Fun week coming up: Gunnar Carlsson of Stanford will be giving this semester’s Distinguished Lecture Series at Wisconsin. The talks:

Monday, March 8 and Tuesday, March 9, 4pm, Van Vleck B239:

**“Topology and Data”**

There is a growing need for mathematical methodologies which can provide understanding of high dimensional data sets. These methods also need certain kinds of robustness, so that they should not be too sensitive to changes of scale and to noise, and they should be applicable to various kinds of unstructured data. In these talks we will discuss methods for adapting idealized notions coming from algebraic topology and homotopy theory to the world of point clouds, and show numerous examples of applications of these methods.

Wednesday, March 10, 1:30pm, 1209 Engineering Hall:

**“Functoriality, Generalized Persistence, And Structural Signatures”**

See the computational topology at Stanford home page for a good overview of the topics of Gunnar’s lectures. Nigel Boston, Rob Nowak, and I have been running a learning seminar on the topic: I’ll try to post again this week about some data that Laura Balzano and I messed around with with persistent homology in mind, and what we learned thereby.

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I for one will be waiting impatiently.

Damn! I’m still recovering from a gut bomb gastroenteritis over the weekend, and don’t think I can make it in today. Based on the Bulletin article, a wide variety of people should be interested in this. I would be shocked if the lecture room is not full.

No mom, chicken soup is no substitute for math … :-(