4 search results - page 1 / 1 » A Closed Formula for the Number of Convex Permutominoes |
COMBINATORICS
2007
13 years 5 months ago
2007
IANDC
2008
13 years 5 months ago
2008
Permutominoes are polyominoes defined by suitable pairs of permutations. In this paper we provide a formula to count the number of convex permutominoes of given perimeter. To this ...
COMBINATORICA
2010
13 years 2 months ago
2010
A d-dimensional polycube is a facet-connected set of cubes in d dimensions. Fixed polycubes are considered distinct if they differ in their shape or orientation. A proper d-dimens...
EUSFLAT
2009
13 years 3 months ago
2009
Abstract-- Recently, many scholars investigated interval, triangular, and trapezoidal approximations of fuzzy numbers. These researches can be grouped into two classes: the Euclide...