**Lie algebras and integrable systems**, NCSU graduate recruitment weekend,
02/27/2016

**Monstrous moonshine**, NCSU SUM Series,
10/01/2015

**Twisted logarithmic modules of vertex algebras**, International conference Representation Theory XIV, Dubrovnik,
Croatia, June 21-27, 2015

**Kac-Wakimoto**** hierarchies and W-constraints**,
International conference “Symmetries in Mathematics and Physics II,” IMPA, Rio
de Janeiro, Brazil, June 24-28, 2013

**Reflection groups, root
systems, and singularities**, NCSU graduate recruitment weekend,
02/24/2012

**Singularities, root
systems, and W-algebras**,
Mathematics Colloquium, Louisiana State
University, 02/18/2010

NCSU
SUM Series, 01/27/2010

Enloe High School Future Scientists Club, Raleigh, NC, 10/22/2009

**W-constraints for simple
singularities**,
International workshop on Quantized Algebra and Physics, Chern
Institute of Mathematic, Nankai University, China,
July 23-26, 2009

**Vertex algebras in higher
dimensions**,
International conference on Vertex Operator
Algebras and Related Areas, Illinois State University, Normal, IL, 07/11/2008

**Non-linear generalizations
of the affine Lie algebra hat{sl}_2**, Mathematics Colloquium,
San Jose State University, CA, 04/30/2008

**Non-linear Lie conformal
algebras with three generators**, Workshop on Quantum Affine Lie Algebras, Extended Affine
Lie Algebras, and Applications, Banff International Research Station, Banff,
Canada, 03/06/2008

**Reconstructing a vertex
algebra in higher dimensions from its one-dimensional restriction**, Short communication in
Mathematical Physics at the International Congress of Mathematicians, Madrid,
Spain, 08/25/2006

**Vertex Lie algebras in
higher dimensions**,
Hermann Weyl prize lecture at the 26th International Colloquium on Group
Theoretical Methods in Physics, New York, 06/27/2006

** **

**Representations of the Lie pseudoalgebra W(**d**)**, Special
session on Infinite-Dimensional Lie Algebras, Vertex Operator Algebras, and
Related Topics at AMS meeting in Annandale-on-Hudson,
NY, 10/08/2005