Title
Fast simulation of large-scale growth models
Abstract
We give an algorithm that computes the final state of certain growth models without computing all intermediate states. Our technique is based on a "least action principle" which characterizes the odometer function of the growth process. Starting from an approximation for the odometer, we successively correct under- and overestimates and provably arrive at the correct final state. The degree of speedup depends on the accuracy of the initial guess. Determining the size of the boundary fluctuations in growth models like internal diffusion-limited aggregation (IDLA) is a long-standing open problem in statistical physics. As an application of our method, we calculate the size of fluctuations over two orders of magnitude beyond previous simulations.
Year
DOI
Venue
2011
10.1007/978-3-642-22935-0_47
Clinical Orthopaedics and Related Research
Keywords
DocType
Volume
odometer function,intermediate state,growth model,boundary fluctuation,fast simulation,initial guess,correct final state,internal diusion,certain growth model,large-scale growth model,growth process,final state,. cycle popping,action principle,least action principle
Conference
abs/1006.1003
Issue
ISSN
Citations 
2
1042-9832
9
PageRank 
References 
Authors
0.95
14
2
Name
Order
Citations
PageRank
Tobias Friedrich121113.48
Lionel Levine2315.43