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ICCV
2007
IEEE
16 years 1 months ago
Efficient Computation of the Inverse Gradient on Irregular Domains
The inverse gradient problem, finding a scalar field f with a gradient near a given vector field g on some bounded and connected domain Rn , can be solved by means of a Poisson ...
Gunnar Farnebäck, Hans Knutsson, Joakim Rydel...
CONCUR
2007
Springer
15 years 6 months ago
Is Observational Congruence Axiomatisable in Equational Horn Logic?
It is well known that bisimulation on µ-expressions cannot be finitely axiomatised in equational logic. Complete axiomatisations such as those of Milner and Bloom/´Esik necessar...
Michael Mendler, Gerald Lüttgen
UMC
2000
15 years 3 months ago
Upper and Lower Bounds on Continuous-Time Computation
Abstract. We consider various extensions and modifications of Shannon's General Purpose Analog Computer, which is a model of computation by differential equations in continuou...
Manuel Lameiras Campagnolo, Cristopher Moore
COMPUTER
1999
50views more  COMPUTER 1999»
14 years 11 months ago
Solving Einstein's Equations on Supercomputers
Gabrielle Allen, Tom Goodale, Gerd Lanfermann, Tho...