Monday, February 19th, 2018

Student talk: Torrey Gallagher, noon on February 22 in Olin 268

Iterates, invariance, and chaos Thursday, January 25, 12:00 p.m. Room 268 in the Olin Science Building. Abstract: We will consider what happens when we repeatedly compose a given function with itself, focusing particularly on where this repeated composition (known as iteration) sends individual inputs.  Various phenomena will be discussed, including the notions of invariance and what some might call chaos.  

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Friday, February 2nd, 2018

Student talk: Glenn Young from Penn State, at noon on February 8

Evolutionary game theory: the mathematics of cooperation Thursday, February 8, 12:00 p.m. Room 268 in the Olin Science Building. Why do we (or any living organisms) cooperate? Cooperation, the act of expending one’s own energy or resources for the good of the group, is a necessary part of life, but is also exploitable by so-called “defectors” who choose not to help out yet still reap the benefits that cooperation yields. In fact, under fairly general assumptions, every rational individual will (theoretically) choose to defect, thereby extinguishing cooperation and dooming society. Of course, cooperation has not been extinguished and is in […]

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