It is proposed that the action potentials propagate as ion-acoustic waves in the axons rather than by the diffusion process according to the telegraph equation. A non-linear oscillator model is also proposed to account for the spike threshold and the signal coding of the action potentials.

谢定裕教授简介：谢定裕教授曾执教于美国California Institute of Technolog, Brown University, 及香港科技大学。现为清华大学周培源应用数学研究中心主任。

清华大学周培源应用数学研究中心

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