Detecting Causality in Complex Ecosystems

Chih-hao Hsieh Associate Professor / Institute of Oceanography Scientist of National Taiwan University joining with an international team develops a new statistical method that can effectively investigate causal relationships in complex ecosystems. Associate Professor, Chih-hao Hsieh, from the Institute of Oceanography/Institute of Ecology and Evolutionary Biology, together with an international research team develops a method to examine causal relationships in nonlinear dynamic systems. This study, published in Science (10/26/2012), provides a potential solution to determine the causes driving changes in complex networks such as ecosystems. This method helps ecologists distinguish…

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Higgs transition from a magnetic Coulomb liquid to a ferromagnet in Yb2Ti2O7

Kao, Ying-Jer Associate Professor / Department of Physics Higgs transition from a magnetic Coulomb liquid to a ferromagnet in Yb2Ti2O7 Lieh-Jeng Chang , Shigeki Onoda, Yixi Su, Ying-Jer Kao , Ku-Ding Tsuei , Yukio Yasui, Kazuhisa Kakurai & Martin Richard Lees Nature Communications, 3, 992 (2012), (DOI: 10.1038/ncomms1989) Magnetic monopoles can be regarded as the magnetic version of a charged particle like electrons and protons. They carry an isolated magnetic pole, either the North or the South poles. Normally magnets come in the form of dipoles, with both North and…

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