Functional Integration pp 97-130 | Cite as

# Functional Integration and Wave Propagation

Chapter

## Abstract

We present a pedagogical introduction, including several new results, to Kac’s path integral solution for the telegrapher equation, with emphases on: 1) wave propagation especially waveform (signal) restoration (reconstruction), designing and prediction; and 2) the underlying Poissonian random walk (essentially an asynchronous telegraph signal), especially the measure, and the connection to Brownian motion.

## Keywords

Wave Propagation Brownian Motion Random Walk Green Function Diffusion Equation
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## References

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© Springer Science+Business Media New York 1997