A rough analytic relation on partial differential equations

Details A rough analytic relation on partial differential equations A rough analytic relation on partial differential equations

2010-04-28

arxiv.org/abs/1004.4981v1

Mathematics

Metric Geometry

18 pages

Scientific paper

We introduce some analytic relations on the set of partial differential equations of two variables. It relies on a new comparison method to give rough asymptotic estimates for solutions which obey different partial differential equations. It uses a kind of scale transform called tropical geometry which connects automata with real rational dynamics. Two different solutions can be considered when their defining equations are transformed to the same automata at infinity. We have a systematic way to construct related pairs of different partial differential equations, and also construct some unrelated pairs concretely. These verify that the new relations are non trivial. We also make numerical calculations and compare the results for both related and unrelated pairs of PDEs.

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