Results 91 to 100 of about 30,743 (170)

Estimating the value of containment strategies in delaying the arrival time of an influenza pandemic: A case study of travel restriction and patient isolation

, 2012
With a simple phenomenological metapopulation model, which characterizes the invasion process of an influenza pandemic from a source to a subpopulation at risk, we compare the efficiency of inter- and intra-population interventions in delaying the ...
Huang, Tianyi, Li, Xiang, Wang, Lin, Zhang, Yan   +3 more
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Generalized Casimir forces in non-equilibrium systems [PDF]

, 2006
In the present work we propose a method to determine fluctuation induced forces in non equilibrium systems. These forces are the analogue of the well known Casimir forces, which were originally introduced in Quantum Field theory and later extended to the
C. W. Gardiner, D. Forster, H. B. G. Casimir, H. G. Stanley, I. Brankov, I. S. Gradshteyn, J. García-Ojalvo, J. L. Cardy, J. M. Ortiz de Zárate, M. Fisher, M. Krech, P. G. de Gennes, R. Brito, R. Soto, U. Marini Bettolo Marconi   +14 more
core   +3 more sources

Preface

Documenta Praehistorica, 2001
The overtures to this Neolithic Studies anthology, were the seventh and eighth Neolithic Seminars held at the Department of Archaeology, University of Ljubljana in May 2000 and November 2001.
Mihael Budja
doaj   +1 more source

The genetic legacy of the expansion of Turkic-speaking nomads across Eurasia. [PDF]

PLoS Genetics, 2015
The Turkic peoples represent a diverse collection of ethnic groups defined by the Turkic languages. These groups have dispersed across a vast area, including Siberia, Northwest China, Central Asia, East Europe, the Caucasus, Anatolia, the Middle East ...
Bayazit Yunusbayev, Mait Metspalu, Ene Metspalu, Albert Valeev, Sergei Litvinov, Ruslan Valiev, Vita Akhmetova, Elena Balanovska, Oleg Balanovsky, Shahlo Turdikulova, Dilbar Dalimova, Pagbajabyn Nymadawa, Ardeshir Bahmanimehr, Hovhannes Sahakyan, Kristiina Tambets, Sardana Fedorova, Nikolay Barashkov, Irina Khidiyatova, Evelin Mihailov, Rita Khusainova, Larisa Damba, Miroslava Derenko, Boris Malyarchuk, Ludmila Osipova, Mikhail Voevoda, Levon Yepiskoposyan, Toomas Kivisild, Elza Khusnutdinova, Richard Villems   +28 more
doaj   +1 more source

Farmers’ spatial behaviour, demographic density dependence and the spread of Neolithic agriculture in Central Europe

Documenta Praehistorica, 2015
Since the early 1970s, the demic diffusion model is the cornerstone of the migrationist approach of the European neolithization. It considers the latter as a slow, gradual and unintentionally process.
Serge Svizzero
doaj   +1 more source

Out of Africa by spontaneous migration waves.

PLoS ONE, 2019
Hominin evolution is characterized by progressive regional differentiation, as well as migration waves, leading to anatomically modern humans that are assumed to have emerged in Africa and spread over the whole world. Why or whether Africa was the source
Paul D Bons, Catherine C Bauer, Hervé Bocherens, Tamara de Riese, Dorothée G Drucker, Michael Francken, Lumila Menéndez, Alexandra Uhl, Boudewijn P van Milligen, Christoph Wißing   +9 more
doaj   +1 more source

L’océan : soupe nourricière ou autoroute de l’information ?

Les Nouvelles de l’Archéologie, 2019
The archaeology of coastal societies raises fundamental research issues to unlock some of the questions posed to prehistoric and protohistoric archaeology.
Gregor Marchand
doaj   +1 more source

New radiocarbon dates from the Bapot-1 site in Saipan and Neolithic dispersal by stratified diffusion [PDF]

, 2010
The colonisation of the Mariana Islands in Western Micronesia is likely to represent an early ocean dispersal of more than 2000 km. Establishing the date of human arrival in the archipelago is important for modelling Neolithic expansion in Island ...
Carson, Mike, Clark, Geoffrey, O’Day, Patrick, Petchey, Fiona, Winter, Olaf   +4 more
core   +1 more source

Invited review: Epidemics on social networks [PDF]

, 2013
Since its first formulations almost a century ago, mathematical models for disease spreading contributed to understand, evaluate and control the epidemic processes.They promoted a dramatic change in how epidemiologists thought of the propagation of ...
Kuperman, Marcelo N.
core   +4 more sources

Organic cathode for a secondary battery [PDF]

, 1989
A liquid catholyte for a battery based on liquid metal such as sodium anode and a solid, ceramic separator such as beta alumina (BASE) comprises a mixture of a Group I-III metal salt such as sodium tetrachloroaluminate and a minor amount of an organic ...
Bankston, Clyde P., Bugga, Ratnakumar V., Distefano, Salvador, Williams, Roger M.   +3 more
core   +1 more source