Presentations

Upcoming Events

• Combinatorics around the q-Onsager algebra (a conference in honor of Paul Terwilliger's 70th birthday), Kranjska Gora, Slovenia, June 23-28, 2025

2024

• AMS 2024 Spring Central Sectional Meeting: Special Session on the Algebras and Special Functions around Association Schemes, University of Wisconsin-Milwaukee, WI, April 2024 

2023

• AMS 2023 Fall Southeastern Sectional Meeting: Special Session on New Directions in Noncommutative Algebras and Representation Theory, University of South Alabama, Mobil, AL, October 2023

• 10th Slovenian Conference on Graph Theory, Mini-Symposium: Association Schemes and Related Algebras, Kranjska Gora, Slovenia, 18 - 24 June 2023.

• UF Combinatorics Seminar, University of Florida, Gainsville, FL, April 2023

2022

• UW Combinatorics Seminar (Zoom), University of Wisconsin-Madison, WI, October 2022. 

• Workshop on Graph Theory, Algebraic Combinatorics and Mathematical Physics, Thematic Semester on Symmetries: Algebras and Physics, Centre de Recherches Mathematiques (CRM), Montreal, Canada, July 25 - August 19, 2022 (Mini-Course Lecturer), Invited

(Lecture 1);  (Lecture 2);  (Lecture 3);  (Lecture 4);  (Lecture 5). 

• Combinatorics around the q-Onsager algebra (a satellite conference of the 8th European Congress of Mathematics), celebrating the 65th birthday of Paul Terwilliger, Kranjska Gora, Slovenia, 28 June - 3 June, 2022, Invited (Cancelled due to COVID-19)

2021

• BK21 Colloquium Talk, Department of Mathematics, Kyungpook National University, Korea, June 2021

2020

• 2020 Joint Mathematics Meetings: Special Session on Aspects and Applications of Algebraic Combinatorics, Denver, CO, January, 2020

2019

• AMS Fall 2019 Central Sectional Meeting: Special Session on Special Functions and Orthogonal Polynomials, The University of Wisconsin, Madison, WI, September, 2019

• AMS Spring 2019 Central and Western Joint Sectional Meeting: Contributed Paper Session on Lie Theory, Group Theory, and Combinatorics, University of Hawaii at Manoa, Honolulu, HI, March, 2019

2018

• AMS Spring 2018 Central Sectional Meeting: Special Session on Algebraic Combinatorics: Association Schemes, Finite Geometry, and Related Topics, The Ohio State University, Columbus, OH, March 2018

• Math & Stat Club Talk, University of North Florida, Jacksonville, FL, February 2018

• 2018 Joint Mathematics Meetings: AMS Contributed Paper Session on Orthogonal Polynomials and Function Theory, San Diego, CA, January 2018 

2017

• FPSAC '17: 29th International Conference on Formal Power Series and Algebraic Combinatorics, Poster Session. Queen Marry University of London, London, UK, July 2017

• Undergraduate Department Seminar, Canisius College, Buffalo, NY, April 2017

• UW Combinatorics Seminar, University of Wisconsin, Madison, WI, May 2017

2016

• UW Combinatorics Seminar: University of Wisconsin, Madison, WI, November 28, 2016

• AMS Fall 2016 Western Sectional Meeting: Special Session on Algebraic Combinatorics, University of Denver, Denver, CO, October 2016

• Positivity in Algebraic Combinatorics, KIAS, Seoul, Korea, June 2016 

• UW Combinatorics Seminar, University of Wisconsin, Madison, WI, April 2016

• Hiroshima Combinatorics Seminar, Hiroshima Institute of Technology, Hiroshima, March 2016 

•  JSPS Science Dialogue Program (Mathematical Outreach), Tsuru High School, Yamanashi, Japan, February 2016

Title of lecture: Introduction to Distance-Regular Graphs.

