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Immersive Visualization of Supercomputer Applications: A Survey of Lag Models

The use of virtual reality has been demonstrated to be very useful in the visualization of science and the synthesis of vast amounts of data. Further, advances in high-speed networks makes feasible the coupling of remote supercomputer simulations and virtual environments. The critical performance issue to be addressed with this coupling is the end-to-end lag time (i.e., the delay between a user...

Visualization of Horse Sickness virus by the Fluorescent antibody technique

Permutations realized by shifts

A permutation π is realized by the shift on N symbols if there is an infinite word on an N -letter alphabet whose successive left shifts by one position are lexicographically in the same relative order as π. The set of realized permutations is closed under consecutive pattern containment. Permutations that cannot be realized are called forbidden patterns. It was shown in [J.M. Amigó, S. Elizald...

Distances Realized by Sets Covering the Plane

A proof is given of the (known) result that, if real n-dimensional Euclidean space R” is covered by any n + 1 sets, then at least one of these sets is such that each distance d (0 < d < a)) is realized as the distance between two points of the set. In particular, this result holds if the plane is covered by three sets; but it does not necessarily hold if the plane is covered by six sets. I f ea...

Immersive Visualization of Supercomputer Applications: Exploring the End-to-end Lag of Diierent Applications

Virtual reality has been demonstrated to be very useful in the visualization of science and the synthesis of vast amounts of data Further advances in high speed networks make feasible the coupling of supercomputer simulations and virtual environments The critical performance issue to be addressed with this coupling is the end to end lag time i e the delay between a user input and the result of ...