منابع مشابه
A survey of fuzzifications of frames, the Papert-Papert-Isbell adjunction and sobriety
This paper gives a survey of fuzzifications of frames, the Papert-Papert-Isbell adjunction between the categories of topological spaces and locales as well as the related concept of sobriety. It then establishes categorical isomorphisms between Yao-L-frames, Zhang-Liu-L-frames and L-algebras. Lastly, it studies the relationships between L-sobriety, modified L-sobriety and ιL-sobriety. The obtai...
متن کاملSeymour Benzer 1921–2007
It is now common knowledge that both “Nature” and “Nurture” determine animal behavior. But even as late as the 1970s, the concept that genes have anything to do with behavior was not universally accepted. In the face of such skepticism, Seymour Benzer, working tirelessly at Caltech, refused to join the philosophical debate and, in the way so familiar to those who knew him, shrugged his shoulder...
متن کاملSeymour Benzer (1921–2007)
The style of scientific giants differs at least as much as their interests. Seymour Benzer, who died in Pasadena on Novem-ber 30, 2007, at the age of 86, was made of the stuff of the great restless explorers. But unlike the Cooks and Magellans, he never waited for a monarch's approval to sail, nor did he claim sovereignty over the new territory. With admirable drive, curiosity , and tenacity, h...
متن کاملSolving the seymour problem
Optimization problems are at the heart of much of operations research and can vary substantially both in complexity and size. In many problems, the sheer size of the instance makes it very difficult to solve due to time or space limitations. In others, the complexity of the problem (nonlinearities, nonconvexities, or discreteness) can make it difficult or impossible to solve to optimality, even...
متن کاملSeymour Benzer (1921–2007)
Biology lost one of its greats with the death on November 30th last year of Seymour Benzer. In the century that began with the rediscovery of Mendelian units of heredity and ended with the sequencing of the human genome, Benzer’s studies of gene fine structure defined the pivotal moment in the transition from classical to molecular genetics. This quiet devoté of science, with an impish sense of...
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ژورنال
عنوان ژورنال: Nature
سال: 2016
ISSN: 0028-0836,1476-4687
DOI: 10.1038/537308a