系数满足任意函数积分或微分条件的Riccati方程的解析解

T. Harko, F. Lobo, M. Mak
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引用次数: 20

摘要

给出了Riccati方程dy/dx = a(x) + b(x)y + c(x)y 2的十个新的精确解。通过假设Riccati方程的系数a(x)、b(x)和c(x)之间存在一定的关系,以积分或微分的形式表示,也涉及到任意函数,得到了解。通过适当地选择Riccati方程系数的形式,利用系数所规定的条件,得到了Riccati方程的10种新的可积情况。对于每种情况,也给出了Riccati方程的通解。本文还简要讨论了所得数学结果应用于各向异性广义相对论恒星模型研究的可能性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analytical Solutions of the Riccati Equation with Coefficients Satisfying Integral or Differential Conditions with Arbitrary Functions
Ten new exact solutions of the Riccati equation dy/dx = a(x) + b(x)y + c(x)y 2 are presented. The solutions are obtained by assuming certain relations among the coefficients a(x), b(x) and c(x) of the Riccati equation, in the form of some integral or differential expressions, also involving some arbitrary functions. By ap- propriately choosing the form of the coefficients of the Riccati equation, with the help of the conditions imposed on the coefficients, we obtain ten new integrability cases for the Riccati equation. For each case the general solution of the Riccati equation is also presented. The possibility of the application of the obtained mathematical results for the study of anisotropic general relativistic stellar models is also briefly considered.
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