منابع مشابه
On the Complexity of Recognizing Iterated Differences of Polyhedra on the Complexity of Recognizing Iterated Differences of Polyhedra
The iterated di erence of polyhedra V P n P n Pk has been proposed independently in and as a su cient condition for V to be exactly computable by a two layered neural network An algorithm checking whether V IR is an iterated di erence of polyhedra is proposed in However this algorithm is not practically usable because it has a high computational complexity and it was only conjectured to stop wi...
متن کاملOn the Complexity of Recognizing Iterated Differences of Polyhedra
The iterated diierence of polyhedra V = P1n(P2n independently in 11] and 7] as a suucient condition for V to be exactly computable by a two-layered neural network. An algorithm checking whether V I R d is an iterated diierence of polyhedra is proposed in 11]. However, this algorithm is not practically usable because it has a high computational complexity and it was only conjectured to stop with...
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Conveyance and recognition of human emotion and affective expression is influenced by many factors, including culture. Within the user modeling field, it has become increasingly necessary to understand the role affect can play in personalizing interactive interfaces using embodied animated agents. However, little research within the computer science field aims at understanding cultural differen...
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In his essay entitled The Uniqueness of the Individual, published in 1957, the Nobel Laureate Peter Medawar described how the tremendous genetic diversity of individuals within a species enables the species as a whole to survive.1 At same time, his essay highlights that individual genetic diversity also poses a major challenge for the medical profession when trying to treat individuals. Althoug...
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RNA-mediated silencing has rapidly arisen as a critical tool in the arsenal of the molecular biologist. This strategy facilitates the generation of loss-of-function mutations in individual cells or in whole organisms and enables investigators to interrogate the impact of these mutations. The rapid proliferation of small interfering RNA (siRNA) experimentation has provided a complementary view t...
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ژورنال
عنوان ژورنال: Nature Reviews Cancer
سال: 2003
ISSN: 1474-175X,1474-1768
DOI: 10.1038/nrc1197