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Showing papers by "Albion College published in 1988"


Journal ArticleDOI
01 Feb 1988
TL;DR: In this paper, a multivariable analogue to Karamata's theory of regularly varying functions is presented, which uses elements of real analysis and Lie groups to analyze the asymptotic behavior of functions and measures on Rk.
Abstract: Researchers investigating certain limit theorems in probability have discovered a multivariable analogue to Karamata's theory of regularly varying functions. The method uses elements of real analysis and Lie groups to analyze the asymptotic behavior of functions and measures on Rk. We present an account here which is independent of probabilistic considerations.

98 citations


Journal ArticleDOI
TL;DR: There are large interactions among the different combinations of display parameters that can reliably elicit a perceptually compelling impression of a solid object rotating rigidly in three-dimensional space.
Abstract: Several experiments were performed in an effort to determine the different combinations of display parameters that can reliably elicit a perceptually compelling impression of a solid object rotating rigidly in three-dimensional space. All of the displays were computer-generated simulations of rigid objects rotating in depth under parallel projection. The parameters investigated included the number of frames in the apparent motion sequence, the temporal and spatial displacements between frames, the number of elements in the depicted object, and the structural organization of those elements. The results indicated that there are large interactions among these different parameters in their effects on the perception of structure from motion.

72 citations


Proceedings ArticleDOI
01 Feb 1988
TL;DR: This paper explores recursion using Prolog (whose predominate control structure is recursion) and through fractals which possess a visually recursive form and which demonstrate recursion graphically and whose resultant figures are fractals whose recursive nature is particularly easy to analyze in the Turbo Prolog environment.
Abstract: Recursion has traditionally been a difficult concept for students to understand, both as a control structure and as an analytical tool. This paper explores recursion using Prolog (whose predominate control structure is recursion) and through fractals which possess a visually recursive form. We discuss several simple Turbo Prolog programs which demonstrate recursion graphically and whose resultant figures are fractals whose recursive nature is particularly easy to analyze in the Turbo Prolog environment.

18 citations


Journal ArticleDOI
TL;DR: Presentation d'un modele de selecteur de frequence radio est base sur la theorie renouvelable de Markov.
Abstract: Presentation d'un modele de selecteur de frequence radio. Le modele est base sur la theorie renouvelable de Markov

2 citations