Digital Commons Network^™

Long-Term Evolution Of Massive Black Hole Binaries. Ii. Binary Evolution In Low-Density Galaxies, Peter Berczik, David Merritt, Rainer Spurzem

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We use direct-summation N-body integrations to follow the evolution of binary black holes at the centers of galaxy models with large, constant-density cores. Particle numbers as large as 0.4 × 106 are considered. The results are compared with the predictions of loss-cone theory, under the assumption that the supply of stars to the binary is limited by the rate at which they can be scattered into the binary’s influence sphere by gravitational encounters. The agreement between theory and simulation is quite good; in particular, we are able to quantitatively explain the observed dependence of binary hardening rate on N. We …

Hubble Space Telescope Near-Infrared Snapshot Survey Of 3cr Radio Source Counterparts At Low Redshift, Juan Madrid, Marco Chiaberge, David Floyd, David Axon, Christopher P. O'Dea, Stefi A. Baum, Et Al.

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We present newly acquired images of the near-infrared counterpart of 3CR radio sources. All the sources were selected to have a redshift of less than 0.3 to allow us to obtain the highest spatial resolution. The observations were carried out as a snapshot program using the Near-Infrared Camera and Multiobject Spectrograph (NICMOS) on-board the Hubble Space Telescope (HST). In this paper we describe 69 radio galaxies observed for the first time with NICMOS during HST cycle 13. All the objects presented here are elliptical galaxies. However, each of them has unique characteristics such as close companions, dust lanes, unresolved nuclei, …

Size Matters (Or Should) In Copyright Law, Justin Hughes

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American copyright law has a widely recognized prohibition against the copyrighting of titles, short phrases, and single words. Despite this bar, effective advocacy has often pushed courts into recognizing independent copyright protection for smaller and smaller pieces of expression, particularly in recent cases involving valuation and taxonomy systems. Copyright case law is rife with dicta suggesting protection of short phrases and single words.

This instability in copyright law is rooted in the fiction that we deny copyright protection to short phrases and single words because they lack originality. In fact, there are many short phrases that cross copyright's low threshold …

In Defense Of The No Further Inquiry Rule: A Response To Professor John Langbein, Melanie B. Leslie

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No abstract provided.

Trusting Trustees: Fiduciary Duties And The Limits Of Default Rules, Melanie B. Leslie

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No abstract provided.

Hubble Space Telescope Stis Spectroscopy Of The Lyα Emission Line In The Central Dominant Galaxies In A426, A1795, And A2597: Constraints On Clouds In The Intracluster Medium, Stefi A. Baum, Ari Laor, Christopher P. O'Dea, Jennifer Mack, Anton M. Koekemoer

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We report on HST/STIS spectra of the Ly-Alpha emission in the central dominant galaxies in three rich clusters of galaxies. We find evidence for a population of clouds in the intracluster medium. We detect 10 Ly-Alpha absorption systems towards the nucleus of NGC1275 with columns of N(HI) ~10^12 to 10^14 cm^−2. These columns would not have been detected in the 21 cm line, but are easily detected in the Ly-Alpha line. Most of the absorption features are located in the broad wings of the emission line. The detected absorption features are most consistent with associated nuclear absorption systems. There is …

Come Le Piccole Imprese Llogistiche Italiane Utilizzano I'Ict, Pietro Evangelista, Renzo Provedel, Edward Sweeney

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No abstract provided.

Correspondence: Testing Minimalism: A Reply, Cass R. Sunstein

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No abstract provided.

