Tame Humming Birds
نویسندگان
چکیده
منابع مشابه
Ecological differences amoung four genera of Phthiraptera infesting south-eastern Brazilian humming-birds.
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Tame Flows
The tame flows are “nice” flows on “nice” spaces. The nice (tame) sets are the pfaffian sets introduced by Khovanski, and a flow Φ : R×X → X on pfaffian set X is tame if the graph of Φ is a pfaffian subset of R×X×X . Any compact tame set admits plenty tame flows. We prove that the flow determined by the gradient of a generic real analytic function with respect to a generic real analytic metric ...
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We study various notions of “tameness” for definably complete expansions of ordered fields. We mainly study structures with locally o-minimal open core, d-minimal structures, and dense pairs of d-minimal structures.
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ژورنال
عنوان ژورنال: Scientific American
سال: 1897
ISSN: 0036-8733
DOI: 10.1038/scientificamerican10021897-217a