doubling using nonequilibrium potentials, a concept which is explained in section 1 and formulated for the case of maps in section 2. In section 3 nonequilibrium potentials are considered for the family of quadratic maps (a) at the Feigenbaum 'attractor' with Gaussian noise, (b) for more general non Gaussian noise, and (c) for the case of a strange repeller. Our discussion will be informal. A more detailed account of this and related material can be found in our papers [1-3] and in the reviews [4, 5], where further references to related work are also given. 1.
2012-12-06 By E. Tirapegui

[19] Sridharan, S.: Doubly Symmetric Interactive Buckling of Plate Structures, Int. J. Solids Struct., 19 (1983), ... 28 Potier-Ferry, M.: Wavelength Selection and Pattern Localization in Buckling Problems,in: Cellular Structures in ...

Author: Jacques Rondal

Publisher: Springer

ISBN: 9783709125106

Category: Technology & Engineering

Page: 372

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The aim of the book is to fill up the gaps between theoretical, numerical, and practical design approaches in the field of coupled instabilities of metal structures. The book is organized in a way leading progressively from the mathematical basic theories to the design aspects through numerical and semi-empirical approaches of the interactive buckling of metal structures. Optimum design account taken of coupled instabilities and code aspects are also briefly covered.
2014-05-04 By Jacques Rondal

1/6kcq (ODI/3a) The zig-zag instability occurs for decreasing D!, when DL vanishes. The nonlinear terms renormalizes the diffusivity which ... instability thus appears as a singular behavior of one-dimensional cellular structures. 2.4.

Author: E. Tirapegui

Publisher: Springer Science & Business Media

ISBN: 9789400937833

Category: Mathematics

Page: 337

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Approach your problems from the right end It isn't that they can't see the solution. It is and begin with the answers. Then one day, that they can't see the problem. perbaps you will find the final question. G. K. Chesterton. The Scandal of Father 'The Hermit Clad in Crane Feathers' in R. Brown 'The point of a Pin'. van GuIik's The Chinese Maze Murders. Growing specialization and diversification have brought a host of monographs and textbooks on increasingly specialized topics. However, the "tree" of knowledge of mathematics and related fields does not grow only by putting forth new branches. It also happens, quite often in fact, that branches which were thought to be completely disparate are suddenly seen to be related. Further, the kind and level of sophistication of mathematics applied in various sciences has changed drastically in recent years: measure theory is used (non-trivially) in regional and theoretical economics; algebraic geometry interacts with physics; the Minkowsky lemma, coding theory and the structure of water meet one another in packing and covering theory; quantum fields, crystal defects and mathematical programming profit from homotopy theory; Lie algebras are relevant to filtering; and prediction and electrical engineering can use Stein spaces. And in addition to this there are such new emerging subdisciplines as "experimental mathematics", "CFD", "completely integrable systems", "chaos, synergetics and large-scale order", which are almost impossible to fit into the existing classification schemes. They draw upon widely different sections of mathematics.
2012-12-06 By E. Tirapegui

Equations Differentielles Ordinaires. MIR, Moscow, 1969. . Potier-Ferry. Wavelength selection and pattern localization in buckling problems. In J.E. Wesfreid and S. Zalesky, editors, Cellular Structures in Instability Problems.

Author: Marcello Pignataro

Publisher: Springer Science & Business Media

ISBN: 9783211380284

Category: Technology & Engineering

Page: 336

View: 526

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The study of structural instability plays a role of primary importance in the field of applied mechanics. Despite the remarkable progresses made in the recent past years, the structural instability remains one of the most challenging topics in applied - chanics. Many problems have bee:: solved in the last decades but still many others remain to be solved satisfactorily. The increasing number of papers published in jo- nals and conferences organized by ECCS, SSRC, IUTAM, and EUROMECH strongly indicates the interest of scientists and engineers in the subject. A careful examination of these publications shows that they tend to fall into one of the two categories. The first is that of practical design direction in which methods for analyzing specific stability problems related to some specific structural typologies are developed. The research works are restricted to determining the critical load, considering that it is sufficient to know the limits of stability range. These studies are invaluable since their aim is to provide solutions to practical problems, to supply the designer with data useful for design and prepare norms, specifications and codes. The second direction is that of theoretical studies, aiming at a mathematical modeling of the instability problems, for a better understanding of the phenomena. In these studies, special emphasis is placed on the behavior of structures after the loss of stability in the post-critical range. This approach is less familiar to designers as its results have not yet become part of current structural design practice.
2007-07-15 By Marcello Pignataro

Author: J. E. Wesfreid

Publisher: Springer

ISBN: 3662198045

Category: Science

Page: 392

View: 535

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2014-03-12 By J. E. Wesfreid

Author: Jose E. Wesfreid

Publisher:

ISBN: OCLC:636408580

Category:

Page: 389

View: 375

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When D') < 0, a diffusional instability may occur leading first to the formation of cellular structures which may be associated to the vein structure of the matrix. By increasing the stress intensity, the freeing of trapped dislocations ...

Author: E. Tirapegui

Publisher: Springer Science & Business Media

ISBN: 9789400923058

Category: Mathematics

Page: 314

View: 778

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We present here a selection of the seminars given at the Second International Workshop on Instabilities and Nonequilibrium Structures in Valparaiso, Chile, in December 1987. The Workshop was organized by Facultad de Ciencias Fisicas y Matematicas of Universidad de Chile and by Universidad Tecnica Federico Santa Maria where it took place. This periodic meeting takes place every two years in Chile and aims to contribute to the efforts of Latin America towards the development of scientific research. This development is certainly a necessary condition for progress in our countries and we thank our lecturers for their warm collaboration to fulfill this need. We are also very much indebted to the Chilean Academy of Sciences for sponsoring officially this Workshop. We thank also our sponsors and supporters for their valuable help, and most especially the Scientific Cooperation Program of France, UNESCO, Ministerio de Educaci6n of Chile and Fundaci6n Andes. We are grateful to Professor Michiel Hazewinkel for including this book in his series and to Dr. David Larner of Kluwer for his continuous interest and support to this project.
2012-12-06 By E. Tirapegui

Significant progress have been achieved in the experimental analysis of instabilities and hydrodynamical flows ... Beyond this threshold ( instability or bifurcation point ) , convection sets as cellular structures associated with ...

Author: Orazio Descalzi

Publisher: Springer Science & Business Media

ISBN: 1402018258

Category: Science

Page: 388

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The contents of this book correspond to Sessions VII and VIII of the International Workshop on Instabilities and Nonequilibrium Structures which took place in Viña del Mar, Chile, in December 1997 and December 1999, respectively. Part I is devoted to self-contained courses. Three courses are related to new developments in Bose-Einstein condensation: the first one by Robert Graham studies the classical dynamics of excitations of Bose condensates in anisotropic traps, the second by Marc Etienne Brachet refers to the bifurcations arising in attractive Bose-Einstein condensates and superfluid helium and the third course by André Verbeure is a pedagogical introduction to the subject with special emphasis on first principles and rigorous results. Part I is completed by two courses given by Michel Moreau: the first one on diffusion limited reactions of particles with fluctuating activity and the second on the phase boundary dynamics in a one dimensional nonequilibrium lattice gas. Part II includes a selection of invited seminars at both Workshops.
2004-03-31 By Orazio Descalzi