2025
February 17	UGA/GaTech Topology Seminar, University of Georgia.
April 7	Geometry-Topology Seminar, University of Maryland.
April 28-May 2	Gauge Theory and Floer Homology in Low Dimensional Topology, Simons Center, Stony Brook.
June 9-13	CBMS Summer School on Legendrian Links and the Microlocal Theory of Sheaves, Georgia Tech.
October 24	Colloquium, UNC.
2024
February 12	Geometry Topology Seminar, Georgia Tech.
March 23-24	AMS Southeastern Sectional Meeting, Florida State.
March 25	IAS/Princeton Symplectic Geometry Seminar, IAS.
May 24	Symplectic Zoominar, online.
October 31	Differential Geometry and Symplectic Geometry Seminar and Colloquium (two talks), University of Minnesota.
2023
September 25-29	Symplectic Geometry, Low Dimensional Topology, and Quantum Fields workshop, Oxford.
November 13-17	American Institute of Mathematics, Pasadena.
2022
March 7-11	Interactions of gauge theory with contact and symplectic topology in dimensions 3 and 4, BIRS, Banff. (I'm participating virtually.)
April 25-29	Braids in low-dimensional topology workshop, ICERM, Brown.
August 8-12	"Frontiers in Geometry and Topology" research conference, ICTP, Trieste, Italy. I'm also planning to participate virtually in the graduate summer school August 1-5.
October 3-7	At the American Institute of Mathematics, San Jose, for a SQuaRE meeting.
2021
January 11-15	Legendrians, cluster algebras, and mirror symmetry (virtual), IBS Center for Geometry and Physics, Korea.
March 10	Australian Geometric Topology Webinar (virtual).
April 17-18	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 8-12	Interactions of gauge theory with contact and symplectic topology in dimensions 3 and 4 (virtual), Banff.
Fall	Knots, strings, symplectic geometry and dualities, Institut Mittag-Leffler. 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 23-July 2	In Sweden. June 24-28: at Mathematics and Physics of Knots, Institut Mittag-Leffler. July 1: briefly attending String Math 2019, Uppsala.
July 29-31	Frontiers in Floer homology, Boston College.
2018
January 29-February 3	Conference on Homological Mirror Symmetry, Miami.
February 26-March 1	Visiting MSRI, Berkeley.
April 10-12	Categorification in mathematical physics, Simons Center.
June 28-29	Symplectic geometry and its interactions with low-dimensional topology, Princeton.
August 20-24	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 9-11	Mini-workshop on Legendrian submanifolds, UQAM, Montreal.
2017
February 17	Colloquium, Rutgers.
April 27	Colloquium, UCLA.
May 30-June 2	Georgia International Topology Conference, University of Georgia.
June 26-30	American Institute of Mathematics, San Jose.
August 7-11	Holomorphic curves and symplectic topology, Institut Mittag-Leffler, Sweden.
August 14-18	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 11-12	University of Toronto; colloquium January 11.
January 21-22	UCSD; colloquium January 21.
February 1-26	Institute for Advanced Study, Princeton, to visit the Geometric Structures on 3-manifolds program. Workshop on Augmentations and Legendrians at the IAS February 11-12.
February 19	Symplectic geometry, gauge theory, and categorification seminar, Columbia.
February 25	Topology seminar, Princeton.
February 26	PATCH seminar, Temple.
March 21-25	Interactions of Gauge Theory with Contact and Symplectic Topology in Dimensions 3 and 4 workshop, Banff International Research Station.
April 18-19	University of Oregon; Colloquium April 18, Topology/Geometry Seminar April 19.
April 29-May 1	Knots in the Triangle, NC State.
May 25-29	Georgia Topology Conference, University of Georgia.
August 22-26	Hamilton Geometry & Topology Workshop, Hamilton Mathematics Institute, Dublin.
November 7-11	Homological mirror symmetry: methods and structures workshop, Institute for Advanced Study.
November 12-13	AMS Southeastern Sectional Meeting, NC State.
2015
January 18-23	SwissMAP Geometry & Topology Conference, Engelberg, Switzerland.
March 7-8	AMS Eastern Sectional Meeting, Georgetown.
April 18-19	AMS Western Sectional Meeting, UNLV.
June 1-3	Physics and mathematics of knot homologies, Simons Center, Stony Brook.