A Quantitative Assessment Of The Benefit Of A Learning Community Environment, Mario H. Castro-Cedeno

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An introductory course in manufacturing processes was taught to a cohort of engineering technology students participating in a learning community (LC) experiment and to a group of non-participating students. The LC students were all freshmen and took all the courses as a group. They were encouraged to work in teams. Non-LC students were also encouraged to work in teams but their class schedules were not coordinated. Data were collected on test scores, homework scores, and homework completion rates. The data show that the standard deviation of the grades distribution is significantly smaller for the LC group and that outliers with …

Xbrl Usage: A Socio-Economic Perspective, Robert E. Pinsker, Stephen C. Gara, Khondkar Karim

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eXtensible Business Reporting Language (XBRL) represents a standard format for exchanging business information which is capable of narrowing the reporting gap between public companies, regulators, and interested members of society (i.e., banks, investors, etc.). Through the use of tags, XBRL provides a standard language for reporting both financial and nonfinancial information not previously seen in the reporting environment, across different software applications. As a result, interested stakeholders can gain access to public information much more quickly and transparently than ever before. The current paper reports the corporate and regulatory usage of XBRL, as well as its potential impacts on various …

The Human Eye Position Control System In A Rehabilitation Setting, Yvonne Nolan, Ted Burke, C. Boylan, Annraoi De Paor

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Our work at Ireland’s National Rehabilitation Hospital involves designing communication systems for people suffering from profound physical disabilities. One such system uses the electro-oculogram, which is an (x,y) system of voltages picked up by pairs of electrodes placed, respectively, above and below and on either side of the eyes. The eyeball has a dc polarisation between cornea and back, arising from the photoreceptor rods and cones in the retina. As the eye rotates, the varying voltages projected onto the electrodes drive a cursor over a mimic keyboard on a computer screen. Symbols are selected with a switching action derived, for …

Perceived Health Benefit And Soy Consumption Behavior: Two Stage Decision Model Approach, Wanki Moon, Siva K. Balasubramanian, Arbindra Rimal

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A two-stage decision model is developed to assess the effect of perceived soy health benefits on consumers' decisions with respect to soy food. The first stage captures whether or not to consume soy food, while the second stage reflects how often to consume. A conceptual/analytical framework is also employed, combining Lancaster's characteristics model and Fishbein's multi-attribute model. Results show that perceived soy health benefits significantly influence both decision stages. Further, consumers' negative perceptions regarding soy (unappetizing taste and inconvenience) have a substantially greater impact on soy consumption behavior than their perceptions about soy health benefits. This finding carries significant implications …

Overenforcement, Richard A. Bierschbach, Alex Stein

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Overenforcement of the law is widespread but underinvestigated. Overenforcement occurs when the total sanction, both legal and extralegal, suffered by the violator of a legal rule exceeds the amount optimal for deterrence. Overenforcement sometimes generates overdeterrence that cannot be remedied through the adjustment of substantive liability standards or penalties in light of operational and expressive constraints. When that happens, the legal system can counteract the effects of overenforcement by adjusting evidentiary or procedural rules to make liability less likely. This framework, which we call the overenforcement paradigm, illuminates previously unnoticed features of various evidentiary and procedural arrangements. It also provides …

The Acs Virgo Cluster Survey. Vii. Resolving The Connection Between Globular Clusters And Ultracompact Dwarf Galaxies, Monica Haşegan, Andrés Jordán, Patrick Côté, David Merritt, Et Al.

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We investigate the connection between globular clusters and ultracompact dwarf galaxies (UCDs) by examining the properties of 10 compact, high-luminosity (-11.8 MV -10.8) objects associated with M87 (NGC 4486, VCC 1316), the cD galaxy in the Virgo Cluster. These objects, most of which were previously classified as M87 globular clusters, were selected from a combination of ground- and space-based imaging surveys. Our observational database for these objects—which we term DGTOs, or "dwarf-globular transition objects"—includes Advanced Camera for Surveys (ACS) F475W and F850LP imaging from the ACS Virgo Cluster Survey, integrated-light spectroscopy from Keck/ESI, and archival F606W WFPC2 imaging. We …

Municipal Wireless: A Primer For Public Discussion, David M. Shein

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Though there is great diversity and continuing innovation in municipal networks, a number of distinct technological and economic approaches have emerged that are common to virtually all municipal and community deployments. This paper considers each major aspect of municipal wireless deployment in terms of how communities make decisions about each of these elements. We look first at some of the critical terms and technologies involved in this discussion, as well as the various concrete applications and benefits that wireless networks have to offer. We then consider the various organizational and managerial approaches that have been implemented. Finally we talk about …

