Sufficient and necessary conditions for the permanence of a discrete model with beddington-deangelis functional response

HIGHLIGHTS

• who: Functional Response and collaborators from the School of Mathematics and Statistics Science, Ludong University, Yantai, Shandong, China have published the article: Sufficient and Necessary Conditions for the Permanence of a Discrete Model with Beddington-DeAngelis Functional Response, in the Journal: (JOURNAL) of 24/04/2014
• how: In the authors gave a qualitative analysis for the permanence of ratio-dependent preypredator model there the authors used the comparison theorem of difference equations unfortunately an additional condition should be considered while the authors deleted this additional condition (the method the authors used is not the comparison . . .
  

   

  

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