67,559 research outputs found

    Note on Kuo′s Problem

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    AbstractFor the eigenvalue problem of H. L. Kuo [J. Met.6 (1949), 105-122] governing the linear stability of a parallel zonal flow of an inviscid, incompressible fluid on a β-plane, it is shown that the wave velocity of neutral modes is bounded. Moreover, Pedlosky′s semicircle region for the range of the complex wave velocity of an arbitrary unstable mode is further reduced

    Letter from Carl Hayden to L. S. Williams

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    Letter from Carl Hayden to L. S. Williams about the potential to expand the park boundaries

    Mystery Author Stan Jones and Sepculative Fiction Authors Sterling Emmal and L. S. Goulet

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    Sterling Emmal is author of the sci-fi fantasy The Executioner of Rawule and L. S. Goulet is author of the fantasy book Sword of Dragonblood. Tundra Kill is Stan Jones' latest Nathan Active mystery. His other books include White Sky, Black Ice; Shaman Pass, Frozen Sun; Village of the Ghost Bears, and the nonfiction classic, The Spill: Personal Stories from the Exxon Valdez Disaster, coauthored with Sharon Bushell

    Letter from L. S. Williams to Carl Hayden

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    Letter from L. S. Williams to Carl Hayden suggesting a boundary amendment to the national park bill

    Letter from L. S. Williams to Carl Hayden

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    Letter from L. S. Williams to Carl Hayden about visiting Mr. Buggeln to discuss proposed park boundary changes

    Shell-model calculations and realistic effective interactions

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    A review is presented of the development and current status of nuclear shell-model calculations, in which the two-body effective interaction between valence nucleons is derived from the free nucleon-nucleon potential. The significant progress made in this field within the last decade is emphasized, in particular as regards the so-called Vlow-k approach to the renormalization of the bare nucleon-nucleon interaction. In the last part of the review, we first give a survey of realistic shell-model calculations from early to present days. Then, we report recent results for neutron-rich nuclei near doubly magic Sn-132, and for the whole even-mass N = 82 isotonic chain. These illustrate how shell-model effective interactions derived from modern nucleon-nucleon potentials are able to provide an accurate description of nuclear structure properties

    Letter from Carl Hayden to L. S. Williams

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    Letter from Carl Hayden to L. S. Williams informing the Saginaw and Manistee Lumber Company that a bill extending the timber cutting rights in the Canyon did not pass in Congress

    Telegram from L. S. Williams to Carl Hayden

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    Letter from L. S. Williams to Carl Hayden stating there should be no objection to Saginaw and Manistee Lumber Company having their timber contract extended as it is greatly favored
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