No abstract

Given an action of a groupoid by isomorphisms on a Fell bundle (over another groupoid), we form a semidirect-product Fell bundle, and prove that its C * -algebra is isomorphic to a crossed product.

The Eventscope program develops publicly accessible "reality browsers" that display both archived and updating representations of remote environments derived from on-site robotic sensors. The interface encourages collaborative work within a community of users. Public exploration of real remote sites presents a variety of interface issues addressed by EventScope, including time delay, public exploration via a single robot and communication between geographically separate users from diverse backgrounds. Merging public interface with educational and contextual information extends the notion of "interface" to "remote reality library. " Eventscope is a NASA and private foundationfunded project based at Carnegie Mellon University.

No abstract

No abstract