Skip to main content
padlock icon - secure page this page is secure

Positivity of solutions in a perturbed age-structured model

Buy Article:

$53.00 + tax (Refund Policy)

For certain age-structured population models, the cone of positive functions is preserved when the dynamics is perturbed by white noise. Solutions can be forced to assume negative values, even when initial conditions are strictly positive. Necessary and sufficient conditions are expressed under which the solutions are nonnegative.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
No Metrics

Keywords: Dynamics of populations; invariance; stochastic partial differential equation

Document Type: Research Article

Affiliations: 1: Dipartimento di Matematica, Universit√† di Roma “Tor Vergata”, Italy 2: Scuola Normale Superiore di Pisa, Italy

Publication date: January 2, 2016

  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more