Directed intermittent search for hidden targets

Details Directed intermittent search for hidden targets Directed intermittent search for hidden targets

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009njph...11b3033b&link_type=abstract

New Journal of Physics, Volume 11, Issue 2, pp. 023033 (2009).

Physics

6

Scientific paper

We develop and analyze a stochastic model of directed intermittent search for a hidden target on a one-dimensional track. A particle injected at one end of the track randomly switches between a stationary search phase and a mobile, non-search phase that is biased in the anterograde direction. There is a finite possibility that the particle fails to find the target due to an absorbing boundary at the other end of the track or due to competition with other targets. Such a scenario is exemplified by the motor-driven transport of mRNA granules to synaptic targets along a dendrite. We first calculate the hitting probability and conditional mean first passage time (MFPT) for finding a single target. We show that an optimal search strategy does not exist, although for a fixed hitting probability, a unidirectional rather than a partially biased search strategy generates a smaller MFPT. We then extend our analysis to the case of multiple targets, and determine how the hitting probability and MFPT depend on the number of targets.

Affiliated with

Also associated with

No associations

Rating

Directed intermittent search for hidden targets does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Directed intermittent search for hidden targets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Directed intermittent search for hidden targets will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1244596