Manchester Applied Mathematics and Numerical Analysis Seminars

Spring 1999

February 17, 1999, 4.00 pm

Lecture Theatre OF/B9 Oddfellows Hall (Material Science)

Iterated function systems and their invariant measures

Dr. Anders Öberg, Dept. of Mathematics, UMIST

The first 30 min of this talk will be an introduction to the theory of iterated function systems and invariant measures. These measures can be regarded as eigen-measures of the adjoint operator to the dynamical transfer operator. In the last part of the talk we will discuss different approaches of approximating invariant measures. Two important algorithms will be discussed, both involving perturbation techniques of the transfer (or Ruelle--Perron--Frobenius) operator.

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For further info contact either Matthias Heil (, Mark Muldoon ( the seminar secretary (Tel. 0161 275 5800).

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