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Bifurcation Chaos"],"published-print":{"date-parts":[[2016,11]]},"abstract":"<jats:p>We propose a kind of delayed diffusive intraguild predation model with Holling II functional response in this paper. By analyzing the eigenvalue spectrum, it is found that the stability or instability of equilibria can be induced by delay. By utilizing the local bifurcation theory of partial functional differential equations, Hopf bifurcation of the proposed system with time delay as bifurcation parameter is investigated. It reveals that the time delay has a destabilizing effect in the intraguild predation model dynamics and a phenomenon of Hopf bifurcation occurs when the delay increases through a certain threshold. Then we give the explicit formulas to determine the direction, stability of Hopf bifurcation by utilizing the normal form method and center manifold reduction for PFDEs. Numerical simulations are performed to illustrate our theoretical results and show that delay and diffusion can induce the system into chaos and even trigger the emergence of different types of spatial patterns, including spiral wave pattern and chaotic wave pattern, which are induced by Hopf instability.<\/jats:p>","DOI":"10.1142\/s0218127416501972","type":"journal-article","created":{"date-parts":[[2016,11,22]],"date-time":"2016-11-22T07:46:26Z","timestamp":1479800786000},"page":"1650197","source":"Crossref","is-referenced-by-count":14,"title":["Spatiotemporal Dynamics and Hopf Bifurcation in a Delayed Diffusive Intraguild Predation Model with Holling II Functional Response"],"prefix":"10.1142","volume":"26","author":[{"given":"Renji","family":"Han","sequence":"first","affiliation":[{"name":"School of Mathematics and Statistics, Central South University, Changsha 410083, P. R. 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