ISAAC
2001
Springer
13 years 8 months ago
2001
Springer
A discrete pushdown timed automaton is a pushdown machine with integer-valued clocks. It has been shown recently that the binary reachability of a discrete pushdown timed automaton...
ISAAC
2001
Springer
13 years 8 months ago
2001
Springer
A fragmentary pattern is a multiset of non-empty strings, and it matches a string w if all the strings in it occur within w without any overlaps. We study some fundamental issues o...
ISAAC
2001
Springer
13 years 8 months ago
2001
Springer
Abstract. Graphical features on map, charts, diagrams and graph drawings usually must be annotated with text labels in order to convey their meaning. In this paper we focus on a pr...
ISAAC
2001
Springer
13 years 8 months ago
2001
Springer
We consider the routing for a special type of communication requests, called a multicast, consisting of a fixed source and a multiset of destinations in a wavelength division mult...
ISAAC
2001
Springer
13 years 8 months ago
2001
Springer
We consider a problem faced by train companies: How can trains be assigned to satisfy scheduled routes in a cost efficient way? Currently, many railway companies create solutions b...
ISAAC
2001
Springer
13 years 8 months ago
2001
Springer
ISAAC
2001
Springer
13 years 8 months ago
2001
Springer
ISAAC
2001
Springer
13 years 8 months ago
2001
Springer
Evolutionary trees describing the relationship for a set of species are central in evolutionary biology, and quantifying differences between evolutionary trees is an important tas...
ISAAC
2001
Springer
13 years 8 months ago
2001
Springer
We consider the problem of developing algorithms for the recognition of a fixed pattern within a permutation. These methods are based upon using a carefully chosen chain or tree ...