Diffusion Processes and Related Topics in Biology

1. Front Matter

   Pages i-v

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2. Preliminaries

   • Luigi M. Ricciardi

   Pages 1-30

3. Diffusion Processes

   • Luigi M. Ricciardi

   Pages 31-60

4. The First Passage Time Problem

   • Luigi M. Ricciardi

   Pages 61-72

5. Discrete Models

   • Luigi M. Ricciardi

   Pages 73-147

6. Continuous Models

   • Luigi M. Ricciardi

   Pages 148-188

7. Back Matter

   Pages 189-201

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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 biol­ ogy and neurobiology literature. While the subject may be classical, the nov­ elty here lies in the approach and point of view, particularly in the applica­ tions such as the approach to the neuronal firing problem and its related dif­ 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.

• Diffusion
• Diffusionsprozess (Statistik)
• Neurobiologie
• Population
• Sage
• biology
• equation
• mathematics

• Istituto di Scienze Dell’lnformazione, Universitá di Torino, Torino, Italy

  Luigi M. Ricciardi

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