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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"grushin operator"" "subject:"rushin operator""

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The geometry on a step 3 Grushin model

Calin, Ovidiu, Der-Chen, Chang January 2004 (has links)
In this article we study the geometry associated with the sub-elliptic operator ½ (X²1 +X²2), where X1 = ∂x and X2 = x²/2 ∂y are vector fields on R². We show that any point can be connected with the origin by at least one geodesic and we provide an approximate formula for the number of the geodesics between the origin and the points situated outside of the y-axis. We show there are in¯nitely many geodesics between the origin and the points on the y-axis.
Grushin operator
subRiemannian geometry
geodesics
Hamilton-Jacobi theory
elliptic functions
Euler's theta functions
Mathematics

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