- Bitcoin, Blockchain and the Boogeyman behind it. UW Mathday,March 19, 2018.
- Reduced words and a formula of Macdonald given at University of Kansas at the "Graduate Student Combinatorics Conference, 2017" April 8, 2017.
- Enumeration of Parabolic Double Cosets for Coxeter Groups given at Herstmonceaux Castle in England at "Algebraic Combinatorics and Group Actions Conference" June 12, 2016.
- LSU Student Colloquium Lectures: Trees, Tanglegrams, and Tangled Chains and Enumeration of Parabolic Double Cosets, Leap Day February 29, 2016.
- Trees, Tanglegrams, and Tangled Chains Discrete Math Conference at Worcester Poly Tech on September 12, 2015. See also the video version from BIRS Workshop on "Positivity in Algebraic Combinatorics" August 15-16, 2015.
- Computer Proofs: Coming Soon to a Theorem Near You Mathday, 2015. A video version comes in two parts: Part I and Part II .
- Quasisymmetric Functions June 9-13, 2014. Three lecture series at ECCO at Universidad de Los Andes, Bogota Colombia. Also here.
- Math inspired by origami Mathday March 24, 2014. Based on work by Butler, Demaine, Graham, and Tachi.
- Coxeter-Knuth Graphs and a Signed Little Bijection AMS-MAA Joint Meetings January 17, 2014. Joint with Zach Hamaker, Austin Roberts and Ben Young. Extended version given at Stanford and Berkeley in February: HERE.
- Patterns in Permutations and Diagrams ICERM Febrary 11, 2013, Sage Demo
- Consequences of the Lakshmibai-Sandhya Theorem Four lectures plus supporting materials written for MSJ-SI 2012 Schubert calculus held in Osaka, Japan. July 2012.
- Recent advances in symmetric functions and tableaux combinatorics Current Problems Seminar, UW. March 1, 2012.
- An Introduction to the Combinatorics and Geometry of Schubert Varieties Nebraska Conference for Undergraduate Women in Mathematics, January 28, 2012.
- Consequences of the Lakshmibai-Sandhya Theorem AWM 40th Anniversary Conference --Sept 18, 2011.
- Mathematics of the Web written for Mathday -- March 21, 2011.
- Rank Varieties written for CMS Special Session in Vancouver, December 2010.
- A Stratification of the Space of Branched Polymers written for Combinatorics 2010: Advances, Trends and Speculations -- March 26, 2010.
- An Introduction to Affine Grassmannians written for MSRI -- Connections Workshop, January 2009.
- Affine Colored Partitions and Affine Grassmannians written for AMS Special Session, January 2008.
- A computational approach to Schubert varieties written for Sage Days 2007. Also includes open problems on computer verification techniques and SAGE Dreams.
- Grassmannians and Other Schubert Varieties IMA Workshop on "What is Algebraic Geometry?"
- Intersecting Schubert Varieties Chennai Mathematical Institute (similar to talks given in Berkeley and UBC during the spring of 2005)
- FPSAC 2005 Taormina, Italy
- Schubert Varieties under a Microscope given at the AMS Summer Institute in Algebraic Geometry in Seattle.

Sara Billey Last modified: Tue Dec 8 14:11:41 PST 2009