Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 29 for “"replicator"”.
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Stochastic stability of replicator dynamics with random jumps
… further generalize the stochastic version of the replicator dynamics due to Fudenberg and Harris. In particular, we add a random jump term to the payo ff function to simulate anomalous events and their e ffects on the fi tness. Assuming a 2 by 2 game and using a particular characteristic of the …
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Structure and Function of the Yeast Chromosomal Replicator Ars1 (Plasmid)
Autonomously Replicating Sequence 1 (ARS1) is a cis acting DNA sequence that allows the extra-chromosomal maintenance of plasmids in the yeast Saccharomyces cerevisiae. In order to define the functional domains of ARS1 and determine its role in plasmid maintenance, I have performed in vitro …
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The Replicator : on the social destruction of fact through replication as art
… it may continue into the future? Together the Replicators proclaim 'The World has already been Made!' but what then delays utopia? In the last two years we have seen a massive upsurge in the use of replication as a strategy to produce meaning. Of these works I have chosen three: Yael Bartana's …
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The Non-Ending Search for a Pre-DNA Replicator: Richard Dawkins and the Problem of Abiogenesis
This dissertation provides a rebuttal to the claims of Richard Dawkins in explaining the origin of life. The bulk of the ensuing analysis challenges his philosophical assumptions as it notes his vacillation between several models over time. The study further details Dawkins's multifaceted approach …
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Passivity, no-regret, and performance in online learning and games
… to strategies. Building on prior work for replicator dynamics, we show that if the learning dynamic model satisfies a passivity condition between the payoff vector and the deviation of its evolving strategy from any fixed strategy, it achieves finite regret. We then prove that this …
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A Neural Network-Based Methodology for Generating Spectrum -Compatible Earthquake Accelerograms
… approach is used. In the first stage, a replicator neural network is used as a data compression tool. The replicator neural network compresses the vector of the discrete Fourier spectra of the accelerograms to vectors of much smaller dimension. In the second stage, a multi-layer …
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General incentives in finite game theory
… the Brown-von Neumann-Nash dynamics, replicator equations, projection dynamics, logit equations, best-reply dynamics, and pairwise comparison dynamics will all be derived from their respective incentives. It will be shown that the incentive dynamics are fully general in the sense that …
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Modeling and analysis of market share dynamics in a duopoly subject to affine feedback advertising policies and delays
… model of market share dynamics based on the replicator-mutator model from evolutionary game theory. This is done by identifying strategies with the entries of a preference matrix consisting of the choice preferences of firms by clients and the mutation matrix representing transition …
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Climbing Mount Probable
… the framework to study dynamics other than the replicator equation.
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Kajian terhadap sifat mekanik bagi jenis corak pengisian dalam proses pembuatan tiga demensi
… that have on the model that produced by Makerbot Replicator 2 machine. This machine apply Fused Deposition Modelling (FDM) technology where the 3D model fabricate with different infill pattern such hexagonal, linear, marrocanstar and catfill. The determination of percentage infill is 20%, 40%, 60% …
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Preference Games and Sink Equilibria
… problem establishing their existence under the replicator dynamic, the best-known game dynamic. We prove that sink chain components under the replicator always contain sink equilibria, and we conjecture that this relationship is always one-to-one. Thus we obtain the surprising result that the …
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Preference Games and Sink Equilibria
… problem establishing their existence under the replicator dynamic, the best-known game dynamic. We prove that sink chain components under the replicator always contain sink equilibria, and we conjecture that this relationship is always one-to-one. Thus we obtain the surprising result that the …
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Evaluating memetics : A case of competing perspectives at an SME.
Memetics, which posits a cultural replicator similar to the gene in biology, has been proposed as a theory with which to study cultural phenomena such as organisations. However, much of the theory of memetics has been developed without empirical testing. Consequently, its application to …
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Microevolutionary language theory
… Research contributions include: (1) An active replicator model of microevolutionary dynamics within natural language, (2) methods to distill active replicators offering evidence of evolutionary processes in action and at multiple linguistic levels (lexical, lexical co-occurrence, …
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Anomaly detection for environmental noise monitoring
… including one-class support vector machine, replicator neural network, and principal component analysis based anomaly detection shows low performance in the collected data because these standard algorithms are unable to exploit the daily patterns. Therefore, principal component analysis …
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On pruning and feature engineering in Random Forests.
… factor, diversified weighted subspaces, and replicator dynamics. Applying these techniques on RF produced four extensions which we have termed CLUB-DRF, LOFB-DRF, DSB-RF, and RDB-DR respectively. Experimental studies on 15 real datasets showed favorable results, demonstrating the potential of …
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Organisational phylogenesis : Developing and evaluating a memetic methodology.
… upon a non-genetic replicating code. This new replicator represents the fundamental unit of cultural transmission and was termed by evolutionist, Richard Dawkins, as the meme. The memetic position re-introduces many often neglected, sometimes shunned, evolutionary arguments into social and …
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Strategizing against online learners in normal form repeated games
… algorithm for the discrete-time games, and the Replicator Dynamics in the continuous-time games. In general-sum games, we provide a negative result. Our negative result shows that, unless P=NP, there is no Fully Polynomial Time Approximation Scheme (FPTAS) for maximizing the utility of an …
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Molecular Genetic Characterization of the Mating Pair Formation and Vegetative Replication Regions on the Agrobacterium Tumefaciens Ti Plasmid pTiC58
… to repA, repB, and repC of the RepABC-type replicator of several large plasmids found in the family Rhizobiaceae. The TraR recognition sites located in the traI-repA intergenic region affected expression of both traI-trb operon and repA. Copy number of a minimal rep plasmid and the Ti …
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Improving Internet Security through Empirical and Qualitative Studies of Email and DNS Ecosystem
… evaluation with a purpose-built erroneous zone replicator demonstrates that DFixer can automatically repair 99.99% of observed DNSSEC errors within seconds. Together, these studies reveal the gap between the theoretical robustness of Internet security protocols and their practical deployment …
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