Publications
Books

Combinatorics on Words
(with J Berstel, A Lauve and C Reutenauer)
CRM Proceedings and Lecture Notes, 2009.
Publications

Spectral analysis of randomtorandom Markov chains
(with A B Dieker)
Advances in Mathematics, Volume 323, 7 January 2018, Pages 427485.

Multiplicative structures of the immaculate basis of noncommutative symmetric functions
(with Chris Berg, Nantel Bergeron, Luis Serrano, Mike Zabrocki)
Journal of Combinatorial Theory, Series A, Volume 152, November 2017, Pages 1044

Combinatorial Topology and the Global Dimension of Algebras Arising in Combinatorics
(with Stuart Margolis, Benjamin Steinberg)
J. Eur. Math. Soc. 17 (2015), 30373080.

Indecomposable modules for the dual immaculate basis of quasisymmetric functions
(with Chris Berg, Nantel Bergeron, Luis Serrano, Mike Zabrocki)
Proceedings of the American Mathematical Society, Volume 143 (2015), 9911000

Semigroups embeddable in hyperplane monoids
(with S Margolis and B Steinberg)
Semigroup Forum, August 2014, Volume 89, Issue 1, pp 236248.

Combinatorial expansions for families of noncommutative kSchur functions
(with Chris Berg, Luis Serrano)
SIAM J. Discrete Math. 283 (2014), pp. 10741092.

Spectra of Symmetrized Shuffling Operators
(with Victor Reiner and Volkmar Welker)
Memoirs of the American Mathematical Society, vol. 228, Amer. Math. Soc., Providence, RI, 2014, pp. 1121.

Pieri operators on the affine nilCoxeter algebra
(with Chris Berg and Luis Serrano)
Transactions of the American Mathematical Society,
Trans. Amer. Math. Soc. 366 (2014), pp. 531546.

A lift of the Schur and HallLittlewood bases to noncommutative symmetric functions
(with Chris Berg, Nantel Bergeron, Luis Serrano, Mike Zabrocki)
Canadian Journal of Mathematics 66(2014), no. 3, 525565.

The down operator and expansions of near rectangular kSchur functions
(with Chris Berg and Luis Serrano)
Journal of Combinatorial Theory, Series A, Volume 120, Issue 3, April 2013, Pages 623636.

Supercharacters, symmetric functions in noncommuting variables, and related Hopf algebras
(with several coauthors)
Advances in Mathematics, Volume 229, Issue 4, 1 March 2012, Pages 23102337

Eigenvectors for a random walk on a leftregular band
Advances in Applied Mathematics, Volume 48, Issue 2, February 2012, Pages 306311

Oriented interval greedoids
(with Hugh Thomas)
Discrete & Computational Geometry, January 2012, Volume 47, Issue 1, pp 64105

Primitive orthogonal idempotents for Rtrivial monoids
(with C Berg, N Bergeron and S Bhargava)
Journal of Algebra, Volume 348, Issue 1, 15 December 2011, Pages 446461

Representation theory of the higher order peak algebras
(with JeanChristophe Novelli and JeanYves Thibon)
Journal of Algebraic Combinatorics, December 2010, Volume 32, Issue 4, pp 465495.

The Loewy length of the descent algebra of type D
Algebras and Representation Theory, April 2010, Volume 13, Issue 2, pp 243254

The Face Semigroup Algebra of a Hyperplane Arrangement
Canadian Journal of Mathematics, Volume 61 (2009), Number 4, Pages 904929.

On the quiver of the descent algebra
Journal of Algebra, Volume 320, Issue 11, 1 December 2008, Pages 38663894.

A note on the Markoff condition and central words
(with Amy Glen, Aaron Lauve)
Information Processing Letters, Volume 105, Issue 6, 16 March 2008, Pages 241244

The Quiver of the Semigroup Algebra of a Left Regular Band
Int. J. Algebra Comput., 17, 1593 (2007)

Constraining Plane Configurations in CAD: Circles, Lines, and Angles in the Plane
(with Walter Whiteley)
SIAM J. Discrete Math., 18(2), 246271 (2004)
Conference Proceedings

An insertion algorithm for diagram algebras
(with L Colmenarejo, R Orellana, A Schilling, M Zabrocki)
FPSAC 2020 in RamatGan, Israel (Talk)

Poset topology and homological invariants of algebras arising in algebraic combinatorics
(with Stuart Margolis and Benjamin Steinberg)
FPSAC 2014 in Chicago, Illinois (Talk)

The immaculate basis of the noncommutative symmetric functions
(with Chris Berg, Nantel Bergeron, Luis Serrano, Mike Zabrocki)
FPSAC 2013 in Paris, France (Talk)

The down operator and expansions of near rectangular kSchur functions
(with Chris Berg and Luis Serrano)
FPSAC 2012 in Nagoya, Japan (Poster)

Primitive orthogonal idempotents for Rtrivial monoids
(with Chris Berg, Nantel Bergeron, Sandeep Bhargava)
FPSAC 2011 in Reykjavik, Iceland (Poster)

Supercharacters, symmetric functions in noncommuting variables, and related Hopf algebras
(with several coauthors)
FPSAC 2011 in Reykjavik, Iceland (Talk)