## Johanna N.Y. Franklin

Department of Mathematics

Room 306, Roosevelt Hall

Hofstra University

Hempstead, NY 11549-0114

USA

**E-mail:** johanna dot n dot franklin at-the-system hofstra full-stop edu

**Office phone:** +1 (516) 463-5739

**Office:** Roosevelt 315A

**Office hours for Spring 2025:**

- TBA

I'll be on Special Research Leave in Fall 2024. If you want to contact me, please e-mail me.

I am primarily interested in computability theory, algorithmic randomness, and computable structure theory. My mathematical genealogy can be found here.

I serve as an editor for the Archive for Mathematical Logic and as a Reviews editor for the Bulletin of Symbolic Logic.

If you have any questions about the Hofstra Mathematics Seminar, please contact me!### Professional information

- Curriculum vitae: .pdf

### Cauchy's Thesis*

*All reasonable f:IR -> IR are continuous.*

Proof:Let

Proof:

*f*,

*a*, and ε be given, and let δ be really, really small. This δ works!

*Courtesy of Leo Harrington.