14 search results - page 1 / 3 » On the Generation and Enumeration of some Classes of Convex ... |
65
Voted
COMBINATORICS
2004
15 years 12 days ago
2004
110
Voted
COMBINATORICS
2006
15 years 18 days ago
2006
Beauquier and Nivat introduced and gave a characterization of the class of pseudo-square polyominoes that tile the plane by translation: a polyomino tiles the plane by translation...
95
Voted
DM
1998
15 years 7 days ago
1998
We introduce three deÿnitions of q-analogs of Motzkin numbers and illustrate some combinatorial interpretations of these q-numbers. We relate the ÿrst class of q-numbers to the ...
108
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DCC
1998
IEEE
15 years 7 days ago
1998
IEEE
We discuss some methods for the enumeration, construction and random generation of isometry classes of block codes using methods from algebraic combinatorics.
113
Voted
EJC
2008
15 years 19 days ago
2008
We introduce a notion of Dyck paths with coloured ascents. For several ways of colouring, when the set of colours is itself some class of lattice paths, we establish bijections be...