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Abstract: In this paper, we investigate the action of pseudogroup of all pointtransformations on the natural bundle of equations$y-=a^3x,yy-^3+a^2x,yy-^2+a^1x,yy-+a^0x,y$. We constructdifferential invariants of this action and solve the equivalence problem forsome classes of these equations in particular for generic equations.



Autor: Valeriy A. Yumaguzhin

Fuente: https://arxiv.org/







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