Torsten Lindström

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In this paper we analyze sample solutions of a number of problems and relate them to their level as prescribed by Bloom’s taxonomy. We relate these solutions to a number of other frameworks, too. Our key message is that it remains insufficient to analyze written forms of these tasks. We emphasize careful observations of how different students approach a(More)
The Rosenzweig-MacArthur (1963) criterion is a graphical criterion that has been widely used for elucidating the local stability properties of the Gause (1934) type predator-prey systems. It has not been stated whether a similar criterion holds for models with explicit resource dynamics (Kooi et al. (1998)), like the chemostat model. In this paper we use(More)
Klebanoff and Hastings [A. Klebanoff, A. Hastings, Chaos in three species food chains, Journal of Mathematical Biology 32 (1994) 427–451] detected cases of multiple attractors in continuous food-chains. In this paper we discuss similar phenomena in the discrete food-chains introduced by Lindström [T. Lindström, On the dynamics of discrete food-chains:(More)
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