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JCT
2010
55views more  JCT 2010»
13 years 3 months ago
The necklace poset is a symmetric chain order
Kelly Kross Jordan
JCT
2010
81views more  JCT 2010»
13 years 3 months ago
q-Partition algebra combinatorics
We study a q-analog Qr(n, q) of the partition algebra Pr(n). The algebra Qr(n, q) arises as the centralizer algebra of the finite general linear group GLn(Fq) acting on a vector ...
Tom Halverson, Nathaniel Thiem
JCT
2010
51views more  JCT 2010»
13 years 3 months ago
Interval partitions and Stanley depth
Csaba Biró, David M. Howard, Mitchel T. Kel...
JCT
2010
64views more  JCT 2010»
13 years 3 months ago
Eigenvalues of the derangement graph
Cheng Yeaw Ku, David B. Wales
JCT
2010
102views more  JCT 2010»
13 years 3 months ago
Coloring axis-parallel rectangles
For every k and r, we construct a finite family of axis-parallel rectangles in the plane such that no matter how we color them with k colors, there exists a point covered by prec...
János Pach, Gábor Tardos
JCT
2010
118views more  JCT 2010»
13 years 3 months ago
Combinatorics on partial word correlations
Francine Blanchet-Sadri, Justin Fowler, Joshua D. ...
JCT
2010
83views more  JCT 2010»
13 years 3 months ago
Families of prudent self-avoiding walks
A self-avoiding walk (SAW) on the square lattice is prudent if it never takes a step towards a vertex it has already visited. Prudent walks differ from most classes of SAW that ha...
Mireille Bousquet-Mélou
JCT
2010
51views more  JCT 2010»
13 years 3 months ago
Pattern avoidance in binary trees
Eric S. Rowland
JCT
2010
63views more  JCT 2010»
13 years 3 months ago
Counting numerical sets with no small atoms
Jeremy Marzuola, Andy Miller