منابع مشابه
Tortoise and the Hare Robot
We investigated the effects of changing the teleoperation feel of operating a robot by modifying its speed and acceleration profiles, and found that reducing a robot’s maximum speed by half can reduce collisions by 32%, while only increasing navigation task time by 10%. Teleoperated robots are increasingly popular for enabling people to remotely attend meetings, explore dangerous areas, or view...
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J.P. MAY It is a pleasure to be here to help celebrate Mike Boardman’s 60th birthday. I have just finished writing a history of stable algebraic topology from the end of World War II through 1966 [18]. The starting point was natural enough. The paper of Eilenberg and Mac Lane [6] that introduced the categorical language we now all speak appeared in 1945, and so did the paper of Eilenberg and St...
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Optogenetics and electron microscopy reveal an ultrafast mode of synaptic vesicle recycling, adding a new twist to a 40-year-old controversy.
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When solving large nonsymmetric systems of linear equations with the restarted GMRES algorithm, one is inclined to select a relatively large restart parameter in the hope of mimicking the full GMRES process. Surprisingly, cases exist where small values of the restart parameter yield convergence in fewer iterations than larger values. Here, two simple examples are presented where GMRES(1) conver...
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There has been much talk in recent years of devolving powers and functions from the federal government to the states. Some observers even proclaim a “devolution revolution” (Nathan 1996), the result of which will be a more efficient and effective federal government and more robust and responsive states. The generally recognized objectives of devolution include (1) more efficient provision and p...
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ژورنال
عنوان ژورنال: Blood
سال: 2007
ISSN: 0006-4971,1528-0020
DOI: 10.1182/blood-2007-07-101006