My name is Florian Sprung. Many people also call me Ian. My work is in arithmetic geometry and number theory.

I am a tenure-track assistant professor at Arizona State University. My Erdős number is three.

You can reach me at ian.sprung (at) gmail.com.

Here is my teaching page.

**Writings:**

*with C*é*dric Dion, to appear in Abhandlungen aus dem mathematischen Seminar Hamburg*

*with Antonio Lei, to appear in Israel Journal of Mathematics*

*with Francesc Castella, Mirela Ciperiani, and Chris Skinner*

*submitted*

*published** in RIMS Bessatsu*

*with Ken Ono and Larry Rolen, published in Advances in Mathematics*

*published** in Research in Number Theory *

*published** in Algebra and Number Theory *

*published** in Journal für die reine und angewandte Mathematik (Crelle's Journal)*

*published** in RIMS Bessatsu *

*published **in the Journal of Number Theory*

(The video features Shinichi Kobayashi and Robert Pollack)

**Iwasawa Theory for Elliptic Curves**- in Japanese

*published in the Proceedings of the 6th Kinosaki Shinjin Seminar *

*Before getting into academia, I worked at the Kirakuen retirement home. *

*Here is an essay** by Kodaira on how to read. *