李友林Youlin Li
副教授Associate Professor

办公室??Office：
6 号楼 618
办公接待时间??Office Hour：
Tuesday 10:00---11:00 AM
办公室电话??Office Phone：
**
E-mail：
liyoulin at sjtu.edu.cn
教育背景??Education：
博士，2008，北京大学
Ph.D., 2008, Peking University

研究兴趣??Research Interests：
低维拓扑，切触几何
Low dimensional topology, contact geometry

教育背景/经历　Education
博士， 北京大学， 2008

工作经历　Work Experience
2014.01- Associate Professor,Shanghai Jiao Tong University;
2008.08-2013.12, Lecturer, Shanghai Jiao Tong University.
教学
2020年秋，代数拓扑（数学系研究生）；拓扑学基础（数学科学学院18级）；矩阵理论（研究生20级）；
2019年秋，代数拓扑（数学系研究生）；矩阵理论（研究生19级）；
2019年春，拓扑学基础（数学科学学院16，17级，致远学院16级）；
2018年秋，代数拓扑（数学系研究生）；矩阵理论（研究生18级）；
2018年春，拓扑学基础（数学科学学院、致远学院15级）；
2017年秋，代数拓扑（数学系研究生）；矩阵理论（研究生17级）；
2016年秋，代数拓扑（数学系研究生）；矩阵理论（研究生16级）；
2015年秋，矩阵理论（研究生15级）；
2015年春，代数拓扑（数学系本科生研究生）；
2014年秋，矩阵理论（研究生14级），微分流形（数学系11级）；
2014年春，代数拓扑（数学系本科生研究生）， 高等数学（留学生）；
2013年秋，拓扑学（致远学院10级理科班）；
2012年春，拓扑学基础（数学系09级）；
2011年秋，拓扑学（致远学院08级理科班）， 微分几何（二专08级，11-12月）；
2011年春，拓扑学基础（数学系08级）；
2010年秋，微分几何（二专07级）；
2010年春，拓扑学基础（数学系07级），代数拓扑（数学系06级，数学系09级研究生）；
2009年秋，微分几何（二专06级）；
2009年春，拓扑学基础（数学系06级）；
2008年秋，微分几何（二专05级）。

Teaching
Fall 2020: Algebraic topology; Basic topology; Matrix theory
Fall 2019: Algebraic topology; Matrix theory
Spring 2019: Basic topology
Fall 2018: Algebraic topology; Matrix theory
Spring 2018: Basic topology
Fall 2017: Algebraic topology; Matrix theory
Fall 2016: Algebraic topology; Matrix theory
Fall 2015: Matrix theory
Spring 2015: Algebraic topology
Fall 2014: Differentia manifolds; Matrix theory
Spring 2014: Algebraic topology; Calculus
Fall 2013: Basic topology
Spring 2012: Basic topology
Fall 2011: Basic topology; Differential geometry
Spring 2011: Basic topology
Fall 2010: Differential geometry
Spring 2010: Algebraic topology; Basic topology
Fall 2009: Differential geometry
Spring 2009: Basic topology
Fall 2008: Differential geometry

Research
Preprint:
(1) (with Austin Christian) Some applications of Menke‘s JSJ decomposition for symplectic fillings, arXiv: 2006.16825.
(2) (with Fan Ding, Zhongtao Wu) Contact (+1)-surgeries on rational homology 3-spheres, arXiv: 2002.08572.
(3) (with Motoo Tange) Smoothly non-isotopic Lagrangian disk fillings of Legendrian knots, arXiv: 1903.04731.

Publication:
(1) (with Fan Ding, Zhongtao Wu) Contact (+1)-surgeries along Legendrian two-component links, Quantum Topology, 11(2020), no.2, 295-321.
(2) (with Zhongtao Wu) A bound for rational Thurston-Bennequin invariants, Geometriae Dedicata, 200(2019), no.1, 371-383.
(3) (withYajing Liu)Hyperbolic 3-manifolds admitting no fillable contact structures, Proceedings of the American Mathematical Society, 147(2019), no.1, 351-360.
(4) (with Fan Ding) Strong symplectic fillability of contact torus bundles,Geometriae Dedicata, 195(2018), no.1, 403-415.
(5) (with Burak Ozbagci) Fillings of unit cotangent bundles of nonorientablesurfaces, Bulletin of the London Mathematical Society, 50(2018), no.1, 7-16.
(6)(with Amey Kaloti)Stein fillings of contact 3-manifolds obtained as Legendrian surgeries, Journal of Symplectic Geometry, 14(2016), no.1,119-147.
(7) (with Feifei Chen, Fan Ding) Legendrian torus knots in S^1\times S^2, Journal of Knot Theory and Its Ramifications,24(2015), no.12, **, 14 pp.
(8) (with John Etnyre)The arc complex and contact geometry: non-destabilizable planar open book decompositions of the tight contact 3-sphere, International Mathematics Research Notices, 2015, no.5, 1401-1420.
(9) (with Jiming Ma)(Z_2)^3-colorings and right angled hyperbolic 3-manifolds,Pacific Journal of Mathematics, (263)2013, no.2, 419-434.
(10) (with Fan Ding, Qiang Zhang) Tight contact structures on some bounded Seifert manifolds with minimal convex boundary,Acta Mathematica Hungarica, 139(2013), no.1-2, 64-84.
(11) (with Jiming Ma)Hyperbolicity of the genus two Hatcher-Thurston complex,Mathematische Zeitschrift, 273(2013), no.1-2, 363-378.
(12)(with Jiajun Wang)The support genera of certain Legendrian knots,Journal of Knot Theory and Its Ramifications,21(2012), no.11, **, 8 pp.
(13)1-dominations between Montesinos knots with at least 6 rational tangles,Topology and its Applications,157(2010), no.6, 1033-1043.
(14)On the cohopficity of the direct product of cohopfian groups,Communications in Algebra,35(2007), no.10, 3226-3235.




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