263 search results - page 33 / 53 » ejc 2007 |
EJC
2000
14 years 10 months ago
2000
Abstract: The concept of information is still lacking a complete understanding, as witnessed by the large number of different meanings that overload the terms "data", &qu...
73
Voted
EJC
2010
14 years 9 months ago
2010
Abstract. In this paper we study dualities of graphs and, more generally, relational structures with respect to full homomorphisms, that is, mappings that are both edge- and non-ed...
68
Voted
EJC
2010
14 years 9 months ago
2010
We give a combinatorial formula for the inverses of the alternating sums of free quasi-symmetric functions of the form F(I) where I runs over compositions with parts in a prescribe...
EJC
2010
14 years 9 months ago
2010
In our previous paper, we presented the combinatorial theory for minimal isostatic pinned frameworks - Assur graphs - which arise in the analysis of mechanical linkages. In this p...
EJC
2010
14 years 9 months ago
2010
A conjecture of G. Fan and A. Raspaud asserts that every bridgeless cubic graph contains three perfect matchings with empty intersection. We suggest a possible approach to problem...