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 the Geometry and
Topology Seminar at Caltech.
I coorganize a joint LA Topology Seminar
(LaToP) with Aaron Lauda
and Sheel Ganatra
of USC, and Ko Honda and Sucharit
Sarkar of UCLA.
I often coorganize the Southern California
Topology Colloquium (SCTC).
The N+12th SCTC will be
held on Saturday, March 8th, 2025 at Pitzer College of the Claremont
Colleges.
I also organize a reading seminar on
Heegaard Floer homology and related topics.
Other local seminars:
Physics and
Geometry Seminar at Caltech
Topology
Seminar at USC
Topology
Seminar at UCLA
Postdocs/Students
Postdocs:
Zhongtao Wu (2010--2013)
Faramarz Vafaee (2014--2018)
You Qi (2017--2019)
Daren Chen (2023-- )
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 (Ph.D. 2021)
Alan Du (current)
Zhaojun Chen (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)
Ryan Leal (2024)