June 8-12	Recent challenges in contact geometry, CIRM, Luminy, France.
June 22-26	American Institute of Mathematics, San Jose.
September 13-26 and October 26-November 6	Symplectic Geometry and Topology, Institut Mittag-Leffler, Sweden (including the conference in Uppsala September 21-25).
November 30-December 1	University of Virginia; colloquium November 30.
December 2-4	Rice; colloquium December 3.
2014
April 11	Geometry and Topology Seminar, Buffalo.
April 21-25	American Institute of Mathematics, Palo Alto.
May 2	Symplectic Geometry, Gauge Theory, and Categorification Seminar, Columbia.
May 7	Colloquium, Northwestern.
May 19-23	Visiting Uppsala University, Sweden; Geometry and Physics Seminar May 22.
June 16-20	Quantum Curves and Quantum Knot Invariants, Banff.
August 4-7	Combinatorial Link Homology Theories, Braids, and Contact Geometry, ICERM, Brown.
August 11-15	International Congress of Mathematicians, Seoul.
December 9-13	Visiting Princeton; speaking in the Department Colloquium on December 10 and the Topology Seminar on December 11.
2013
March 25-29	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 20-24	Low dimensional topology, Simons Center, Stony Brook.
June 3-17	Visiting the Mathematical Sciences Institute, Australian National University, Canberra.
July 8-12	Low-dimensional topology after Floer, CRM, Montréal.
October 12-13	AMS Eastern Sectional Meeting, Temple University.
November 6-8	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 21-25	Contact topology in higher dimensions, American Institute of Mathematics, Palo Alto.
July 10-20	Contact and Symplectic Topology Summer School and Conference, Rényi Institute, Budapest.
August 6-11	Conference on Holomorphic Curves and Low Dimensional Topology, Stanford.
August 13-16	Summer Workshop in Mathematics and Physics, Simons Center, Stony Brook.
October 10	Cambridge, MA.
October 13-14	AMS Southeastern Section Meeting, Tulane.
October 15-19	Symplectic and Contact Geometry and Connections to Low-Dimensional 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 23-27	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 6-8	Cambridge, MA.
May 9	Simons Center for Geometry and Physics, Stony Brook.
June 14-18	Conference on contact and symplectic topology, Nantes.
September 24-25	Special session on Low-Dimensional Topology and Geometry, AMS Southeastern Sectional Meeting, Wake Forest.
December 9-11	Tech Topology Conference, Georgia Tech.
2010
January 25-29	Introductory Workshop: Homology Theories of Knots and Links, MSRI.
January-May	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: 1/17-1/29: MSRI 1/29-2/9: Duke 2/9-2/24: MSRI 2/24-3/4: Duke 3/4-3/27: MSRI 3/27-4/11: Duke 4/12-4/23: MSRI 4/24-5/6: Duke 5/7-5/22: MSRI
May 24-28	Knots, Contact Geometry and Floer Homology, University of Tokyo.
June 21-25	Categorification and Low Dimensional Topology, Stony Brook University.
July 15-18	O Gosto pela Matemática - Uma Década de Talentos, Lisbon.
July 20-23	Uppsala, Sweden.
October 9-10	Special session on topology and symplectic geometry, AMS Western Section Meeting, UCLA.
November 11	Topology seminar, Princeton.
2009
January 6-7	Joint Mathematics Meetings, Washington, DC.
March 14-15	Illinois/Indiana Symplectic Geometry Conference, UIUC.
March 23-27	Interactions of geometry and topology in dimensions 3 and 4 workshop, Banff International Research Station.
April 4-5	Special session on low dimensional geometry and topology (co-organizer), AMS Southeastern Sectional Meeting, NC State University.
May 11-15	ETH Zürich.
May 25-29	Georgia International Topology Conference, University of Georgia.
June 22-26	Workshop on mirror symmetry, symplectic geometry, and related topics, MIT.
July 27-31	Uppsala, Sweden.
August 10-21	MSRI: the second week of the Symplectic and Contact Geometry and Topology Summer Graduate Workshop, followed by the Introductory Workshop for the 2009-2010 Symplectic and Contact Geometry and Topology program.
November 9-13	Cyclic Homology and Symplectic Topology workshop (co-organizer), AIM.
November 16-20	Algebraic Structures in the Theory of Holomorphic Curves workshop (co-organizer), MSRI. (I will only be able to attend the first two days.)