A FURTHER COMMENT ON THE HAMILTON FORMALISM FOR NONLINEAR INTEGRABLE MODELS

1993 ◽  
Vol 08 (31) ◽  
pp. 2919-2926
Author(s):  
EI-ICHIRO KAWAI
Keyword(s):  
Operator Equation ◽  
Integrable Models ◽  
Careful Attention ◽  
Curvature Equation ◽  
Hamilton Formalism ◽  
Theoretic Concept ◽  
Preceding Work ◽  
Hamiltonian Operators

An attractive operator equation, explicated in the preceding work,1 is intensively investigated with careful attention paid to its characteristics originated by alternate action of dual Hamiltonian operators. In this context, it is argued that its amenable modification can be thought of as a sort of null curvature equation. On the basis of such intriguing view, an application of the fruitful gauge-theoretic concept is tried, from which a novel formula for obtaining systematically the conserved Hamiltonian functionals is derived as a by-product.

A COMMENT ON THE HAMILTON FORMALISM FOR NONLINEAR INTEGRABLE MODELS

1993 ◽  
Vol 08 (20) ◽  
pp. 1891-1899
Author(s):  
EI-ICHIRO KAWAI
Keyword(s):  
Integrable Model ◽  
Integrable Models ◽  
Symplectic Structures ◽  
Infinite Dimensional ◽  
Hamilton Formalism

It is clarified that by taking dual symplectic structures into account in an infinite-dimensional phase manifold, at least one of which must be nonlinear, induces a completely unique nonlinear integrable model.

Practical High Resolution Microscopy

1968 ◽  
Vol 26 ◽  
pp. 302-303
Author(s):  
P. A. Marsh ◽  
T. Mullens ◽  
D. Price
Keyword(s):  
High Resolution ◽  
Magnetic Fields ◽  
Low Frequency ◽  
Resolving Power ◽  
Careful Attention ◽  
Electron Microscopes ◽  
The Relationship ◽  
High Resolution Microscopy ◽  
New Facilities

It is possible to exceed the guaranteed resolution on most electron microscopes by careful attention to microscope parameters essential for high resolution work. While our experience is related to a Philips EM-200, we hope that some of these comments will apply to all electron microscopes.The first considerations are vibration and magnetic fields. These are usually measured at the pre-installation survey and must be within specifications. It has been our experience, however, that these factors can be greatly influenced by the new facilities and therefore must be rechecked after the installation is completed. The relationship between the resolving power of an EM-200 and the maximum tolerable low frequency interference fields in milli-Oerstedt is 10 Å - 1.9, 8 Å - 1.4, 6 Å - 0.8.

Moving to paradise for the children’s sake

2018 ◽  
Vol 15 (1) ◽  
pp. 55-65 ◽  
Author(s):  
Mari Korpela
Keyword(s):  
Quality Of Life ◽  
Natural Environment ◽  
Moral Panic ◽  
Careful Attention ◽  
Lifestyle Choice ◽  
Transnational Mobility ◽  
Children’S Views

Increasing numbers of “Western” families spend several months a year in Goa, India, and the rest of the time in the parents’ passport countries or elsewhere. These “lifestyle migrants” are motivated by a search for “a better quality of life”, and the parents often claim that an important reason for their lifestyle choice is that it is better for the children to be in Goa, where they have enriching experiences and enjoy playing freely outdoors, in a natural environment. This article discusses parents’ and children’s views of this lifestyle. It argues that although the lifestyle sometimes causes moral panic among outsider adults who see regular transnational mobility as a sign of instability, a closer look reveals that there are various aspects of stability in the children’s lives. Paying careful attention to the parents’ and children’s own accounts, and the empirical realities of their lives, enables us to reach beyond normative judgements.

Bad Dreams and Secret Artists: Translating Freud into Literature

2002 ◽  
Vol 4 (2) ◽  
pp. 127-139 ◽  
Author(s):  
Ian Patterson
Keyword(s):  
Sigmund Freud ◽  
Ordinary Language ◽  
Close Reading ◽  
Careful Attention ◽  
Popular Approach ◽  
English Reader ◽  
Creative Writer ◽  
The Many ◽  
The Way

This article addresses the increasingly popular approach to Freud and his work which sees him primarily as a literary writer rather than a psychologist, and takes this as the context for an examination of Joyce Crick's recent translation of The Interpretation of Dreams. It claims that translation lies at the heart of psychoanalysis, and that the many interlocking and overlapping implications of the word need to be granted a greater degree of complexity. Those who argue that Freud is really a creative writer are themselves doing a work of translation, and one which fails to pay sufficiently careful attention to the role of translation in writing itself (including the notion of repression itself as a failure to translate). Lesley Chamberlain's The Secret Artist: A Close Reading of Sigmund Freud is taken as an example of the way Freud gets translated into a novelist or an artist, and her claims for his ‘bizarre poems' are criticized. The rest of the article looks closely at Crick's new translation and its claim to be restoring Freud the stylist, an ordinary language Freud, to the English reader. The experience of reading Crick's translation is compared with that of reading Strachey's, rather to the latter's advantage.

