Titlebook: Mathematical Aspects of Reacting and Diffusing Systems; Paul C. Fife Book 1979 Springer-Verlag Berlin Heidelberg 1979 Derivative.Diffusing

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n of his role and his self-image was a common theme in many of these articles. Beyond that, however, there were even approaches to closely related themes that he developed more precisely only in his later life: the question of experts, citizens, and democracy.

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,Fisher’s Nonlinear Diffusion Equation and Selection-Migration Models,these equations in recent years. This chapter is concerned with the justification for the use of single diffusion equations in modeling selection- migration phenomena. We begin with an overview of arguments which have been used in the past to model the problem by a single equation. We shall then app

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Book 1979ffuse. Other analogies are less obvious; for example, the electric potential of a membrane can diffuse like a chemical, and of course can interact with real chemical species (ions) which are transported through the membrane. These facts gave rise to Hodgkin‘s and Huxley‘s celebrated model for the pr

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0341-633X teract with real chemical species (ions) which are transported through the membrane. These facts gave rise to Hodgkin‘s and Huxley‘s celebrated model for the pr978-3-540-09117-2978-3-642-93111-6Series ISSN 0341-633X Series E-ISSN 2196-9981

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Modeling Considerations,iduals (or eliminate individuals), and also move about in some random manner. The use of these equations is rightly subject to dispute in many cases, and so it is appropriate that we spend some effort in attempting to elucidate the assumptions on which they are based in population dynamical contexts.

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