## Dave Bayer [ˈbaɪ.jər]

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[![Dave Bayer](index/img/DaveBayer.jpg)](index/img/Roast.jpg)

### Professor of Mathematics, Barnard College

[Department of Mathematics](http://www.math.columbia.edu)  
[Barnard College](http://www.barnard.columbia.edu)  
[Columbia University](http://www.columbia.edu)  
2990 Broadway MC 4418  
New York, NY 10027-6940  

<http://www.math.columbia.edu/~bayer>

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### Email

[Dave Bayer's Email](http://www.math.columbia.edu/~bayer/Email)

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### Teaching

I am on sabbatical.

#### Past Courses

[Teaching 1997-2023](teaching.html)

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<span style="font-size:xx-small;">
[Vita](papers)
[Macaulay](Macaulay)
[Prize](http://www.math.columbia.edu/~bayer/PrizeExam)
[Bside](Bside)
[Bryce](BryceBayer/Bryce-Bayer-NYTimes-30Nov12.jpg)
[source](index/source.html)
[validate](http://redbot.org/?uri=http%3A%2F%2Fwww.math.columbia.edu%2F~bayer%2F)
</span>