Ueber die Modificationen, welche die ebene Abbildung einer Fläche 3ter Ordnung durch Auftreten von Singularitäten erhält (mit einer lithographirten Tafel)
A duality principle for delay equations
Mathematical ecology - S. A. Levin and T. G. Hallam.
A beginner's guide to adaptive dynamics
The aim of these notes is to illustrate, largely by way of examples, how standard ecological models can be put into an evolutionary perspective in order to gain insight in the role of natural selection in shaping life history characteristics. We limit ourselves to phenotypic evolution under clonal reproduction (that is, we simply ignore the importance of genes and sex). Another basic assumption is that mutation occurs on a time scale which is long relative to the time scale of convergence...
The Second Half-With a Quarter of a Century Delay
We show how results by Diekmann (2007) on the qualitative behaviour of solutions of delay equations apply directly to a resource-consumer model with age-structured consumer population.
Perturbation Theory for Dual Semigroups. I. The Sun-Reflexive Case.
A Hille-Yosida theorem for a class of weakly * continuous semigroups.
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