Titlebook: Herausforderung Qualit?t; 22. IPA-Arbeitstagun H. J. Warnecke (o. Professor an der Universit?t St Conference proceedings 1989 Springer-Verl

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d on the values of the model parameters. While mathematical analysis of models we have discussed in Chapter . is very useful for understanding asymptotic behaviors and longtime qualitative outcomes, when models are confronted with disease data the problem is often for finite time, and an accurate es

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A. K?sterruction of models.A collection of problems designed to appro.This book is an introduction to mathematical biology for students with no experience in biology, but who have some mathematical background. The work is focused on population dynamics and ecology, following a tradition that goes back to Lot

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W. Masinger of the tale by Italo Calvino, quoted in the foreword, is in fact obsessed by some event happened millions of years before, within an hallucinatory mixture of space and time. However, the need of including the influence of past effects in the description of natural phenomena was explicitly recogni

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G. F. Kamisketime . and abundance .(.), are real valued and are allowed to take any value. Use of continuous models lets us take advantage of the tools provided by calculus and, moreover, such a framework belongs to the traditional approach to modeling physical phenomena. However, since the 1970‘s, discrete time

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D. Gannress, 1984), we start by defining the Komar mass for stationary spacetimes. We then discuss field theory and introduce the Einstein–Hilbert action as a means of motivating the definition of the ADM mass. Finally, we prove the (Riemannian) positive mass theorem and the (Riemannian) Penrose inequality

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F. Schweiggertfield equations, following Wald (General relativity, University of Chicago Press, 1984). We start by studying the Klein–Gordon equation, as a prototypical wave equation, and the Maxwell equations, where the issues of constraints on the initial data and gauge freedom also arise. We then sketch the pr