نتایج جستجو برای: 110
تعداد نتایج: 40696 فیلتر نتایج به سال:
Several studies have shown that renal failure decreases CYP3A activity and that uremic toxins may play a role via transcriptional or translational modifications of cytochrome P450 (P450) enzymes and direct inhibition of P450-mediated metabolism. In this study, we evaluated the relationship between CYP3A activity (using plasma concentration of 4b-hydroxycholesterol as a biomarker) and clinical c...
The purpose of this paper is to prove that one of the simplest one dimensional cellular automata is computationally universal, implying that many questions concerning its behavior, such as whether a particular sequence of bits will occur, or whether the behavior will become periodic, are formally undecidable. The cellular automaton we will prove this for is known as “Rule 110” according to Wolf...
We give small universal Turing machines with state-symbol pairs of (6, 2), (3, 3) and (2, 4). These machines are weakly universal, which means that they have an infinitely repeated word to the left of their input and another to the right. They simulate Rule 110 and are currently the smallest known weakly universal Turing machines. Despite their small size these machines are efficient polynomial...
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