Department of

# Mathematics

Seminar Calendar
for events the day of Wednesday, February 10, 2016.

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events for the
events containing

Questions regarding events or the calendar should be directed to Tori Corkery.
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Wednesday, February 10, 2016

3:00 pm in 243 Altgeld,Wednesday, February 10, 2016

#### Nakajima's quiver varieties: moduli of representations, and framings

###### Joshua Wen (UIUC Math)

Abstract: This will follow Sections 2-3 of Victor Ginzburg's lectures on Nakajima quiver varieties: http://arxiv.org/pdf/0905.0686v2.pdf

4:00 pm in 147 Altgeld Hall,Wednesday, February 10, 2016

#### Why homology is awesome

###### Sarah Yeakel (UIUC)

Abstract: The original motivation for defining homology was as a tool to distinguish topological spaces. Now there are many types of homology theories used across geometry and topology, but they all share some common properties that make them particularly interesting. In this talk, we'll discuss some examples of homology computations, highlight some general characteristics to appreciate, and explain how this all should remind you a bit of freshman calculus.