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Nature 445, 371-372 (25 January 2007) | doi:10.1038/445371a; Published online 24 January 2007
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Mathematical physics: On the right scent
Dominique Martinez1
Abstract
Searching for the source of a smell is hampered by the absence of pervasive local cues that point the searcher in the right direction. A strategy based on maximal information could show the way.
Like many other insects, a female moth releases specific blends of odours — pheromones — to signal her presence to males. The pheromone plume is not a smooth, continuous cloud but consists of intermittent, wind-blown patches of odour separated by wide voids.
- Dominique Martinez is at the Laboratoire Lorrain de Recherche en Informatique et ses Applications (LORIA-CNRS), Campus Scientifique, 54506 Vandoeuvre-Lès-Nancy, France.
Email: dominique.martinez@loria.fr
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