torsion curiosities and challenges about general relativity

... tangle 264 • Other defects in vacuum 264 • Torsion, curiosities and challenges about general relativity 265 • Predictions of the strand model about general relativity 268 Cosmology The finiteness ... Curiosities and fun challenges about strands 149 • Do strands unify? – The millennium list of open issues 150 • Are strands final? – On generalizations and modifications 152 • Why strands? – Simplicity ... 303 • Tetraquarks and exotic mesons 303 • Other tangles made of four or more strands 305 • Summary on tangles made of four or more strands 307 Fun challenges and curiosities about particle tangles...

Ngày tải lên: 17/02/2014, 01:20

... epidemics and occurs in two different forms: an R form, which looks rough under the microscope and is not infectious, and an S, or smooth, form, which is able to cause disease and death Both R and ... reputation in the field and his Nobel Prize, and I took an instant liking to him—he had clearly decided that he was going to make up his own mind about me and my science and not have his opinion ... that each of the new molecules contains one old and one new strand of DNA Then each of these strands can be used to create two new copies, and so on and so forth In the variant of this process known...

Ngày tải lên: 20/07/2014, 20:30

... with k vertices and by Kn,m a complete bipartite graph with parts of size n and m The notion of clique-width of a graph was introduced by Courcelle, Engelfriet and Rozenberg in [8] and is defined ... graph H on the same vertex set by connecting two vertices u ∈ Vi and v ∈ Vj if and only if uv ∈ E(H ′ ) and ij ∈ E(K) or uv ∈ E(H ′ ) and ij ∈ E(K) / The intent is that H contains infinitely many ... line, such that xy is an edge of G if and only if the intervals Ix and Iy intersect Golumbic and Rotics [12] showed that this class has unbounded clique-width (and Lozin [14] showed that it is an...

Ngày tải lên: 07/08/2014, 21:21

... assumptions must now be relaxed 26.1 The price level and aggregate demand  The CLASSICAL model of macroeconomics analyses the economy when wages and prices are fully flexible  The real money supply ... linking the aggregate demand for goods and the price level  The price level is the average price of all the goods produced in the economy 26.2 The macroeconomic demand schedule LM0 r Real money ... price at P0, LM is located at LM0, and given IS, real income is in equilibrium at Y0 At a lower price P1, LM is at LM1, and real income at Y1 The macroeconomic demand schedule (MDS) connects these...

Ngày tải lên: 03/02/2015, 15:21

... 1969; White, 1984; Barnes and Efstathiou, 1987; Heavens and Peacock, 1988; Steinmetz and Bartelmann, 1995; Eisenstein and Loeb, 1995a; Cole and Lacey, 1996; Catelan and Theuns, 1996) This distribution ... between the sources and the IGM density Valageas and Silk (1999) and Chiu and Ostriker (2000) calculated the clumping factor semi-analytically by averaging over the IGM on the one hand and virialized ... as b and dm are much smaller than unity), and thus can only describe the initial phase of the collapse As b and dm grow and become larger than unity, the density proÿles start to evolve and dark...

Ngày tải lên: 24/04/2014, 17:06

... size and color of their branches and sub-branches, and leaves, bark, flowers, fruit, etc., as well as in the light and shade of their different parts In short, the earth and man—the land, and ... moons, and comets revolve with ceaseless harmony, ever receiving from and giving to each other, and we find the same divine lessons taught Thus does every sun, and planet, and star, and leaf, and ... flower, and tree, and rainbow, and crystal, and all other unimpeded formations and growths of the whole universe, everlastingly proclaim these divine harmonies Shall man ever remain blind and deaf and...

Ngày tải lên: 04/06/2014, 12:35

... businesses succeed and thrive, and which ones ultimately decline and fail This is a natural and cyclical process When an inefficient business fails, its capital, resources and employees will ... Recession Offshoring and Factory Migration Reconsidering Conventional Views about the Future The China Fallacy The Future of Manufacturing India and Offshoring Economic and National Security ... Since I develop software and run a high tech business, I also spend a great deal of time thinking about computer technology, and so I began to focus on how economics and technology intertwine...

Ngày tải lên: 20/06/2014, 20:20

... significant differences and debate about issues relating to the differing economic systems of the North and the South The Northern economy was built on free labor and entrepreneurship and tended to spread ... bustling towns and cities to which they had become accustomed Instead, they travel a rough, deserted road with few homes, businesses or taverns Dilapidated shacks dot the landscape, and the land itself ... standard index cards You then wrote your program using pencil and paper, and took your blank cards to a card punch machine at the computing center You inserted a blank card in the machine and...

Ngày tải lên: 20/06/2014, 20:20

... preparation and serving workers, including fast food 2,461,890 1.9% Registered nurses 2,417,150 1.8% Laborers and freight, stock, and material movers, hand 2,372,130 1.8% Waiters and waitresses ... offer these workers? And what jobs would it prepare them for? And what is the impact of that potential unemployment on market demand for goods and services? Cashiers are generally not highly ... public health, and environmental regulations have allowed us to remain relatively free from disease and reach our full biological potential Investment in literacy and in primary and secondary...

Ngày tải lên: 20/06/2014, 20:20

... enzymes that digest our food—all of these and countless thousands of other structures and chemicals that comprise our bodies and make us function are proteins And they are all constructed through ... table shows another million retail salespersons and 2.3 million laborers and freight, stock and material movers, as well as 1.7 million stock clerks and order fillers What new jobs could we possibly ... technology and attempting to reverse-engineer it In time, they might begin to tinker with the spacecraft and make it operate in new and different ways Eventually, they would understand the technology...

