1 2021-11-22

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1.1 01:01

1.2 UGA Topology Seminar, Irving Dai, Equivariant Concordance and Knot Floer Homology

1.3 19:57

A nice modern intro to homotopy theory: https://www.uni-regensburg.de/Fakultaeten/nat_Fak_I/Bunke/intro-homoto.pdf

Quotients are colimits:

Geometric realization as a \begin{align*}\[coend\end{align*} ]

Homotopy fibers:

Homotopy cofiber:

Spectra as a presentable \begin{align*}\[infty-category\end{align*} ]

2 2021-11-10

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2.1 16:20

Hector Pasten, UGA NT seminar.

3 2021-11-09

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3.1 00:11

3.2 15:51

4 2021-11-08

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4.1 15:05

Hannah Turner, GT: Branched Cyclic Covers and L-Spaces

5 2021-11-05

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5.1 01:31

Differential forms on (derived) \begin{align*}\[stacks\end{align*} ]:

What is non-commutative geometry?

Category of singularities:

Bloch’s conductor conjecture: