10,130 research outputs found

    Online Casino Advertising: Testing the Limits of Commercial Speech

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    <span style="font-family: TimesNewRoman;"><font face="TimesNewRoman"><p align="left">The advent of the Internet has revolutionized the daily lives of everyone by giving increased access to information and consumer transactions, while also adding change and further complexity to the law. Gambling has adapted to the arrival of the Internet with online sports books</p></font></span><p align="left"><span style="font-family: TimesNewRoman; font-size: xx-small;"><span style="font-family: TimesNewRoman; font-size: xx-small;">2 </span></span><span style="font-family: TimesNewRoman;">and online casino gambling,</span><span style="font-family: TimesNewRoman; font-size: xx-small;"><span style="font-family: TimesNewRoman; font-size: xx-small;">3 </span></span><span style="font-family: TimesNewRoman;">both developing a presence on the Internet. These new online casinos have begun to advertise both on the Internet and through more traditional broadcasting, like radio and television.</span><span style="font-family: TimesNewRoman; font-size: xx-small;"><span style="font-family: TimesNewRoman; font-size: xx-small;">4 </span></span><span style="font-family: TimesNewRoman;">As a result, the Department of Justice has begun to crack down on online casino advertisers, primarily by threatening prosecution against advertisers through the Wire Act (18 U.S.C. &sect; 1084).</span></p

    Higher Order BLG Supersymmetry Transformations from 10-Dimensional Super Yang Mills

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    We study a Simple Route for constructing the higher order Bagger-Lambert-Gustavsson theory - both supersymmetry transformations and Lagrangian - starting from knowledge of only the 1010-dimensional Super Yang Mills Fermion Supersymmetry transformation. We are able to uniquely determine the four-derivative order corrected supersymmetry transformations, to lowest non-trivial order in Fermions, for the most general three-algebra theory. For the special case of Euclidean three-algbera, we reproduce the result presented in arXiv:1207.12081207.1208, with significantly less labour. In addition, we apply our method to calculate the quadratic fermion terms in the higher order BLG fermion supersymmetry transformation.Comment: 15 page

    GPU-based Image Analysis on Mobile Devices

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    With the rapid advances in mobile technology many mobile devices are capable of capturing high quality images and video with their embedded camera. This paper investigates techniques for real-time processing of the resulting images, particularly on-device utilizing a graphical processing unit. Issues and limitations of image processing on mobile devices are discussed, and the performance of graphical processing units on a range of devices measured through a programmable shader implementation of Canny edge detection.Comment: Proceedings of Image and Vision Computing New Zealand 201

    Aluminum-fueled rockets for the space transportation system

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    Aluminum-fueled engines, used to propel orbital transfer vehicles (OTV's), offer benefits to the Space Transportation System (STS) if scrap aluminum can be scavenged at a reasonable cost. Aluminum scavenged from Space Shuttle external tanks could replace propellants hauled from Earth, thus allowing more payloads to be sent to their final destinations at the same Shuttle launch rate. To allow OTV use of aluminum fuel, two new items would be required: a facility to reprocess aluminum from external tanks and an engine for the OTV which could burn aluminum. Design of the orbital transfer vehicle would have to differ substantially from current concepts for it to carry and use the aluminum fuel. The aluminum reprocessing facility would probably have a mass of under 15 metric tons and would probably cost less that 200,000,000.Developmentofanaluminum−burningenginewouldnodoubtbeextremelyexpensive(1to2billiondollars),butthisamountwouldbeadequatelyrepaidbyincreasedSTSthroughput.Engineproductioncostisdifficulttoestimate,butevenanextremelyhighcost(e.g.,200,000,000. Development of an aluminum-burning engine would no doubt be extremely expensive (1 to 2 billion dollars), but this amount would be adequately repaid by increased STS throughput. Engine production cost is difficult to estimate, but even an extremely high cost (e.g., 250,000,000 per engine) would not significantly increase orbit-raising expenses

    Demography and Growth

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    Substantial demographic shifts are under way in many countries which could have a sizeable impact on trend growth rates over coming decades. This article explores some of these demographic developments, particularly in relation to population growth and age structure, for a range of economies. It also examines some of the direct effects that these changes could have on average growth over the next 10 years.demography; trend growth; dependency ratios; ageing

