Chaos in time delay systems, an educational review

Publication date: Available online 16 August 2019Source: Physics ReportsAuthor(s): Hendrik Wernecke, Bulcsú Sándor, Claudius GrosAbstractThe time needed to exchange information in the physical world induces a delay term when the respective system is modeled by differential equations. Time delays are hence ubiquitous, being furthermore likely to induce instabilities and with it various kinds of chaotic phases. Which are then the possible types of time delays, induced chaotic states, and methods suitable to characterize the resulting dynamics? This review presents an overview of the field that includes an in-depth discussion of the most important results, of the standard numerical approaches and of several novel tests for identifying chaos. Special emphasis is placed on a structured representation that is straightforward to follow. Several educational examples are included in addition as entry points to the rapidly developing field of time delay systems.

Source: Physics Reports - August 17, 2019 Category: Physics Source Type: research