Author | Ricciardi, Luigi M. author |
---|---|

Title | Diffusion Processes and Related Topics in Biology [electronic resource] / by Luigi M. Ricciardi |

Imprint | Berlin, Heidelberg : Springer Berlin Heidelberg, 1977 |

Connect to | http://dx.doi.org/10.1007/978-3-642-93059-1 |

Descript | VI, 202 p. online resource |

SUMMARY

These notes are based on a one-quarter course given at the Department of Biophysics and Theoretical Biology of the University of Chicago in 1916. The course was directed to graduate students in the Division of Biological Sciences with interests in population biology and neurobiology. Only a slight acquaintance with probability and differential equations is required of the reader. Exercises are interwoven with the text to encourage the reader to play a more active role and thus facilitate his digestion of the material. One aim of these notes is to provide a heuristic approach, using as little mathematics as possible, to certain aspects of the theory of stochastic processes that are being increasingly employed in some of the population biolยญ ogy and neurobiology literature. While the subject may be classical, the novยญ elty here lies in the approach and point of view, particularly in the applicaยญ tions such as the approach to the neuronal firing problem and its related difยญ fusion approximations. It is a pleasure to thank Professors Richard C. Lewontin and Arnold J.F. Siegert for their interest and support, and Mrs. Angell Pasley for her excellent and careful typing. I . PRELIMINARIES 1. Terminology and Examples Consider an experiment specified by: a) the experiment's outcomes, ̃, forming the space S; b) certain subsets of S (called events) and by the probabilities of these events

CONTENT

I. Preliminaries -- 1. Terminology and Examples -- 2. Markov Processes and the Smolukowski Equation -- 3. Auxiliary Definitions -- II. Diffusion Processes -- 1. Kinetic Equations -- 2. Diffusion Equations -- 3. The Stationary Case -- 4. The Wiener Process -- III. The First Passage Time Problem -- 1. Schrรถdinger Equation -- 2. Siegertโ{128}{153}s Method -- 3. Siegertโ{128}{153}s Moment Relation -- IV. Discrete Models -- 1. Random Walks -- 2. Other Limits of Random Walks -- 3. Extinction and Absorption -- 4. Growth and Extinction in a Random Environment -- 5. Fellerโ{128}{153}s Diffusion Equation -- 6. Diffusion Models for Neuronal Activity -- V. Continuous Models -- 1. Stochastic Differential Equations -- 2. The White Noise -- 3. Special Cases and Examples -- 4. Transformations to the Wiener Process -- 5. Transformations to the Feller Process -- Author Index

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