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On the Solution of the Monge-Ampere Equation ZxxZyy - Zxy 2= f ( x , y ) with Quadratic Right Side

机译:关于Monge-Ampere方程Z xx Z yy -Z xy 2 = f(x, y),二次方为右侧

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For the Monge-Ampere equation ZxxZyy - Z 2 xy = b 20 x 2+ b 11 xy + b 02 y 2+ b 00 we consider the question on the existence of a solution Z ( x , y ) in the class of polynomials such that Z = Z ( x , y ) is a graph of a convex surface. If Z is a polynomial of odd degree, then the solution does not exist. If Z is a polynomial of 4-th degree and 4 b 20 b 02 - b 211 > 0, then the solution also does not exist. If 4 b 20 b 02 - b 211 = 0, then we have solutions.
机译:对于Monge-Ampere方程Z xx Z yy -Z 2 xy = b 20 x 2 + b 11 xy + b 02 y 2 + b 00 我们考虑在多项式类中存在解Z(x,y)的问题,使得Z = Z(x,y)是凸曲面的图。如果Z是奇数次多项式,则解不存在。如果Z是4级多项式且4 b 20 b 02 -b 2 11 20 b 02 -b 2 11 = 0,那么我们有解决方案。

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