1798 search results - page 29 / 360 » A Tree for All Seasons |
COMBINATORICS
2006
13 years 7 months ago
2006
A permutation is said to avoid the permutation if no subsequence in has the same order relations as . Two sets of permutations 1 and 2 are Wilfequivalent if, for all n, the numb...
SWAT
2000
Springer
13 years 11 months ago
2000
Springer
Abstract. We show how to maintain centers and medians for a collection of dynamic trees where edges may be inserted and deleted and node and edge weights may be changed. All update...
IPL
2006
13 years 7 months ago
2006
A precise analysis of the retrieval of signature trees is presented. A signature tree is a data structure constructed over a signature file to speed up searching all those signatu...
AML
2010
13 years 7 months ago
2010
We give some restrictions for the search for a model of the club principle with no Souslin trees. We show that (2, [], is almost constant on) together with CH and "all Aronsza...
IPMI
2003
Springer
14 years 8 months ago
2003
Springer
Abstract. A method for quantitative assessment of tree structures is reported allowing evaluation of airway or vascular tree morphology and its associated function. Our skeletoniza...