• The 14th Korea-Japan Workshop on Algebra and Combinatorics, Pusan National University, Pusan, Korea, January 2016

• 2016 Joint Mathematics Meetings: AMS Contributed Paper Session on Ordinary Differential Equations and Special Functions II, Seattle, WA, January 2016

2015

• 10th KIAS Combinatorics Workshop, KIAS, Seoul, Korea, December 2015

• Combinatorics Seminar, Binghamton University–SUNY, Binghamton, NY, November 2015 

• Combinatorics Seminar, University of Rochester, Rochester, NY, November 2015

• Combinatorics Seminar, North Dakota State University, Fargo, ND, November 2015

• 8th Slovenian Conference on Graph Theory: Special Session on Association Schemes, Kranjska Gora, Slovenia, June 2015

• Workshop on Algebraic Combinatorics, Tilburg, Netherlands, June 2015

• UW Combinatorics Seminar, University of Wisconsin, Madison, WI, February 2015 

• The 13th Japan-Korea Workshop on Algebra and Combinatorics, Kyushu Institute of Technology, Kitakyushu, Japan, January 2015

2014

• RIMS Workshop: Research on Finite Groups and Their Representations, Vertex Operator Algebras, and Algebraic Combinatorics, Kyoto University, Japan, December 2014

• RCPAM Combinatorics Seminar, Tohoku University, Sendai, Japan, October 2014

• Algebraic Combinatorics Workshop, USTC, Hefei, China, November 2014

• 2014 Joint Mathematics Meetings: 

• MAA General Contributed Paper Session on Research in Graph Theory and Combinatorics I, Baltimore, MD, January 2014

• UW Combinatorics Seminar, University of Wisconsin, Madison, WI, January 2014

2013

• CAGE: Philadelphia Area Combinatorics and Algebraic Geometry Seminar, University of Pennsylvania, Philadelphia, PA, November 2013 

• Algebra-Geometry-Combinatorics Seminar, University of Illinois, Urbana, IL, October 2013

• UW Combinatorics Seminar, University of Wisconsin, Madison, WI, April 2013

• AMS Spring 2013 Central Sectional Meeting: Special Session on Algebraic and Geometric Combinatorics, Iowa State University, Ames, IA, April 2013

• 2013 Joint Mathematics Meetings: AMS Special Session on q-series in Mathematical Physics and Combinatorics, San Diego, CA, January 2013

2012

• Discrete Math Seminar, Rutgers University, New Brunswick, NJ, November 2012

• Mathematical Sciences Department Seminar, WPI, Worcester, MA, November 2012

• Minnesota Combinatorics Seminar, University of Minnesota,  Minneapolis, MN, November 2012 

• UW Combinatorics Seminar, University of Wisconsin, Madison, WI, September 2012

• UW Combinatorics Seminar, University of Wisconsin, Madison, WI, May 2012

• Shanghai Conference on Algebraic Combinatorics, Shanghai Jiao Tong University, Shanghai, China, August 2012

• 8th Annual Graduate Student Combinatorics Conference, University of Illinois at Urbana- Champaign, Urbana, IL, April 2012

2011

• UW Combinatorics Seminar, University of Wisconsin, Madison, WI, November 2011

• AMS Fall 2011 Central Section Meeting:  Special Session on Association Schemes and Related Topics, University of Nebraska-Lincoln, Lincoln, Nebraska, October 2011

• Geometric and Algebraic Combinatorics 5, Oisterwijk, The Netherlands, August 2011

• POSTECH, GAC Seminar, Pohang, Korea, June 2011

• Workshop on Algebraic Graph Theory  , Banff, Canada, April 2011

• UW Combinatorics Seminar, University of Wisconsin, Madison, WI, April 2011

2007 - 2008

• The 26th PNU-POSTECH Algebraic Combinatorics Workshop, Pusan National University, Pusan, Korea, June 2008

• The 4th Korea-Japan Workshop on Algebra and Combinatorics: The Mini-Workshop on Algebraic Combinatorics, POSTECH, Pohang, Korea, February 2008

• The 3rd Japan-Korea Workshop on Algebra and Combinatorics: Young Seminar on Algebra and Combinatorics, Kyushu University, Fukuoka, Japan, September 2007