This page holds an archive of my travel schedule from past years. Apologies for broken links. See here for my current travel schedule.
2022  
March 711  Interactions of gauge theory with contact and symplectic topology in dimensions 3 and 4, BIRS, Banff. (I'm participating virtually.) 
April 2529  Braids in lowdimensional topology workshop, ICERM, Brown. 
August 812  "Frontiers in Geometry and Topology" research conference, ICTP, Trieste, Italy. I'm also planning to participate virtually in the graduate summer school August 15. 
October 37 
At the American Institute of Mathematics,
San Jose, for a SQuaRE meeting. 
2021  
January 1115  Legendrians, cluster algebras, and mirror symmetry (virtual), IBS Center for Geometry and Physics, Korea. 
March 10  Australian Geometric Topology Webinar (virtual). 
April 1718  Special session on Legendrian knots and surfaces, AMS spring central sectional meeting (virtual). 
April 23  Algebraic Geometry and Differential Topology Seminar (virtual), Alfred Renyi Institute of Mathematics. 
2020  
June 812  Interactions of gauge theory with contact and symplectic topology in dimensions 3 and 4 (virtual), Banff. 
Fall  Knots, strings, symplectic geometry and dualities, Institut MittagLeffler. Seminar talk (virtual) at IML on October 22. 
October 27  Geometry
and Topology Seminar (virtual), Michigan State. 
2019  
April 22  Geometry and Topology Seminar, MIT. 
June 23July 2  In Sweden. June 2428: at Mathematics and Physics of Knots, Institut MittagLeffler. July 1: briefly attending String Math 2019, Uppsala. 
July 2931  Frontiers in Floer homology, Boston College. 
2018  
January 29February 3  Conference on Homological Mirror Symmetry, Miami. 
February 26March 1  Visiting MSRI, Berkeley. 
April 1012  Categorification in mathematical physics, Simons Center. 
June 2829  Symplectic geometry and its interactions with lowdimensional topology, Princeton. 
August 2024  Geometric methods in symplectic and contact topology (Yashafest), Asilomar, California. 
October 1  Joint GT/UGA Topology Seminar, Georgia Tech. 
October 11  Topology and Symplectic Geometry Seminar and Colloquium, Stony Brook. 
November 911  Miniworkshop on Legendrian submanifolds, UQAM, Montreal. 
2017  
February 17  Colloquium, Rutgers. 
April 27  Colloquium, UCLA. 
May 30June 2  Georgia International Topology Conference, University of Georgia. 
June 2630  American Institute of Mathematics, San Jose. 
August 711  Holomorphic curves and symplectic topology, Institut MittagLeffler, Sweden. 
August 1418  Uppsala summer geometry school: Legendrian contact homology and a variety of augmentations, Krusenberg Herrgĺrd, Sweden. 
October 27  Symplectic
geometry, gauge theory, and categorification seminar, Columbia. 
December 11  Princeton/IAS
Symplectic Geometry Seminar,
IAS. 
2016  
January 1112  University of Toronto; colloquium January 11. 
January 2122  UCSD; colloquium January 21. 
February 126  Institute for Advanced Study, Princeton, to visit the Geometric Structures on 3manifolds program. Workshop on Augmentations and Legendrians at the IAS February 1112. 
February 19  Symplectic geometry, gauge theory, and categorification seminar, Columbia. 
February 25  Topology seminar, Princeton. 
February 26  PATCH seminar, Temple. 
March 2125  Interactions of Gauge Theory with Contact and Symplectic Topology in Dimensions 3 and 4 workshop, Banff International Research Station. 
April 1819  University of Oregon; Colloquium April 18, Topology/Geometry Seminar April 19. 
April 29May 1  Knots in the Triangle, NC State. 
May 2529  Georgia Topology Conference, University of Georgia. 
August 2226  Hamilton Geometry & Topology Workshop, Hamilton Mathematics Institute, Dublin. 
November 711  Homological mirror symmetry: methods and structures workshop, Institute for Advanced Study. 
November 1213  AMS Southeastern Sectional Meeting, NC State. 
2015  
January 1823  SwissMAP Geometry & Topology Conference, Engelberg, Switzerland. 
March 78  AMS Eastern Sectional Meeting, Georgetown. 
April 1819  AMS Western Sectional Meeting, UNLV. 
June 13  Physics and mathematics of knot homologies, Simons Center, Stony Brook. 
June 812  Recent challenges in contact geometry, CIRM, Luminy, France. 
June 2226  American Institute of Mathematics, San Jose. 
September 1326 and October 26November 6 
Symplectic Geometry and Topology, Institut MittagLeffler, Sweden (including the conference in Uppsala September 2125). 
November 30December 1  University of Virginia; colloquium November 30. 
December 24  Rice; colloquium December 3. 
