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On the Existence of Equilibrium Points, Boundedness, Oscillating Behavior and Positivity of a SVEIRS Epidemic Model under Constant and Impulsive Vaccination
De la Sen Parte, Manuel 
; Ravi, P.; Agarwal, A.; Ibeas Hernández, Asier ; (Hindawi Publishing Corporation, 2011)
; Ravi, P.; Agarwal, A.; Ibeas Hernández, Asier ; (Hindawi Publishing Corporation, 2011)
This paper discusses the disease-free and endemic equilibrium points of a SVEIRS propagation disease model which potentially involves a regular constant vaccination. The positivity of such a model is also discussed as well ...
Results on proximal and generalized weak proximal contractions including the case of iteration-dependent range sets
De la Sen Parte, Manuel ; Agarwal, Ravi P.; Ibeas Hernández, Asier (Springer International Publishing, 2014-07-18)
; Agarwal, Ravi P.; Ibeas Hernández, Asier (Springer International Publishing, 2014-07-18)
This paper presents some further results on proximal and asymptotic proximal contractions and on a class of generalized weak proximal contractions in metric spaces. The generalizations are stated for non-self-mappings of ...