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» Finite Trees as Ordinals
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WOLLIC
2007
Springer
13 years 11 months ago
Hydra Games and Tree Ordinals
Hydra games were introduced by Kirby and Paris, for the formulation of a result which is independent from Peano arithmetic but depends on the transfinite structure of 0. Tree ordi...
Ariya Isihara
CIE
2006
Springer
13 years 9 months ago
Complexity-Theoretic Hierarchies
We introduce two hierarchies of unknown ordinal height. The hierarchies are induced by natural fragments of a calculus based on finite types and G
Lars Kristiansen
ICMLA
2010
13 years 3 months ago
Classification Models with Global Constraints for Ordinal Data
Ordinal classification is a form of multi-class classification where there is an inherent ordering between the classes, but not a meaningful numeric difference between them. Althou...
Jaime S. Cardoso, Ricardo Sousa
ALGORITHMICA
2005
97views more  ALGORITHMICA 2005»
13 years 5 months ago
Representing Trees of Higher Degree
This paper focuses on space efficient representations of rooted trees that permit basic navigation in constant time. While most of the previous work has focused on binary trees, w...
David Benoit, Erik D. Demaine, J. Ian Munro, Rajee...
ICALP
2007
Springer
13 years 11 months ago
Succinct Ordinal Trees Based on Tree Covering
Abstract. Various methods have been used to represent a tree on n nodes in essentially the informationtheoretic minimum space while supporting various navigational operations in co...
Meng He, J. Ian Munro, S. Srinivasa Rao