2014  
April 11  Geometry and Topology Seminar, Buffalo. 
April 2125  American Institute of Mathematics, Palo Alto. 
May 2  Symplectic Geometry, Gauge Theory, and Categorification Seminar, Columbia. 
May 7  Colloquium, Northwestern. 
May 1923  Visiting Uppsala University, Sweden; Geometry and Physics Seminar May 22. 
June 1620  Quantum Curves and Quantum Knot Invariants, Banff. 
August 47  Combinatorial Link Homology Theories, Braids, and Contact Geometry, ICERM, Brown. 
August 1115  International Congress of Mathematicians, Seoul. 
December 913  Visiting Princeton; speaking in the Department Colloquium on December 10 and the Topology Seminar on December 11. 
2013  
March 2529  Interactions of gauge theory with contact and symplectic geometry in dimensions 3 and 4, Banff International Research Station. 
March 30  Southern California Topology Colloquium, Caltech. 
May 2024  Low dimensional topology, Simons Center, Stony Brook. 
June 317  Visiting the Mathematical
Sciences Institute, Australian National University, Canberra. 
July 812  Lowdimensional topology after Floer, CRM, Montréal. 
October 1213  AMS Eastern Sectional Meeting, Temple University. 
November 68  Visiting Microsoft Research Station Q and UC Santa Barbara. Speaking at UCSB: Colloquium November 7, Geometry, Topology, and Physics Seminar November 8. 
November 18  Geometry and Topology Seminar, MIT. 
2012  
May 2125  Contact topology in higher dimensions, American Institute of Mathematics, Palo Alto. 
July 1020  Contact and Symplectic Topology Summer School and Conference, Rényi Institute, Budapest. 
August 611  Conference on Holomorphic Curves and Low Dimensional Topology, Stanford. 
August 1316  Summer Workshop in Mathematics and Physics, Simons Center, Stony Brook. 
October 10  Cambridge, MA. 
October 1314  AMS Southeastern Section Meeting, Tulane. 
October 1519  Symplectic and Contact Geometry and Connections to LowDimensional Topology and Graduate Workshop on Symplectic and Contact Geometry, Simons Center, Stony Brook. 
October 31  Colloquium, USC. 
2011  
February 7  Geometry and Topology Seminar, MIT. 
March 4  Geometric Topology Seminar, Columbia. 
March 2327  Interactions between contact & symplectic topology and gauge theory in dimensions 3 and 4, Banff International Research Station. 
April 7  Philadelphia Area Topology (Contact/Hyperbolic) Seminar, Haverford. 
May 68  Cambridge, MA. 
May 9  Simons Center for Geometry and Physics, Stony Brook. 
June 1418  Conference on contact and symplectic topology, Nantes. 
September 2425  Special session on LowDimensional Topology and Geometry, AMS Southeastern Sectional Meeting, Wake Forest. 
December 911  Tech Topology Conference, Georgia Tech. 
2010  
January 2529  Introductory Workshop: Homology Theories of Knots and Links, MSRI. 
JanuaryMay  I was on leave during the spring semester and split time
between Duke and MSRI, the latter for
the concurrent programs: Symplectic
and Contact Geometry and Topology and Homology
Theories of Knots and Links.
Here is a schedule of my travel plans:

May 2428  Knots, Contact Geometry and Floer Homology, University of Tokyo. 
June 2125  Categorification and Low Dimensional Topology, Stony Brook University. 
July 1518  O Gosto pela Matemática  Uma Década de Talentos, Lisbon. 
July 2023  Uppsala, Sweden. 
October 910  Special session on topology and symplectic geometry, AMS Western Section Meeting, UCLA. 
November 11  Topology seminar, Princeton. 
2009  
January 67  Joint Mathematics Meetings, Washington, DC. 
March 1415  Illinois/Indiana Symplectic Geometry Conference, UIUC. 
March 2327  Interactions of geometry and topology in dimensions 3 and 4 workshop, Banff International Research Station. 
April 45  Special session on low dimensional geometry and topology (coorganizer), AMS Southeastern Sectional Meeting, NC State University. 
May 1115  ETH Zürich. 
May 2529  Georgia International Topology Conference, University of Georgia. 
June 2226  Workshop on mirror symmetry, symplectic geometry, and related topics, MIT. 
July 2731  Uppsala, Sweden. 
August 1021  MSRI: the second week of the Symplectic and Contact Geometry and Topology Summer Graduate Workshop, followed by the Introductory Workshop for the 20092010 Symplectic and Contact Geometry and Topology program. 
November 913  Cyclic Homology and Symplectic Topology workshop (coorganizer), AIM. 
November 1620  Algebraic Structures in the Theory of Holomorphic Curves workshop (coorganizer), MSRI. (I will only be able to attend the first two days.) 
Back to Travel schedule or Home