Journal
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS
Volume 224, Issue 17-18, Pages 3279-3293Publisher
SPRINGER HEIDELBERG
DOI: 10.1140/epjst/e2015-50235-9
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Funding
- National Science Foundation [CMMI-1342176]
- Institute for Critical Technology and Applied Science at Virginia Tech
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1342176] Funding Source: National Science Foundation
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In this paper, we present a transfer entropy analysis applied to the 3D paths of bats flying in pairs. The 3D trajectories are one-dimensionally characterized as inverse curvature time series to allow for entropy calculations. In addition to a traditional formulation of information flow between pair members, a path coupling hypothesis is pursued with time-delay modifications implemented in such a way as to not change the Markovianity of the process. With this modification, we find trends that suggest a leader-follower interaction between the front bat and the rear bat, although statistical significance is not reached due in part to the small number of pairs considered.
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