نتایج جستجو برای: richard dawkins
تعداد نتایج: 16425 فیلتر نتایج به سال:
We describe an interactive search algorithm inspired by the immune system. The algorithm learns what parts of the search space are not useful to help a user explore large parameter spaces efficiently. The algorithm is capable of finding consensus solutions for parties with different selection criteria. A simple implementation of the algorithm applied to selecting Biomorphs (Dawkins 1986) is pre...
S U M M A R Y The Crandall Canyon Mine, Utah, collapse in 2007 August resulted in a total of nine fatalities. We processed data from the ALOS satellite acquired before and after the collapse to quantify surface subsidence associated with the collapse to better understand the collapse process. The deformation shows a steep V-shaped pattern of subsidence with slight asymmetry.We compare the fit o...
This paper extends tools developed by Richard Crandall in [16] to provide robust, high-precision methods for computation of the incomplete Gamma function and the Lerch transcendent. We then apply these to the corresponding computation of the Hurwitz zeta function and so of Dirichlet L-series and character polylogarithms.
We study analytic properties of the Witten zeta function W(r, s, t), which is also named after Mordell and Tornheim. In particular, we evaluate the function W(s, s, τs) (τ > 0) at s = 0 and, as our main result, find the derivative of this function at s = 0. Our principal tool is an identity due to Crandall that involves a free parameter and provides an analytic continuation. Furthermore, we der...
این نوشته برگردان مقاله زیر است: Richard Hoshino and Ken-ichi Kawarabayashi, Graph Theory and Sports Scheduling, Notices of the AMS, 60 (2013) 726-731.
A two-locus genetic model, based on Dawkins "sex war" game, with the fitness of the genotypes at each locus depending on the gene frequencies at the other, is shown to give rise to a stable limit cycle. The mathematical analysis involves averaging techniques and elliptic integrals.
Water immersion-induced grooming sequences and open field behaviour were studied in two sublines of Sprague-Dawley rats, Rattus norvegicus, selectively bred for high(HY) and low-yawning (LY) frequency. HY rats were more active than LY rats in the open field: ambulation, rearings and wall-leanings were significantly higher in the former than in the latter group, indicating that LY rats are more ...
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