24 search results - page 2 / 5 » Simple permutations and algebraic generating functions |
JCT
2010
13 years 3 months ago
2010
We propose a major index statistic on 01-fillings of moon polyominoes which, when specialized to certain shapes, reduces to the major index for permutations and set partitions. W...
FPL
2006
Springer
13 years 9 months ago
2006
Springer
This paper presents a novel tool flow combining rewriting logic with hardware synthesis. It enables the automated generation of synthesizable VHDL code from mathematical equations...
JCT
2010
13 years 3 months ago
2010
Abstract. We present bijections between four classes of combinatorial objects. Two of them, the class of unlabeled (2 + 2)-free posets and a certain class of involutions (or chord ...
COMBINATORICS
2002
13 years 5 months ago
2002
: We generalize the notion of pattern avoidance to arbitrary functions on ordered sets, and consider specifically three scenarios for permutations: linear, cyclic and hybrid, the f...
JAT
2007
13 years 5 months ago
2007
We derive new convergence results for the Schoenberg operator and more general quasi-interpolation operators. In particular, we prove that natural conditions on the generator func...