Nonstandard fordert Standard heraus. Das war immer so. So ist es auch in der Analysis.Nonstandardanalysis fordert 100-jährige Routinen in den Elementen der Standardanalysis heraus. Wir entwickeln die Elemente – standard neben nonstandard – aus den Grundideen, zeigen ihre Anwendungen in vielen Beispielen und vergleichen beide Ansätze.Wir stellen fest: Nonstandard erweitert und bereichert Standard. Zentral ist: Grenzprozesse, die Grundelemente der Standardanalysis, werden non...

All over the world countries struggle with water stress. Problems vary from water scarcity and a degrading water quality, to floods and a rising sea level due to climate change. The European Union adopted a Water Framework Directive to improve the sustainability of water management in its member states. Water management should be coordinated at the level of river basins as a whole. Interests of various user groups should be better represented. River basin visions should take into account t...