**The Collaboratory: An Undergraduate Introduction to Research.**MAA Session on Integrating Research into the Undergraduate Classroom, Joint Math Meetings, January 16, 2019.**Writing and revising to conquer proofs in discrete mathematics.**Session on Best Practices and Innovation in the Teaching of Discrete Mathematics, MathFest August 3, 2018.**A sequence that counts: the Catalan numbers.**Mathematical Adventures and Diversions (MAAD) Seminar, Lafayette College, February 12, 2018.**The Robinson-Schensted-Knuth correspondence.**Special Seminar, Northwestern University, January 31, 2018 (slides).**Combinatorics of orthogonal polynomials and skew tableaux.**AMS Contributed Paper Session on Partitions, Paths, and Permutations, Joint Mathematics Meetings, January 12, 2018 (abstract).**Probability puzzles.**MathPath Plenary, July 22, 2017.**From Dyck paths to standard Young tableaux.**Brandeis Combinatorics Seminar, March 17, 2017.**Catalan numbers and generating functions.**Center for Women in Mathematics, Smith College, February 16, 2017.**Combinatorics of orthogonal polynomials and enumeration of Young yableaux.**Alg/Comb/Geom Seminar, Smith College, October 25, 2016.**Orthogonal polynomials, lattice paths, and skew Young tableaux.**PhD Defense, July 14, 2016.**Skew Young tableaux with at most three rows, Chebyshev polynomials, and Motzkin paths.**Dartmouth Combinatorics Seminar, April 14, 2016.**Skew Young tableaux with at most three rows, Chebyshev polynomials, and Motzkin paths.**MIT Combinatorics Seminar, April 6, 2016.**Skew Young tableaux with at most three rows with Chebyshev polynomials and Motzkin paths.**Graduate Student Combinatorics Conference, Clemson University, April 1-3, 2016.**Orthogonal polynomials and skew standard Young tableaux with at most three rows.**Brandeis Combinatorics Seminar, January 19, 2016.**Robinson-Schensted for lattice paths.**Penn State Altoona Colloquium, November 24, 2015.**Chain decompositions of LYM posets.**Brandeis Combinatorics Seminar, November 3, 2015.**Orthogonal polynomials and Motzkin paths with peak and flat restrictions.**8th International Conference on Lattice Path Combinatorics & Applications, August 17-20, 2015. (announcement)**Counting flawed Motzkin paths by Motzkin numbers.**Graduate Student Combinatorics Conference, March 27-29, 2015. (announcement)**Counting flawed Motzkin paths by Motzkin paths.**Combinatorics Seminar, Brandeis University, February 24, 2015.**The Robinson-Schensted correspondence.**Graduate Student Seminar, Brandeis University, January 30, 2015.**Enumerative combinatorics – multivariate power series.**Jsoftware Conference, July 24-25 2014.**Counting non-crossing trees by descents.**Combinatorics Seminar, Brandeis University, March 31, 2014.**Automaticity of the braid group.**Graduate Student Seminar, Brandeis University, March 13, 2014.**Counting binary trees and hyperplane arrangements.**Combinatorics Seminar, Brandeis University, October 24, 2013.**Percolation.**Graduate Student Seminar, Brandeis University, February 17, 2011.

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