Gas Plume Species Identification In Airborne Lwir Imagery Using Constrained Stepwise Regression Analyses, David Pogorzala, David W. Messinger, Carl Salvaggio, John Schott

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Identification of constituent gases in effluent plumes is performed using linear least-squares regression techniques. Airborne thermal hyperspectral imagery is used for this study. Synthetic imagery is employed as the test-case for algorithm development. Synthetic images are generated by the Digital Imaging and Remote Sensing Image Generation (DIRSIG) Model. The use of synthetic data provides a direct measure of the success of the algorithm through the comparison with truth map outputs. In image test-cases, plumes emanating from factory stacks will have been identified using a separate detection algorithm. The gas identification algorithm being developed in this work is performed only on …

Hst [Hubble Space Telescope]/Stis [Space Telescope Imaging Spectrograph] Low Dispersion Spectroscopy Of Three Compact Steep Spectrum Sources: Evidence For Jet-Cloud Interaction, Alvaro Labiano, Christopher P. O'Dea, Richard Gelderman, David J. Axon, Stefi A. Baum, Et Al.

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We present Hubble Space Telescope Imaging Spectrograph long-slit spectroscopy of the emission line nebulae in the compact steep spectrum radio sources 3C 67, 3C 277.1, and 3C 303.1. We derive BPT (Baldwin- Philips-Terlevich; Baldwin et al. 1981) diagnostic emission line ratios for the nebulae which are consistent with a mix of shock excitation and photoionization in the extended gas. In addition, line ratios indicative of lower ionization gas are found to be associated with higher gas velocities. The results are consistent with a picture in which these galaxy scale radio sources interact with dense clouds in the interstellar medium of …

Time-Gated Topographic Lidar Scene Simulation, Scott D. Brown, Daniel Blevins, John R. Schott

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The Digital Imaging and Remote Sensing Image Generation (DIRSIG) model has been developed at the RochesterInstitute of Technology (RIT) for over a decade. The model is an established, first-principles based scene simulationtool that has been focused on passive multi- and hyper-spectral sensing from the visible to long wave infrared (0.4 to 14 µm). Leveraging photon mapping techniques utilized by the computer graphics community, a first-principles based elastic Light Detection and Ranging (LIDAR) model was incorporated into the passive radiometry framework so that the model calculates arbitrary, time-gated radiances reaching the sensor for both the atmospheric and topographicreturns. The active LIDAR …

Developing A Participatory Consultation Process For Quality Reviews:The Initial Stage Of The European University Associations Quality Review Of The Technological University Dubin, Aidan Kenny

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This paper describes the evolution of a consultation process utilized by the Technological University Dubin (DIT) as part of a quality review process. An emphasis is placed on outlining: the collaborative nature of the enquiry; the guidelines and code of ethics adopted; the social research methodology utilized both quantitative (online surveys, staff n=1831, student’s n=21094) and qualitative (6 staff focus groups n=45 and 4 stakeholder focus groups n=24 and faculty board submissions 6). Instrument construction, theme sheet design and sampling procedures and response rate are detailed. The author, as consultation facilitator, provides an narrative of events and applies theory to …

Arts Festivals And The City, Bernadette Quinn

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There has been a remarkable rise in the number of urban arts festivals in recent decades. The outcomes of cities' engagement with arts festivals, however, remain little understood, particularly in social and cultural terms. This article reviews existing literature on urban festivals and argues that city authorities tend to disregard the social value of festivals and to construe them simply as vehicles of economic generation or as 'quick fix' solutions to city image problems. While such an approach renders certain benefits, it is ultimately quite limiting. If arts festivals are to achieve their undoubted potential in animating communities, celebrating diversity …

Performance Analysis Of Optimum Receivers For Differentially Encoded M-Psk In Low Snr, Venkateshwara R. Kanchumarthy, Tina Choudhari, R. Viswanathan

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A recent paper has proved that the classical receiver for coherent detection of differentially encoded M-PSK in AWGN is optimum for the MAP sequence detection criterion. In this letter, we show that asymptotically, as SNR tends to zero, the MAP symbol detection criterion receiver is equivalent to the classical differentially coherent receiver, for M greater than two. An asymptotic relative efficiency figure of merit is defined in order to compare the performances of the classical coherent receiver and the classical differentially coherent receiver.

