کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10728460 | 1038038 | 2005 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Families of equilibria and dynamics in a population kinetics model with cosymmetry
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک و نجوم (عمومی)
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
We consider a system of nonlinear parabolic equations with an additional property-the so-called cosymmetry-which implies the appearance of a nontrivial family of equilibria. By nontrivial we mean that the stability spectrum is not constant along the family of stationary states. The present system generalizes a special case of a distributed population model discussed in [Computing 16 (Suppl.) (2002) 67] from two to three species. The components of the system have the interpretation of interacting populations which inhabit a common domain. For this Letter we concentrate on the 1D case and apply a finite-difference scheme which respects the cosymmetry. We describe the scenario of instability for the state of rest and observe a rich palette of regimes depending on model parameters and on the initial state.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters A - Volume 338, Issue 1, 18 April 2005, Pages 51-59
Journal: Physics Letters A - Volume 338, Issue 1, 18 April 2005, Pages 51-59
نویسندگان
Kurt Frischmuth, Vyacheslav G. Tsybulin,