Facing the Brink without Crossing It
نویسندگان
چکیده
منابع مشابه
Crossing over without Chiasmatype?
In a recent number of this journal Professor RICHARD GOLDSCHMIDT has a paper (1917) , “Crossing over ohm Chktsmtypie?“, in which he develops a hypothesis to account for crossing over without recourse to the chiasmatype theory of JANSSENS (which, according to GOLDSCHMIDT, “ziemlich in der Luft schwebt”), or to any similar process. The argument is based on the “von jedermann anerkannten Vorausset...
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Screening models are used to analyze contracting in many subfields of economics like regulation, labor economics, monopoly pricing, taxation or finance. Most models assume single crossing. This simplifies the analysis as local incentive compatibility is in this case sufficient for global incentive compatibility. If single crossing is violated, global incentive compatibility constraints have to ...
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A drawing of a graph G is a mapping which assigns to each vertex a point of the plane and to each edge a simple continuous arc connecting the corresponding two points. The crossing number of G is the minimum number of crossing points in any drawing of G. We define two new parameters, as follows. The pairwise crossing number (resp. the odd-crossing number) of G is the minimum number of pairs of ...
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ژورنال
عنوان ژورنال: BioScience
سال: 2007
ISSN: 1525-3244,0006-3568
DOI: 10.1641/b571103