We show that all Ψ-spaces associated to maximal almost disjoint families have pseudocompact Vietoris hyperspace if and only MAc(P(ω)/fin) holds. further study the question whether there is a family whose construct consistent example of size ω2<c not pseudocompact.

In this paper, we describe a framework for the design and development of a real-time adaptive hypermedia system. The framework leverages on the integration of conventional adaptive hypermedia techniques and ACT-R architecture which serves as the theoretical background for the cognitive model that monitors the interaction process between users and the system. The users’ information seeking skill...

MPEG-4 object oriented video codec implementations are rapidly emerging as a solution to compress audio-video information in an efficient way, suitable for narrowband applications. A different view is proposed in this paper: several images in a video sequence result very close to each other. Each image of the sequence can be seen as a vector in a hyperspace and the whole video can be considered...

We calculate the density of the hyperspace of a metric space, endowed with the Hausdorff or the locally finite topology. To this end, we introduce suitable generalizations of the notions of totally bounded and compact metric space.

The bootstrap error -adjusted s ingle-sample technique IBESTl is shown to per form bet ter than the Mahalanobis d is tance met ric in qualitative near-M analysis. The BEST algorithm is designed for high-speed parallel processing supercomputers, but is also shown to operate efficiently on sing le processors. Using hypothet ica l multivariate data, the bias and RSD of the BEST and Mahalanobis met...