1798 search results - page 35 / 360 » A Tree for All Seasons |
ICALP
1998
Springer
13 years 11 months ago
1998
Springer
Abstract. We study entailment of structural and nonstructural recursive subtyping constraints. Constraints are formal inequalities between type expressions, interpreted over an ord...
CADE
1998
Springer
13 years 11 months ago
1998
Springer
Abstract. The rank/activity restriction on binary resolution is introduced. It accepts only a single derivation tree from a large equivalence class of such trees. The equivalence c...
EJC
2007
13 years 7 months ago
2007
The authors showed in an earlier paper that there is a tree that displays, up to a natural equivalence, all non-trivial 3-separations of a 3-connected matroid. The purpose of this ...
BMCBI
2007
13 years 7 months ago
2007
Background: Construction and interpretation of phylogenetic trees has been a major research topic for understanding the evolution of genes. Increases in sequence data and complexi...
COMBINATORICS
2006
13 years 7 months ago
2006
This note deals with a formula due to G. Labelle for the summed cycle indices of all rooted trees, which resembles the well-known formula for the cycle index of the symmetric grou...