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The origins and genetic affinities of the more than 500 tribal populations living in South Asia are widely disputed. This may reflect differential contributions that continental populations have made to tribal groups in South Asia. We assayed for the presence of the intergenic COII/tRNALys 9-bp deletion in human mtDNA in 646 individuals from 12 caste and 14(More)
Prolactin (PRL) effects on the female reproductive system have been presumed to occur primarily at the hypothalamic-pituitary level. The following studies were designed to evaluate whether PRL can directly alter gonadotropin actions at the ovarian level. In the first experiment, 10 groups of 7 cycling adult female rats were given a daily dose of pregnant(More)
Probabilistic CMOS is considered a promising technology for future generations of computing devices. By embracing possibly incorrect calculations, the technology makes it possible to trade correctness of circuit operations for potentially significant energy saving. For systematic design of probabilistic circuits, accurate mathematical models are(More)
A methodology has been proposed recently to predict error-rates of probabilistic circuits having a cascade structure. The objective of this poster is two fold. First, the methodology is applied, for the first time in the literature, to a probabilistic carry select adder, which has a more complex structure than the adders mentioned in previous papers.(More)
In this paper we present a new model for characterization of probabilistic gates. While still not mainstream, probabilistic CMOS has the potential to dramatically reduce energy consumption by trading off with error rates on individual bits, e.g., least significant bits of an adder. Our contribution helps account for the filtering effect seen in noise based(More)
This paper proposes a mathematical model for probabilistic ripple-carry adders. The model gives explicit expressions for calculating error probabilities of sum and carry bits. The expressions show how errors propagate through the carry, which accumulate and eventually influence the correctness of a ripple-carry adder's outputs. The proposed model is(More)
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