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Physical Sciences and Mathematics Commons

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Discrete Mathematics and Combinatorics

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Portland State University

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Numerical analysis

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Articles 1 - 2 of 2

Full-Text Articles in Physical Sciences and Mathematics

Ideals, Big Varieties, And Dynamic Networks, Ian H. Dinwoodie Sep 2018

Ideals, Big Varieties, And Dynamic Networks, Ian H. Dinwoodie

Mathematics and Statistics Faculty Publications and Presentations

The advantage of using algebraic geometry over enumeration for describing sets related to attractors in large dynamic networks from biology is advocated. Examples illustrate the gains.


Exact Tests For Singular Network Data, Ian H. Dinwoodie, Kruti Pandya Jul 2014

Exact Tests For Singular Network Data, Ian H. Dinwoodie, Kruti Pandya

Mathematics and Statistics Faculty Publications and Presentations

We propose methodology for exact statistical tests of hypotheses for models of network dynamics. The methodology formulates Markovian exponential families, then uses sequential importance sampling to compute expectations within basins of attraction and within level sets of a sufficient statistic for an over-dispersion model. Comparisons of hypotheses can be done conditional on basins of attraction. Examples are presented.