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Now showing items 21-24 of 24
Genetic regulatory network models of biological clocks : evolutionary history matters
(2008)
We study the evolvability and dynamics of artificial genetic regulatory networks (GRNs), as active control systems, realizing simple models of biological clocks that have evolved to respond to periodic environmental stimuli ...
An assertion concerning functionally complete algebras and NP-completeness
(2008)
In a paper published in J. ACM in 1990, Tobias Nipkow asserted that the problem of deciding whether or not an equation over a nontrivial functionally complete algebra has a solution is NP-complete. However, close examination ...
Computational memory architectures for autobiographic agents interacting in a complex virtual environment : a working model
(2008)
In this paper, we discuss the concept of autobiographic agent and how memory may extend an agent's temporal horizon and increase its adaptability. These concepts are applied to an implementation of a scenario where agents ...
Human to robot demonstrations of routine home tasks: exploring the role of the robot's feedback
(2008)
In this paper, we explore some conceptual issues, relevant for the design of robotic systems aimed at interacting with humans in domestic environments. More specifically, we study the role of the robot's feedback (positive ...