# Mathematics Colloquia and Seminars

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### On the Iterative Solution of a Class of Nonsymmetric Algebraic Riccati Equations

**Special Events**

Speaker: | Dr. Chun-Hua Guo, Computer Science, UC Davis |

Location: | 1065 EU II |

Start time: | Wed, Jun 2 1999, 11:00AM |

We consider the iterative solution of a class of nonsymmetric algebraic Riccati equations, which includes a class of algebraic Riccati equations arising in transport theory. For any equation in this class, Newton's method and a class of basic fixed-point iterations can be used to find its minimal positive solution whenever it has a positive solution. The properties of these iterative methods are studied and some practical issues are addressed. An algorithm is then proposed to find the minimal positive solution efficiently. Numerical results are also given. .