692 search results - page 3 / 139 » Combinatorics of Partial Derivatives |
TCS
2002
13 years 10 months ago
2002
COMBINATORICS
2006
13 years 10 months ago
2006
We show how to construct a cubic partial cube from any simplicial arrangement of lines or pseudolines in the projective plane. As a consequence, we find nine new infinite families...
COMBINATORICS
2006
13 years 10 months ago
2006
We show that matchings avoiding certain partial patterns are counted by the 3-Catalan numbers. We give a characterization of 12312-avoiding matchings in terms of restrictions on t...
COMBINATORICS
2004
13 years 10 months ago
2004
Until now, the enumeration of connected graphs has been dealt with by probabilistic methods, by special combinatorial decompositions or by somewhat indirect formal series manipula...
DM
2008
13 years 10 months ago
2008
Extremal Combinatorics is one of the central areas in Discrete Mathematics. It deals with problems that are often motivated by questions arising in other areas, including Theoreti...