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VISUALIZATION
1992
IEEE
15 years 10 months ago
Virtual Spacetime: An Environment for the Visualization of Curved Spacetimes via Geodesic Flows
We describe an implementation of a virtual environment for visualizing the geometry of curved spacetime by the display of interactive geodesics. This technique displays the paths ...
Steve Bryson
ITP
2010
156views Mathematics» more  ITP 2010»
15 years 10 months ago
The Optimal Fixed Point Combinator
In this paper, we develop a general theory of fixed point combinators, in higher-order logic equipped with Hilbert’s epsilon operator. This combinator allows for a direct and e...
Arthur Charguéraud
ECAI
2006
Springer
15 years 10 months ago
An Efficient Upper Approximation for Conditional Preference
The fundamental operation of dominance testing, i.e., determining if one alternative is preferred to another, is in general very hard for methods of reasoning with qualitative cond...
Nic Wilson
ECSQARU
1995
Springer
15 years 10 months ago
Model-Based Diagnostics Using Hints
It is often possible to describe the correct functioning of a system by a mathematical model. As long as observations or measurements correspond to the predictions made by the mod...
Jürg Kohlas, Paul-André Monney, Rolf H...
FOSSACS
2008
Springer
15 years 8 months ago
Symbolic Semantics Revisited
Abstract. Symbolic bisimulations were introduced as a mean to define value-passing process calculi using smaller, possibly finite labelled transition systems, equipped with symboli...
Filippo Bonchi, Ugo Montanari