29,148 research outputs found

    Allison Singley, Director of Parent Relations

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    In our new Next Page column, Allison Singley, Director of Parent Relations, shares with us the three books she is currently reading and why it might take her a while to finish them, her two desert island books (one of which inspired her doctoral dissertation), how she maintains a habit of reading poetry daily, and why she doesn’t write in books anymore — or feel the need to finish one

    Association Health Plans: The New ERISA Rules and What They Mean For New Hampshire – Brief Q&A

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    Spatial curvature endgame: Reaching the limit of curvature determination

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    Current constraints on spatial curvature show that it is dynamically negligible: ∣ΩK∣â‰Č5×10−3|\Omega_{\rm K}| \lesssim 5 \times 10^{-3} (95% CL). Neglecting it as a cosmological parameter would be premature however, as more stringent constraints on ΩK\Omega_{\rm K} at around the 10−410^{-4} level would offer valuable tests of eternal inflation models and probe novel large-scale structure phenomena. This precision also represents the "curvature floor", beyond which constraints cannot be meaningfully improved due to the cosmic variance of horizon-scale perturbations. In this paper, we discuss what future experiments will need to do in order to measure spatial curvature to this maximum accuracy. Our conservative forecasts show that the curvature floor is unreachable - by an order of magnitude - even with Stage IV experiments, unless strong assumptions are made about dark energy evolution and the Λ\LambdaCDM parameter values. We also discuss some of the novel problems that arise when attempting to constrain a global cosmological parameter like ΩK\Omega_{\rm K} with such high precision. Measuring curvature down to this level would be an important validation of systematics characterisation in high-precision cosmological analyses.Comment: 9 pages, 1 figure. Updated to match version published in Phys. Rev.

    High-Speed Rail Projects in the United States: Identifying the Elements of Success-Part 2, MTI 06-03

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    In August 2005, the Mineta Transportation Institute issued the report, High-Speed Rail Projects in the United States: Identifying the Elements for Success. The report noted that since the 1960s, highspeed ground transportation (HSGT) has “held the promise of fast, convenient, and environmentally sound travel for distances between 40 and 600 miles.” After briefly discussing the different experiences with HSGT between the United States and its Asian and European counterparts, the report proceeded to review three U.S. cases—Florida, California, and the Pacific Northwest—as a means for identifying lessons learned for successfully implementing high-speed rail (HSR) in the United States. This report is, in essence, volume 2 of the previous study. Also using a comparative case study approach, this effort adds to the earlier work with three additional cases—the Chicago Hub, the Keystone Corridor, and the Northeast Corridor (NEC). As with the earlier report, the goal of this study is to identify lessons learned for successfully implementing HSR in the United States. Given the early stages of most of these projects, “success” is defined by whether a given HSR project is still actively pursuing development or funding. However, in the case of the Northeast Corridor, a fuller discussion of success is provided since HSR has been implemented on that corridor for some time now

    New Hampshire Medicaid Long Term Care Quick Facts: June 21, 2018

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