**
Yi Ni**

**
**

Professor of Mathematics

Department of Mathematics, 253-37

Caltech, 356 Linde Hall, (see the map)

1200 East California Boulevard

Pasadena, CA 91125

**Email:**
*yiniZZZ@caltechZZZ.edu*

(Please
**
REMOVE** the six Z's to get the correct
address.)

**Telephone: (**626) 395-4365

**
Research**

My research interests include three-dimensional topology and knot theory, specifically Heegaard Floer homology and its applications.

More information about my research can be found in my Curriculum Vitae. My research papers are available here.

**
Seminars**

I coorganize a
joint LA Topology
Seminar (LaToP) with
Francis
Bonahon
and Aaron
Lauda
of USC, and Ko Honda
and Sucharit Sarkar of UCLA.

I also organize a reading seminar on Heegaard Floer homology and
related topics.

I may attend the following seminars:

Geometry
and Topology Seminar at Caltech

Physics and
Geometry Seminar at Caltech

Geometry
and Topology Seminar at USC

Geometry
Seminar at UCLA

**
Teaching**

I teach 151b (Algebraic Topology) in Winter 2020.

**
Postdocs/Students**

Postdocs:

Zhongtao Wu (2010--2013)

Faramarz Vafaee (2014--2018)

You Qi (2017--2019)

Graduate students:

Liling Gu (Ph.D. 2014)

Nakul Dawra (Ph.D. 2015)

Caili Shen (left in 2016)

Siqi He (Ph.D. 2018)

Gahye Jeong (Ph.D. 2018)

Juhyun Kim (current)

SURF students:

Eileen Li (2012),

Tim Holland, Laura (Panavia) Shou (2013),

William Ballinger, Chloe Ching-Yun Hsu, Wyatt Mackey, Tynan Ochse (2016),

William Ballinger, Tynan Ochse (2017),

Daniel Rostovtsev (2018)

Zhengyuan Shang (2019)