Academic And Practitioner Interests Regarding Emerging Technologies In Accounting, Thomas J. Tribunella, M. Pamela Neely, Heidi Tribunella

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In this paper we investigate the differences between practitioner and academic interests in emerging technologies. We compare and contrast the results of an accounting faculty survey to the AICPA's (American Institute of Certified Public Accountants) Top Technology list. It appears that academics and practitioners have significantly different interests concerning emerging technologies. Furthermore, technology interests for both groups change over time. We then discuss the problems that arise from the differing points of view and suggest some possible solutions.

Is There A Need To Debate The Role Of Higher Education And The Public Good?, Sandra Fisher

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Calls for sustaining and increasing investment in higher education are often made on the basis that higher education is a `public good'. The idea of higher education as a public good is frequently conceptualized in terms of its contribution to economic development. If more people participate in higher education then society as a whole will benefit. Outside of the economic benefits of higher education there is less debate as to what is meant by `public good' in the context of higher education. This paper explores higher education as a public good and its role in realizing the public good (Jonathan …

Contradictions In Irish Academic Research, Stephen Jerrams, John Donovan

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The conditions that govern academic research vary greatly from country to country and research in the Republic of Ireland was and remains markedly different from that of its larger European neighbours and the United States. Despite the quality of its education system and the excellent reputation of its universities, until recently Ireland had relatively low levels of academic research. Pinnacles of excellence could be found in certain disciplines, but state funding was low and issues relating to industrial collaborations, international partnerships, commercialisation and the exploitation of Intellectual Property (IP) rarely arose. Even today the Irish Government’s spending on academic research, …

What Does "Religion" Mean In The Public Square?, Marci A. Hamilton

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No abstract provided.

Ethical Issues In Asbestos Litigation, Lester Brickman

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Asbestos litigation has given rise to over 50,000,000 claims against 8400 former producers, distributors, installers and sellers of asbestos-containing products. To date, 850,000 claimants have sought compensation, costing businesses and insurance companies over $70 billion and resulting in more than 70 bankruptcies. Over 100,000 deaths are attributable to asbestos exposure with an additional 40,000 deaths anticipated over the next 30 years. Despite the significance of the ethical issues generated by the processes of acquiring, pressing and settling the most massive litigation in history, the legal literature is substantially devoid of any such discussion. One possible reason for this paucity of …

Macromedia Director Audio Project Research - Written Report, Peter Dee

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A written report about the Director Audio Project: Underground Sound to include the four headings of control of audio, thematic coherence, management of assets and originality of approach / design rationale. The Underground Sound Director Audio Project is about contemporary black music in an urban setting. Images of old and young captured in the environment in which they live.

Revealing Options, Lee Anne Fennell

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Legal scholars are beginning to explore how the options template, borrowed from finance, can be applied to legal problems outside the realm of finance. This Article uses the options framework to add a new, intermediate entitlement form to the property rule/liability rule schema pioneered by Guido Calabresi and Douglas Melamed. Building on a fascinating but underused literature on self-assessed valuation mechanisms, I propose an entitlement form that would require entitlement holders to create options for others (or for their future selves). These "entitlements subject to self-made options," or "ESSMOs," are capable of powerfully and elegantly addressing one of the most …

Design Principles: Continue With Critiquing: Written Report, Peter Dee

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A written report about an object which is considered to be an example of good design focusing on two principles of design; aesthetic usability effect and affordance.

Stand By Your First Amendment Values - Not Your Ad, Nicholas Stephanopoulos

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No abstract provided.