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Events on Tuesday, October 25th, 2016

Chaos & Complex Systems Seminar
Footprints on Black Mountain: science and the subtlety of influence
Time: 12:05 pm - 1:00 pm
Place: 4274 Chamberlin (refreshments will be served)
Speaker: Marjorie Senechal, Mathematics and History of Science and Technology, Smith College
Abstract: When C. P. Snow decried the "two cultures" in 1959, he not only named a problem, he created one. For better or worse, the humanities and sciences have been cast through his prism ever since. But, in the immortal words of Poul Anderson, "I have yet to see a problem, no matter how complicated, that if you look at it in the right way, does not become still more complicated." In that spirit, we will look at the legendary, every-more-celebrated crucible of the arts, Black Mountain College, through the stories of several scientists who taught there. And through the eyes of someone (me) who grew up in a curiously similar milieu, in that era.<br>
Host: Clint Sprott
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Theory Seminar (High Energy/Cosmology)
Exploring El Dorado with intersecting D6-branes
Time: 3:30 pm
Place: 5280 Chamberlin
Speaker: Wieland Staessens, IFT, Madrid
Abstract: Toroidal orbifolds represent the most fruitful and best understood backgrounds for string model building. When it comes to type IIA intersecting D6-branes, the most promising toroidal orbifold is undoubtedly T6/Z2xZ6 with discrete torsion. In this talk, we will discuss how to obtain on this background three generational chiral models without unwanted exotic matter charged under the Standard Model gauge group and present global supersymmetric extensions of the Standard Model. A second part of the talk will discuss deformations of the singularities and their implications for the global models.
Host: Gary Shiu
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