Ngày tải lên: 20/06/2014, 20:20

... specific job types and technologies and shown howautomation is likely to have a much broader impact than many of us might imagine— and also how the jobs of many highly paid and highly eduever, ... demand for its exports in the United States and other developed nations As we have seen, as jobs are lost in the Western countries and fear of structural unemployment there grows, consumer demand ... an independent market These people are essentially standing on the shoulders of American and European consumers And as we have noted again and again in this book, those Western consumers all depend...

Ngày tải lên: 20/06/2014, 21:20

... workers and instead require investment in technology: in advanced machinery and equipment and in computerized systems High tech industries such as semiconductor manufacturing, biotechnology and Internetbased ... prices for goods and services In other words, it puts more money in consumers’ pockets These consumers then go out and buy all kinds of things, and so the result is increased demand for the products ... make production more efficient and that results in lower prices and, therefore, more money left in consumers’ pockets Consumers then go out and spend that extra money, and that creates jobs for more...

Ngày tải lên: 20/06/2014, 21:20

... progresses Energy, Land, Natural Resources and Environmental Impact Clearly, production is constrained by the availability of energy and of the raw materials, suitable land, water, and other resources ... oppose this idea and dismiss it as expensive and unworkable As I’ve pointed out however, businesses will ultimately have to choose between government intervention and taxation and the existence ... list nowlooks like this: Energy, Land, Natural Resources and Environmental Impact Technology Consumer Demand Next, let’s imagine that advanced nanotechnology and new clean energy technologies...

Ngày tải lên: 20/06/2014, 21:20

... entrepreneurs and business owners in the tunnel are responding to the rapidly increasing demand As the number of lights continues to increase, the speed with which panels are updated and the number ... discussed at some length in Chapters and (see pages 95 and 131) At present, I suspect that most economists would probably be likely to agree with this statement and, therefore, disagree with what ... serious unemployment problem: As technology advances and industries automate, this improves the efficiency of production and tends to make the products and services produced by those industries more...

Ngày tải lên: 20/06/2014, 21:20

... individual human beings.* Ugly and irrational political battles If trends similar to the ones I’ve listed above develop, and if there is no coherent understanding and reasonable consensus regarding ... and may well exceed the capability of a human worker Narrow AI applications are already in widespread use; expert systems such as the software that can autonomously pilot and land airliners and ... applications that exhibit general reasoning A second approach begins by attempting to understand and then simulate the human brain The Blue Brain Project,57 a collaboration between Switzerland’s EPFL (one...

Ngày tải lên: 20/06/2014, 21:20

... Standard and Modified Photopic Observers and the CIE Standard Scotopic Observer are shown in Figure 1.2, the Standard and Modified Photopic Observers having maximum sensitivities at 555 nm and ... factor Illuminance lux metre candle phot footcandle lumen/m2 lumen/m2 lumen/cm2 lumen/ft2 1.00 1.00 10,000 10.76 Luminance nit stilb candela/m2 candela/cm2 candela/in2 candela/ft2 1.00 10,000 1,550 ... up-to-date and easily understandable The contents summarise the fundamentals of light and vision, the technology of lighting and guidance on a wide range of applications, both interior and exterior...

Ngày tải lên: 28/06/2014, 22:20

... (Schleswig-Holstein, 54° 06'N and 10° 15'E, 29 m NN [26]) The alder forest is about 18 m high and 601 ALMIS: Tree growth model of light acclimation Table I Empirical basis for the elementary units and the functions ... Photosynthesis and light interception in the black alder stand are quantitatively well-known and well represented in the model, but the parameterization of other processes, such as carbon allocation and ... sensitively to irradiance Black alder grows up to a height of about 20–30 m and reaches an age of 100–120 years The species is widespread in Europe and adjacent regions However, within this large range...

Ngày tải lên: 08/08/2014, 14:22

... SYSTEM IN PRIMATE AND HUMAN BRAIN Understanding the visual system‘s structure and function is vital to understanding how, when and where in the brain objects are processed and recognised Anatomical ... outline its pros and cons, and discuss areas of concern and point out potential improvements in collecting and analysing EEG data Subsequently, I will present the theoretical and empirical developments ... In general though, data filtering should be kept to a minimum whenever possible and filter types and cut-offs should be carefully considered, taking into consideration the quality of the data and...

Ngày tải lên: 22/12/2014, 20:09

... support and assistance Mr Chua Beng Wah, Miss Sharon Nai and Mr Syed Fida Hassan for their friendship, encouragement and valuable discussions All other research scholars for their advice and help ... high modulus and strength, high wear resistance, are more viable for commercial use The lower fabrication costs come about due to the low cost and easy availability of reinforcement, and the ability ... materials For Phases I and II, aluminium was deposited, followed by extrusion at different temperatures and extrusion ratios respectively For Phases III and IV, Al-Mg/Al2O3 composites and monolithic...

Ngày tải lên: 05/10/2015, 19:04

... Night and the following day, they were ‘‘everyone’’ and ‘‘London’’ and even ‘‘England.’’ They were created as a group by the newspapers, and this chapter examines the mechanism of their creation and ... situations and the assumptions being made about those publics, we arrive at a clearer understanding of imperial ideology’s dependence on hierarchies of race, sex, and class and of the ways in which, hand ... diverse as beliefs about the social position of women, about race, and about class as well as economic, military, and political factors The role of newspapers in the creation and questioning of...

Ngày tải lên: 21/09/2012, 10:54