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Title:
Complete noncompact metrics of special and exceptional holonomy: the first 40 years
Speaker:
Abstract:
I will attempt to give a (biased) overview of recent progress on the construction of complete noncompact metrics of exceptional holonomy. Along the way I will describe some of the most important historical developments since the field began (in the late 1970s). Throughout its history, the field has seen a fruitful back-and-forth between physicists and mathematicians, some of which I will describe. I will try to explain some of the similarities and differences between the more familiar special holonomy metrics — hyperkaehler and Calabi—Yau metrics— and the exceptional cases G_2 and Spin_7 holonomy, and why the latter are much more difficult to construct.
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