Publications
Books
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Combinatorics on Words
(with J Berstel, A Lauve and C Reutenauer)
CRM Proceedings and Lecture Notes, 2009.
Publications
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Spectral analysis of random-to-random Markov chains
(with A B Dieker)
Advances in Mathematics, Volume 323, 7 January 2018, Pages 427-485.
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Multiplicative structures of the immaculate basis of non-commutative symmetric functions
(with Chris Berg, Nantel Bergeron, Luis Serrano, Mike Zabrocki)
Journal of Combinatorial Theory, Series A, Volume 152, November 2017, Pages 10-44
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Combinatorial Topology and the Global Dimension of Algebras Arising in Combinatorics
(with Stuart Margolis, Benjamin Steinberg)
J. Eur. Math. Soc. 17 (2015), 3037-3080.
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Indecomposable modules for the dual immaculate basis of quasi-symmetric functions
(with Chris Berg, Nantel Bergeron, Luis Serrano, Mike Zabrocki)
Proceedings of the American Mathematical Society, Volume 143 (2015), 991-1000
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Semigroups embeddable in hyperplane monoids
(with S Margolis and B Steinberg)
Semigroup Forum, August 2014, Volume 89, Issue 1, pp 236-248.
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Combinatorial expansions for families of non-commutative k-Schur functions
(with Chris Berg, Luis Serrano)
SIAM J. Discrete Math. 28-3 (2014), pp. 1074-1092.
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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. 1-121.
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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. 531-546.
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A lift of the Schur and Hall-Littlewood bases to non-commutative symmetric functions
(with Chris Berg, Nantel Bergeron, Luis Serrano, Mike Zabrocki)
Canadian Journal of Mathematics 66(2014), no. 3, 525-565.
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The down operator and expansions of near rectangular k-Schur functions
(with Chris Berg and Luis Serrano)
Journal of Combinatorial Theory, Series A, Volume 120, Issue 3, April 2013, Pages 623-636.
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Supercharacters, symmetric functions in noncommuting variables, and related Hopf algebras
(with several coauthors)
Advances in Mathematics, Volume 229, Issue 4, 1 March 2012, Pages 2310-2337
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Eigenvectors for a random walk on a left-regular band
Advances in Applied Mathematics, Volume 48, Issue 2, February 2012, Pages 306-311
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Oriented interval greedoids
(with Hugh Thomas)
Discrete & Computational Geometry, January 2012, Volume 47, Issue 1, pp 64-105
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Primitive orthogonal idempotents for R-trivial monoids
(with C Berg, N Bergeron and S Bhargava)
Journal of Algebra, Volume 348, Issue 1, 15 December 2011, Pages 446-461
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Representation theory of the higher order peak algebras
(with Jean-Christophe Novelli and Jean-Yves Thibon)
Journal of Algebraic Combinatorics, December 2010, Volume 32, Issue 4, pp 465-495.
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The Loewy length of the descent algebra of type D
Algebras and Representation Theory, April 2010, Volume 13, Issue 2, pp 243-254
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The Face Semigroup Algebra of a Hyperplane Arrangement
Canadian Journal of Mathematics, Volume 61 (2009), Number 4, Pages 904-929.
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On the quiver of the descent algebra
Journal of Algebra, Volume 320, Issue 11, 1 December 2008, Pages 3866-3894.
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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 241-244
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The Quiver of the Semigroup Algebra of a Left Regular Band
Int. J. Algebra Comput., 17, 1593 (2007)
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Constraining Plane Configurations in CAD: Circles, Lines, and Angles in the Plane
(with Walter Whiteley)
SIAM J. Discrete Math., 18(2), 246-271 (2004)
Conference Proceedings
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An insertion algorithm for diagram algebras
(with L Colmenarejo, R Orellana, A Schilling, M Zabrocki)
FPSAC 2020 in Ramat-Gan, Israel (Talk)
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Poset topology and homological invariants of algebras arising in algebraic combinatorics
(with Stuart Margolis and Benjamin Steinberg)
FPSAC 2014 in Chicago, Illinois (Talk)
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The immaculate basis of the non-commutative symmetric functions
(with Chris Berg, Nantel Bergeron, Luis Serrano, Mike Zabrocki)
FPSAC 2013 in Paris, France (Talk)
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The down operator and expansions of near rectangular k-Schur functions
(with Chris Berg and Luis Serrano)
FPSAC 2012 in Nagoya, Japan (Poster)
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Primitive orthogonal idempotents for R-trivial monoids
(with Chris Berg, Nantel Bergeron, Sandeep Bhargava)
FPSAC 2011 in Reykjavik, Iceland (Poster)
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Supercharacters, symmetric functions in noncommuting variables, and related Hopf algebras
(with several coauthors)
FPSAC 2011 in Reykjavik, Iceland (Talk)