Xem 1-20 trên 99 kết quả Dimension one
  • Annals of Mathematics In this paper we will solve one of the central problems in dynamical systems: Theorem 1 (Density of hyperbolicity for real polynomials). Any real polynomial can be approximated by hyperbolic real polynomials of the same degree. Here we say that a real polynomial is hyperbolic or Axiom A, if the real line is the union of a repelling hyperbolic set, the basin of hyperbolic attracting periodic points and the basin of infinity.

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  • In the military, you cannot fight a battle without ammunition, guns, food and transport. This is an aspect of logistics. Similarly, you cannot run a project without certain requirements, e.g. you cannot develop a curriculum without a budget, subject experts, students to benefit from the curriculum, and so forth. Project Risks Project risks are the anticipated and unanticipated obstacles that might arise in the course of a given project. A risk analysis is conducted in order to isolate the most likely ones, and involves answering the question: “What could go wrong?” ...

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  • Between the covers of this remarkable text one can experience, at near warp speed, a journey through the cosmos of subject matter dealing with dimensioning and tolerancing of mechanical products. The editor, as one of the contributing authors, has aptly summarized the content broadly as “about product variation.” The contained chapters proceed then to wend their way through the various subjects to achieve that end.

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  • For centuries the human race has noted and recorded for the following purposes: memory; communication; problem solving and analysis; creative thinking; and summarisation, etc. The techniques that have been used to do this include sentences, lists, lines, words, analysis, logic, linearity, numbers, and monotonic (one colour) usage. Good though some of these systems seemed, they have all used what you know to be the dominantly 'left cortical' thought modalities.

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  • The discourses and institutions of human rights are contemporary devices for bringing morality to bear on the harsh realities of political, economic and social life. These attempts to render the conditions of human existence more tolerable and more dignified tend to focus mainly on the role of domestic and international law and the conduct of states and the international institutions that represent them.

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  • We Americans assume that our economic system will always scamper to provide us with the products we want. Special orders don’t upset us! I want my MTV! The truth is more complicated, especially in our education system, which is paid for by the students but controlled by the professoriate. Witness the perverse success of the bloated science textbook.

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  • The statistical analysis of multivariate data requires a variety of techniques that are entirely different from the analysis of one-dimensional data. The study of the joint distribution of many variables in high dimensions involves matrix techniques that are not part of standard curricula. The same is true for transformations and computer-intensive techniques, such as projection pursuit.

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  • Reduction of the singularities of codimension one singular foliations in dimension three By Felipe Cano Contents 0. Introduction 1. Blowing-up singular foliations 1.1. Adapted singular foliations 1.2. Permissible centers 1.3. Vertical invariants 1.4. First properties of presimple singularities 2. Global strategy 2.1. Reduction to presimple singularities. Statement 2.2. Good points. Bad points. Equi-reduction 2.3. Finiteness of bad points 2.4. The influency locus 2.5. The local control theorem 2.6. Destroying cycles 2.7. Global criteria of blowing-up 3. Local control 3.1.

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  • At the global level, the relationship between population and environ- mental impact is not easy to test in a way that leads to reliable and non- spurious estimates. This is because of the lack of data on environmental degradation covering a sufficiently large number of countries over a suffi- ciently large period of time. It is for this reason that studies have tended to focus on CO2 emissions and energy use, for which cross-country and time- series data are available.

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  • Our goal is to develop automated methods for the segmentation of threedimensional biomedical images. Here, we describe the segmentation of confocal microscopy images of bee brains (20 individuals) by registration to one or several atlas images. Registration is performed by a highly parallel implementation of an entropy-based nonrigid registration algorithm using B-spline transformations. We present and evaluate different methods to solve the correspondence problem in atlas based registration.

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  • This paper is about a class of strange attractors that have the dual property of occurring naturally and being amenable to analysis. Roughly speaking, a rank one attractor is an attractor that has some instability in one direction and strong contraction in m−1 directions, m here being the dimension of the phase space. The results of this paper can be summarized as follows. Among all maps with rank one attractors, we identify, inductively, subsets Gn, n = 1, 2, 3, · · · ,

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  • This book is a collection ofwritings ofAntonio Cassese on international humani- tarian law, human rights law, and international criminal law. It aims to shed light on the intellectual approach to these branches of international law taken by one of the most original and creative lawyers of his generation.

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  • Note immediately one difference between linear equations and polynomial equations: theorems for linear equations don’t depend on which field k you are working over, 1 but those for polynomial equations depend on whether or not k is algebraically closed and (to a lesser extent) whether k has characteristic zero. Since I intend to emphasize the geometry in this course, we will work over algebraically closed fields for the major part of the course.

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  • One highly conspicuous crop of examples of mental phenomena related to the non-existent is of course yielded by our experience of works of art. It is therefore somewhat surprising that Meinong himself does not apply his theory of non-existent objects to the working out of a detailed theory of the ontology and psychology of aesthetic phenomena. This task was however carried out by one of his most prominent disciples, Stephan Witasek, in his masterly Grundzüge der allgemeinen A " sthetik of 1904.

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  • Andrew Sayer undertakes a fundamental critique of social science’s difficulties in acknowledging that people’s relation to the world is one of concern. As sentient beings, capable of flourishing and suffering, and particularly vulnerable to how others treat us, our view of the world is substantially evaluative.

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  • THE generator rumbled and roared, building up to its maximum speed. The whole laboratory quivered from its vibration. The dynamo hummed and whined and the night silence outside seemed to make the noises within more deafening. Tommy Reames ran his eyes again over the power-leads to the monstrous, misshapen coils. Professor Denham bent over one of them, straightened, and nodded. Tommy Reames nodded to Evelyn, and she threw the heavy multiple-pole switch. There was

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  • The experimental studies of aesthetic reactions to works of art that were carried out in the early part of this century were concerned with the identification of "types of apperception", or "apprehension", and one of the earliest of these typologies was formulated by Binet (1903) in his Experimental Study o/Intelligence. Bullogh's (1921) review of this research shows that some of Britain's leading psychologists were actively involved in experimental aesthetics, and...

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  • I have suggested that unconscious elements of experience can be brought to consciousness, and that they may be aesthetically relevant even while they remain unconscious. But there is also the matter of those aspects of experience that remain in the twilight of consciousness: one is vaguely aware of them, but they are not vividly present within one’s experience. This lack of vividness might be thought to disqualify the experience from having an aesthetic character.

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  • Many of the inorganic and aesthetic constituents evaluated in the Guidelines are known to be essential for life. Chromium, copper, fluoride, iodine, manganese, molybdenum, and selenium are essential elements in human nutrition; arsenic and nickel are considered by some researchers as essential elements. Of the aesthetic constituents, iron, chloride, calcium and magnesium (hardness), sodium and zinc are essential elements.

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  • The license fee itself is defended by many as a guarantee of autonomy and the means to provide a direct link between broadcasters and the public. As Papathanassopoulos (2007: 156) argues, in contrast to the license fee, “Direct public or government funding may, in one way or another, seriously affect public broadcasters’ independence, or in the best case, the public perception of their independence.

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