Appleby John A. D.; Patterson Denis D.: On the admissibility of unboundedness properties of forced deterministic and stochastic sublinear Volterra summation equations. (2016)
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In this paper we consider unbounded solutions of perturbed convolution Volterra summation equations. The equations studied are asymptotically sublinear, in the sense that the state-dependence in the summation is of smaller than linear order for large absolute values of the state. When the perturbation term is unbounded, it is elementary to show that solutions are also. The main results of the paper are mostly of the following form: the solution has an additional unboundedness property U if and only if the perturbation has property U. Examples of property U include monotone growth, monotone growth with fluctuation, fluctuation on R without growth, existence of time averages. We also study the connection between the times at which the perturbation and solution reach their running maximum, and the connection between the size of signed and unsigned running maxima of the solution and forcing term.
| Mű típusa: | Folyóirat |
|---|---|
| Egyéb cím: | Honoring the career of Tibor Krisztin on the occasion of his sixtieth birthday |
| Folyóirat/könyv/kiadvány címe: | Electronic journal of qualitative theory of differential equations : special edition |
| Dátum: | 2016 |
| Kötet: | 2 |
| Szám: | 63 |
| ISSN: | 1417-3875 |
| Oldalszám: | 44 |
| Nyelv: | angol |
| DOI: | 10.14232/ejqtde.2016.1.63 |
| Kulcsszavak: | Volterra-féle integrálegyenlet, Szummációs egyenlet |
| Megjegyzések: | Bibliogr.: p. 43-44. ; összefoglalás angol nyelven |
| Feltöltés dátuma: | 2021. nov. 11. 12:09 |
| Utolsó módosítás: | 2021. nov. 12. 09:42 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/73730 |
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