Educar la mirada: Un proyecto de creación audiovisual para sujetos no productivos

2020 ◽  
Author(s):  
Mariano García Plaza ◽  
Marisa Víctor Crespo ◽  
Jesús Ramé López
Keyword(s):  
Public School ◽  
Technological Development ◽  
Careful Attention ◽  
Educational Community ◽  
Audiovisual Communication ◽  
Creative People ◽  
Daily Lives ◽  
The Public ◽  
Historical Landscape ◽  
Language Patterns

Multiscreen society bombards us with images about which we can not think, to this is added a technological development that is hast urned us as a issues – receivers of pictures / images in our daily lives. Thus arises a need to deepen the possibilities of emancipation that the current socio-historical landscape can have.“Educar la mirada” we are a group of professionals in education and audiovisual communication that pretend, through film- art and new audiovisual creation devices, to encourage literacy and audiovisual creation for life. We start from work with collectives whose artistic motive has no lucrative interest, such as the public school; hence our interest in non-productive subjects. This project arises from the work carried out by the Trabenco Educational Community ( Public School ) in relation to the environment that exists between childhood and the audiovisual media.Theories of reflection on audiovisual literacy and ways of doing creative people who have a clearer meaning for our approach are: F.P.R Bergala, work CineSinAutor, proposals for Medvedkin, language patterns Alxander and creative crystallizations by authors such as Trier, Rossellini, Rodari, Vigotsky or Svankmajer.This project aims at a careful attention to the audiovisual with the intention of giving it a use beyond stagnant paradigms, where the possibilities we seek are those that make effective the needs and purposes that are given by the collectives themselves.

On the Solvability of the Operator Equation AT+T *B=C

2012 ◽  
Vol 15 (2) ◽  
pp. 156-160
Author(s):  
Amina R. Muhammad ◽  
Keyword(s):  
Operator Equation

Natural Rights in Albert the Great

2017 ◽  
Author(s):  
Mónica García-Salmones Rovira
Keyword(s):  
Thomas Aquinas ◽  
Natural Rights ◽  
Careful Attention ◽  
Natural Right ◽  
Early Appearance ◽  
Albert The Great

Paying careful attention to his use of language, this chapter introduces Albert the Great’s contribution to natural rights into the scholarly debate between subjective and objective rights. Teacher of Thomas Aquinas, Albert’s work on ius naturale has been overshadowed in many aspects by the significance and impact of his student’s. However, Albert’s early appearance on the stage of empirical sciences as a student of nature has been widely recognized. Eclectic in his use of sources, Albert would generously use Stoic writings, and would become as well a first-rate commentator of Aristotle’s works. As a theologian, Albert’s Augustinian influences cannot be neglected. The text examined here, De bono (1242), constitutes an early and thorough elaboration of an original doctrine of natural right and, importantly, of natural rights.

scholarly journals Convergence Rates of First- and Higher-Order Dynamics for Solving Linear Ill-Posed Problems

2021 ◽  
Author(s):  
Radu Boţ ◽  
Guozhi Dong ◽  
Peter Elbau ◽  
Otmar Scherzer
Keyword(s):  
Linear Operator ◽  
Operator Equation ◽  
Convex Analysis ◽  
Convergence Rates ◽  
Linear Operator Equation ◽  
Optimal Convergence Rates ◽  
Ill Posed ◽  
Thresholding Algorithm ◽  
The Given ◽  
Theoretical Results

AbstractRecently, there has been a great interest in analysing dynamical flows, where the stationary limit is the minimiser of a convex energy. Particular flows of great interest have been continuous limits of Nesterov’s algorithm and the fast iterative shrinkage-thresholding algorithm, respectively. In this paper, we approach the solutions of linear ill-posed problems by dynamical flows. Because the squared norm of the residual of a linear operator equation is a convex functional, the theoretical results from convex analysis for energy minimising flows are applicable. However, in the restricted situation of this paper they can often be significantly improved. Moreover, since we show that the proposed flows for minimising the norm of the residual of a linear operator equation are optimal regularisation methods and that they provide optimal convergence rates for the regularised solutions, the given rates can be considered the benchmarks for further studies in convex analysis.

scholarly journals Complicated Diverticular Disease

2020 ◽  
Author(s):  
Kathleen M. Coakley ◽  
Bradley R. Davis ◽  
Kevin R. Kasten
Keyword(s):  
Postoperative Complications ◽  
Diverticular Disease ◽  
Surgical Intervention ◽  
Management Strategies ◽  
Significant Risk ◽  
Complicated Diverticulitis ◽  
Careful Attention ◽  
Correct Treatment ◽  
Treatment Paradigm ◽  
Colonic Diverticular Disease

AbstractThe modern management of colonic diverticular disease involves grouping patients into uncomplicated or complicated diverticulitis, after which the correct treatment paradigm is instituted. Recent controversies suggest overlap in management strategies between these two groups. While most reports still support surgical intervention for the treatment of complicated diverticular disease, more data are forthcoming suggesting complicated diverticulitis does not merit surgical resection in all scenarios. Given the significant risk for complication in surgery for diverticulitis, careful attention should be paid to patient and procedure selection. Here, we define complicated diverticulitis, discuss options for surgical intervention, and explain strategies for avoiding operative pitfalls that result in early and late postoperative complications.

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