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2014-04-15 - Kathleen Hoffman
 
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2014-04-15 - Kathleen Hoffman


Time/Place:

Tuesday, April 15, 2014
3:00pm
Room TBA
Tulane University (Uptown)

Refreshments will be served


Speaker:

Kathleen Hoffman


Title:

From Classic Results to Recent Advances: The Lotka-Volterra Model of the Predator-Prey Cycle


Abstract:

Lotka and Volterra profoundly impacted mathematical ecology with their development of the a set of differential equations that successfully predicted the rise and fall of  predator and prey populations. The classic data set of lynx and hare from the Hudson Bay trading company spanning over 100 years exhibits the behavior predicted the the Lotka-Volterra model. In this talk I will discuss two recent developments. The first describes the dynamics of the food chain  with an additional scavenger added to the classical predator-prey model. The second provides a mathematical description of the Hairston, Smith and Slobodkin conjecture in ecology that describes how top-down and bottom-up forces in a food chain effect the dynamics of the food chain.

Center for Computational Science, Stanley Thomas Hall 402, New Orleans, LA 70118 ccs@tulane.edu