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Stable Coexistence of Three Species in Competition
Linköping University, Department of Mathematics.
2009 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This report consider a system describing three competing species with populations x, y and z. Sufficient conditions for every positive equilibrium to be asymptotically stable have been found. First it is shown that conditions on the pairwise competitive interaction between the populations are needed. Actually, these conditions are equivalent to asymptotic stability for any two-dimensional competing system of the three species. It is also shown that these alone are not enough, and that a condition on the competitive interaction between all three populations is also needed. If all conditions are fulfilled, each population will survive on a long-term basis and there will be a stable coexistence.

Place, publisher, year, edition, pages
2009. , 21 p.
Keyword [en]
ordinary differential equations, competing species, coexistence, asymptotic stability, Routh's criterion
National Category
Computational Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-18807ISRN: LiTH - MAT - EX - - 2009/02 - - SEOAI: oai:DiVA.org:liu-18807DiVA: diva2:225012
Presentation
Åskådliga rummet, 3A:633, Matematiska Institutionen, Linköping (Swedish)
Uppsok
fysik/kemi/matematik
Supervisors
Examiners
Available from: 2009-06-24 Created: 2009-06-04 Last updated: 2009-06-24Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf