Doo-Sabin and Catmull-Clark subdivision surfaces are based on the notion of repeated knot insertion of uniform tensor product B-spline surfaces. This paperdevelopsrules for non-un...
Thomas W. Sederberg, Jianmin Zheng, David Sewell, ...
: In this paper we describe the Iso-phone, a telecommunications concept providing a service that can be described simply as a meeting of the telephone and the floatation tank. By b...
We show that regular median graphs of linear growth are the Cartesian product of finite hypercubes with the two-way infinite path. Such graphs are Cayley graphs and have only tw...
The explosive growth of the world-wide-web and the emergence of e-commerce has led to the development of recommender systems—a personalized information filtering technology use...
A survey is given of results about coherence for categories with finite products and coproducts. For these results, which were published previously by the authors in several places...