118,172 research outputs found

    Kormos, L

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    Square Dancing with the Stars to Enhance Dynamic Hirschman Linkages?

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    In this Presidential Address, the author takes the reader on a reconnaissance of his life and time as a regional scientist. He points out scenery he found scintillating along the way, hoping that some may pick up the banner and chew on a few of the ideas for a while. He suggests a revisit to Albert O. Hirschman’s notion of key sectors and more empirical analysis related to Marcus Berliant’s and Masahisa Fujita’s notion of knowledge creation and transfer.Presidential Address, San Antonio, Texas, March 29, 2014 (53rd Meetings of the Southern Regional Science Association

    Stationary entropies after a quench from excited states in the Ising chain

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    We consider the asymptotic state after a sudden quench of the magnetic field in the transverse field quantum Ising chain starting from excited states of the pre-quench Hamiltonian. We compute the thermodynamic entropies of the generalised Gibbs and the diagonal ensembles and we find that the generalised Gibbs entropy is always twice the diagonal one. We show that particular care should be taken in extracting the thermodynamic limit since different averages of equivalent microstates give different results for the entropies

    An exceptionally rich Soricidae (Mammalia) fauna from the upper Miocene localities of Polgárdi (Hungary)

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    More than 7000 shrew specimens were found in the Upper Miocene localities of Polgárdi, Hungary. The wel! preserved bones and teeth were deposited mainly by pit-fall accumulations. Crusafontina kormosi (BACHMAYER& WILSON), Amblycoptus oligodon KORMOS, Kordosia topali (JANossY), Blarinella dubia (BACHMAYER& WILSON),Asoriculus gibberodon (PETÉNYl), Zelceina soriculoides (SULIMSKl) and Paenelimnoecus repenningi (BACHMAYER& WILSON) were identified from the samples. on the basis of these occurrences, all sites belong to the Late Turolian MN 13 Zone, but locality 4 is somewhat older, and locality 2 is earlier than locality 5. The soricids suggest that Polgárdi 2 and 4 were wel! watered, forested areas in semiarid climate, while Polgárdi 5 might have been an open enviromnent in akarstic grassland area

    Letter from unknown writer to Jesse L. Boyce

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    Letter to Jesse L. Boyce from unknown author (possibly Jack) about the investigation into the powder magazine located in the Grand Canyon. Some personal news is included in the letter such as the writer's marriage to the daughter of C.A. Taylor, former Supervisor of Cochise County

    Letter from Carl Hayden to L. L. Ferrall, Postmaster at Grand Canyon

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    Letter from Carl Hayden to L. L. Ferrall on the favorable conditions for creating a national park and the prospect of the United States entering WW I

    Sarah L. Blum Author Visit - Warrior Nurse: PTSD and Healing

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    Hear Sarah L. Blum, author of Women Under Fire: Abuse in the Military, discuss her newest book, Warrior Nurse: PTSD and Healing followed by a Q&A and book signing. Sarah L. Blum is a decorated Vietnam veteran who served as an operating room nurse during the intense fighting of 1967. In recognition of her service, she was awarded the Army Commendation Medal. Sponsored by CWU Veterans Center and CWU Libraries.https://digitalcommons.cwu.edu/libraryevents/1252/thumbnail.jp

    Quantum quenches from excited states in the Ising chain

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    We consider the non-equilibrium dynamics after a sudden quench of the magnetic field in the transverse field Ising chain starting from excited states of the pre-quench Hamiltonian. We prove that stationary values of local correlation functions can be described by the generalized Gibbs ensemble. Then we study the full time evolution of the transverse magnetization by means of stationary phase methods. The equal-time two-point longitudinal correlation function is analytically derived for a particular class of excited states for quenches within the ferromagnetic phase, and studied numerically in general. The full time dependence of the entanglement entropy of a block of spins is also obtained analytically for the same class of states and for arbitrary quenches

    Introducing the Recent development in input-output analysis

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    This is a draft chapter. The final version is available in Recent Development in Input-Output Analysis, edited by Erik Dietzenbacher, Michael L. Lahr, and Manfred Lenzen, published in 2020, Edward Elgar Publishing Ltd. https://doi.org/10.4337/9781786430816. The material cannot be used for any other purpose without further permission of the publisher, and is for private use only
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