Papamikos, Georgios and Pryer, Tristan (2019) 'A Lie symmetry analysis and explicit solutions of the two-dimensional ∞-Polylaplacian.' Studies in Applied Mathematics, 142 (1). 48 - 64. ISSN 0022-2526
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A Lie symmetry analysis and explicit solutions of the two dimensional inf-polylaplacian.pdf - Accepted Version Download (243kB) | Preview |
Abstract
In this work, we consider the Lie point symmetry analysis of a strongly nonlinear partial differential equation of third order, the ∞‐Polylaplacian, in two spatial dimensions. This equation is a higher order generalization of the ∞‐Laplacian, also known as Aronsson's equation, and arises as the analog of the Euler–Lagrange equations of a second‐order variational principle in L∞. We obtain its full symmetry group, one‐dimensional Lie subalgebras and the corresponding symmetry reductions to ordinary differential equations. Finally, we use the Lie symmetries to construct new invariant ∞‐Polyharmonic functions.
Item Type: | Article |
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Divisions: | Faculty of Science and Health > Mathematical Sciences, Department of |
Depositing User: | Elements |
Date Deposited: | 05 Nov 2020 13:30 |
Last Modified: | 05 Nov 2020 13:30 |
URI: | http://repository.essex.ac.uk/id/eprint/26459 |
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