    Vortex instabilities in 3D boundary layers: The relationship between Goertler and crossflow vortices

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    The inviscid and viscous stability problems are addressed for a boundary layer which can support both Goertler and crossflow vortices. The change in structure of Goertler vortices is found when the parameter representing the degree of three-dimensionality of the basic boundary layer flow under consideration is increased. It is shown that crossflow vortices emerge naturally as this parameter is increased and ultimately become the only possible vortex instability of the flow. It is shown conclusively that at sufficiently large values of the crossflow there are no unstable Goertler vortices present in a boundary layer which, in the zero crossflow case, is centrifugally unstable. The results suggest that in many practical applications Goertler vortices cannot be a cause of transition because they are destroyed by the 3-D nature of the basic state. In swept wing flows the Goertler mechanism is probably not present for typical angles of sweep of about 20 degrees. Some discussion of the receptivity problem for vortex instabilities in weakly 3-D boundary layers is given; it is shown that inviscid modes have a coupling coefficient marginally smaller than those of the fastest growing viscous modes discussed recently by Denier, Hall, and Seddougui (1990). However the fact that the growth rates of the inviscid modes are the largest in most situations means that they are probably the most likely source of transition

    How legislators respond to localized economic shocks: evidence from Chinese import competition

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    We explore the effects of localized economic shocks from trade on roll-call behavior and electoral outcomes in the US House, 1990–2010. We demonstrate that economic shocks from Chinese import competition—first studied by Autor, Dorn, and Hanson—cause legislators to vote in a more protectionist direction on trade bills but cause no change in their voting on all other bills. At the same time, these shocks have no effect on the reelection rates of incumbents, the probability an incumbent faces a primary challenge, or the partisan control of the district. Though changes in economic conditions are likely to cause electoral turnover in many cases, incumbents exposed to negative economic shocks from trade appear able to fend off these effects in equilibrium by taking strategic positions on foreign-trade bills. In line with this view, we find that the effect on roll-call voting is strongest in districts where incumbents are most threatened electorally. Taken together, these results paint a picture of responsive incumbents who tailor their roll-call positions on trade bills to the economic conditions in their districts

    Urban fiscal austerity, infrastructure provision and the struggle for regional transit in 'Motor City'

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    Studies suggest that urban fiscal crises trigger the institutional separation of strategic services from general purpose municipal functions. Traditional reformists have highlighted the economic benefits of regional approaches. Global austerity has created fiscal problems for central cities and suburbs alike, transforming the motives for regional solutions. This paper examines how the City of Detroit engineered a new regional arrangement with the surrounding suburbs to raise debt for the delivery of mass transit infrastructure. It represents a dual 'spatial fix' in the form of (i) a 'state territorial fix' providing fiscally stressed municipalities access to municipal bond markets and (ii) a 'speculative spatial fix' that benefits the Detroit growth coalition by linking regional mass transit to the prospect of land-use intensification. © The Author 2014

    Concerning the interaction of non-stationary cross-flow vortices in a three-dimensional boundary layer

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    Recently there has been much work devoted to considering some of the many and varied interaction mechanisms which may be operative in three-dimensional boundary layer flows. This paper is concerned with resonant triads of crossflow vortices. The effects of interactions upon resonant triads is examined where each member of the triad has the property of being linearly neutrally stable so that the importance of the interplay between modes can be relatively easily assessed. Modes within the boundary layer flow above a rotating disc are investigated because of the similarity between this disc flow and many important practical flows and, secondly, because the selected flow is an exact solution of the Navier-Stokes equations which makes its theoretical analysis especially attractive. It is demonstrated that the desired triads of linearly neutrally stable modes can exist within the chosen boundary layer flow. Evolution equations are obtained to describe the development of the amplitudes of these modes once the interaction mechanism is accounted for. It is found that the coefficients of the interaction terms within the evolution equations are, in general, given by quite intricate expressions although some elementary numerical work shows that the evaluation of these coefficients is practicable. The basis of the work lends itself to generalization to more complicated boundary layers, and effects of detuning or non-parallelism could be provided for within the asymptotic framework
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