Recent Publications:- The minimum number of edges in uniform hypergraphs with Property O, arXiv 1608.06621 (2016) (with B. Kay and V. Rodl)
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- Symmetric chain decompositions of quotients by wreath products, Electronic Journal of Combinatorics 22(2)(2015) #P35 (with K. Thayer)
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- Maximal independent sets in the covering graph of the cube, Discrete Applied Mathematics 161 (9) (2013) 1203 - 1208
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- Some quotients of chain products are symmetric chain orders, Electronic Journal of Combinatorics 19(2)(2012) #P46 (with J. McKibben-Sanders and K. Thayer)
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- Maximal independent sets in bipartite graphs obtained from Boolean lattices, European Journal of Combinatorics 32 (2011) 1 - 9 (with P. Frankl and V. Rodl)
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- Introductory life sciences mathematics and quantitative neuroscience courses, CBE - Life Sciences Education 9 (2010) 370 - 377 (with Andrei Olifer)
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- On the size of maximal chains and the number of pairwise disjoint maximal antichains, Discrete Mathematics 310 (2010) 2883 - 2889 (with Bill Sands)
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- Retracts of posets: the chain-gap property and the selection property are independent, Algebra Universalis, (Oct 2008) (with C. Laflamme and M. Pouzet)
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- Antichains in the homomorphism order of graphs, Comment. Math. Univ. Carolin. 48 (2007) 571 - 583 (with P.L. Erdos, J. Nesetril, and L. Soukup)
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- Chromatic numbers and homomorphisms of large girth hypergraphs, Topics in Discrete Mathematics, Algorithms and Combinatorics 26 (2006) 455-471 (with V. Rodl, B. Sands, and N. Sauer)
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- Splitting numbers of grids, Electronic Journal of Combinatorics 12 (2005) R17: 31 pp. (with B. Sands)
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- Chromatic numbers and graph products, Discrete Mathematics 300 (2005) 91-99 (with N. Sauer)
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- Distributive lattices with the splitting property, Algebra Universalis 49 (2003) 13-33 (with B. Sands)
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- Some progress on the Aharoni-Korman conjecture, Discrete Mathematics 250 (2002) 79-91 (with T. Goddard)
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- Minimum-sized fibres in distributive lattices, J Austral Math Soc 70 (2001) 337-350 (with B. Sands)
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- An ordered set of size aleph 1 with monochromatic maximal chains, Order 17 (2000) 227-238 (with T. Goddard)
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