Group chase and escape
نویسندگان
چکیده
منابع مشابه
Group chase and escape
We describe here a new concept of one group chasing another, called ‘group chase and escape’, by presenting a simple model. We will show that even a simple model can demonstrate rather rich and complex behavior. In particular, there are cases where an optimal number of chasers exists for a given number of escapees (or targets) to minimize the cost of catching all targets. We have also found an ...
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We study group chase and escape with some fast chasers. In our model chasers look for the nearest target and move to one of the nearest sites in order to catch the target. On the other hand, targets try to escape from the nearest chaser. When a chaser catches a target, the target is removed from the system and the number of targets decreases. The lifetime of targets, at which all targets caught...
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The dynamical behaviour of the forced escape oscillator, which depends on the parameter values we considered, have been studied numerically using the techniques of phase portraits and Poincar'{e} sections. Also, we employed perturbation methods such as Lindstedt's method to obtain the frequency-amplitude relation of escape oscillator.
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The chase procedure is an indispensable tool for several database applications, where its termination guarantees decidability of these tasks. Most previous studies have focused on the skolem chase variant and its termination. It is known that the standard chase variant is more powerful in termination analysis provided a database is given. But all-instance termination analysis presents a challen...
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ژورنال
عنوان ژورنال: New Journal of Physics
سال: 2010
ISSN: 1367-2630
DOI: 10.1088/1367-2630/12/5/053013