Yulan Qing

I am a tenure-track Professor at Fudan University (SCMS). My research interests lie in low-dimensional topology and geometric group theory. My current research focuses on the geometric and dynamical aspects of finitely generated groups and their automorphism groups. In particular, the geometry of Out(Fn) and non-positively curved groups have been the center of my work.

Contact

Email: qingyulan@fudan.edu.cn, yulan.qing@gmail.com

Mailing adress:
Shanghai Center for Mathematical Sciences
No. 2005 Shonghu Road
Shanghai, China

Papers

Sublinearly Morse Boundary of CAT(0) admissible groups with Hoang Thanh Nguyen, submitted. [pdf]
Sublinearly Morse Boundary II: Proper geodesic spaces with Kasra Rafi and Giulio Tiozzo, submitted. [pdf]
Sublinearly Morse geodesics in CAT(0) spaces: lower divergence and hyperplane characterization with Devin Murray and Abdul Zalloum, to appear in Algebraic & Geometric Topology. [arxiv]
Topological properties of sublinearly Morse boundaries of CAT(0) groups with Abdul Zalloum, submitted. [pdf]
Sub-linearly Morse boundary I: CAT(0) spaces with Kasra Rafi and Giulio Tiozzo, to appear in Advances in Mathematics. [pdf]
Dilatations of right-angled Artin groups with Corey Bregman, submitted. [pdf]
Hyperbolic actions of big mapping class groups with Camille Horbez and Kasra Rafi, Journal of the Institute of Mathematics of Jussieu 1-32. [pdf]
Convexity of balls in Outer space with Kasra Rafi. Groups, Geometry, and Dynamics 15 (2021), no. 3, pp. 893–934 [pdf]
Quasi-geodesics in Out(Fn) and their shadows in sub-factors with Kasra Rafi, Journal of the London Mathematical Society 104 (1), 147-168. [pdf]
Excursions of generic geodesics in right-angled Artin groups and graph products with Giulio Tiozzo. International Mathematics Research Notices 2021 (22), 16910-16937 [pdf]
Uniform fellow traveling between surgery paths in the sphere graph with Matt Clay and Kasra Rafi. Algebraic & Geometric Topology 17(2017) 3751-3778 [pdf]
Actions of right-angled Coxeter groups on the Croke-Kleiner spaces , Geometriae Dedicata 185(1), 1-14, 2016 [pdf]
Geometry of right-angled Coxeter groups on the Croke-Kleiner spaces, Geometriae Dedicata 183(1), 113-122, 2016 [pdf]
Subspace intersection graphs with Joshua Laison. Discrete Math. 310, no. 23, 3413-3416, 2010 [journal]
Knight's Tours for cubes and boxes with John Watkins, Congressus Numerantium 181 (2006) 41-48 [pdf]

Current projects

Sulinbearly Morse directions in CAT(0) spaces and Teichmuller spaces, with Ilya Gekhtman and Kasra Rafi.
Topology of sublinearly Morse boundaries, Matthew Cordes and Hung C. Tran.

Theses

Boundary of CAT(0) groups with right-angles, PhD thesis, Tufts University, 2013.
Differential poset and dual graded graphs, Master's thesis, Massachussets Institute of Technology, 2008.

Slides and Posters

Sublinearly Morse boundary, University of Warwick Geometry and Topology Seminar (online), June 2020.
Convexity of balls in Outer space, Ventotene International Workshop III Moduli Spaces, Italy, September 2017.
Uniform fellow travelling between surgery paths in the sphere graphs, 51st Spring Topology and Dynamical Systems Conference Jersey City, March 2017.

Teaching

2020-2021: Linear Algebra, Fudan University
2019-2020: Calculus and Linear Algebra for Commerce, University of Toronto
2018 Fall: PMU199 First Year Seminars, University of Toronto
2017-2018: PMU199 First Year Seminars, University of Toronto
2016-2017: MAT223 Linear Algebra, University of Toronto
2015-2016: MAT137 Calculus, University of Toronto

Invited Talks

East Asia Geometric Topology Conference, January 18, 2022
International young seminar on bounded cohomology and simplicial volume, December 20, 2021
Beijing University, June 8, 2021
Fudan University, April 21, 2021
Ohio State University, February 11, 2021
University of Wisconsin Milwaukee, February 3, 2021
University of Bristol, January 12, 2021
Brandeis University, December 8, 2020
Columbia University(slides), October 16, 2020
University of Warwick, June 16, 2020
Shanghai Center for Mathematical Science, December 7, 2019
York University, November 4, 2019
Queen's University, August 9, 2019
Fudan University, July 26, 2019
East China Normal University, July 23, 2019
Huazhong University of Science and Technology, May 10, 2019
University of Illinois at Chicago, April 29, 2019
Tufts University, November 2018
University of Chicago, November 2018
Temple University, October 2018
University of Toronto, October 2018
University of Waterloo, September 2018
CUNY Graduate Center, September 2018
McMaster University, April 2018
University of Buffalo, February 2018
McGill University, January 2018
University of Toronto, November 2017
University of Michigan, October 2016
GANITA seminar at University of Toronto, August 2015
Haifa University, April 2014
Fairfield University, September 2013
Wellesley College, September 2013
Boston College, September 2013
Brandeis University, April 2013
CUNY Graduate Center, March 2013
Ohio State University, October 2012
HCSSiM prime-time lecture, July 2012
Eastern China Normal University, January 2011

Conferences and Seminars Organizing

Geometric Group Theory Graduate Summer School, Fudan University, August 15-19, 2022.(Registration is open!)
AIM Random Walks Workshop April 11-15, 2022.
A Week at Infinity Spring Workshop on Boundaries in Geometric Group Theory, March 28-April 1, 2022
Fields Medal Symposium 2018 in honor of Maryam Mirzakhani Fields Institute, November 5-9, 2018
Fudan Topology Seminar, current.
Geometric Group Theory in East Asia, 2020-2022.
Hyperbolic Lunch, 2019-2020.