Alexander Fink

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The internal model control (IMC) scheme has been widely applied in the field of process control. So far, IMC has been mainly applied to linear processes. This paper discusses the extension of the IMC scheme to nonlinear processes based on local linear models where the properties of linear design procedures can be exploited. The IMC scheme results in(More)
Matroid polytope subdivisions and valuations Many important invariants for matroids and polymatroids are valuations (or are valuative), which is to say they satisfy certain relations imposed by subdivisions of matroid polytopes. These include the Tutte polynomial, the Billera-Jia-Reiner quasi-symmetric function, Derk-sen's invariant G, and (up to change of(More)
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