288 search results - page 1 / 58 » Inclusion Problems for Patterns with a Bounded Number of Var... |
DLT
2010
13 years 6 months ago
2010
We study the inclusion problems for pattern languages that are generated by patterns with a bounded number of variables. This continues the work by Freydenberger and Reidenbach (In...
ICALP
2005
Springer
13 years 10 months ago
2005
Springer
Given two rooted, ordered, and labeled trees P and T the tree inclusion problem is to determine if P can be obtained from T by deleting nodes in T. This problem has recently been r...
APPROX
2011
Springer
12 years 4 months ago
2011
Springer
In this work we consider the problem of approximating the number of relevant variables in a function given query access to the function. Since obtaining a multiplicative factor ap...
FOCS
2006
IEEE
13 years 10 months ago
2006
IEEE
Given an n-element set U and a family of subsets S ⊆ 2U we show how to count the number of k-partitions S1 ∪ · · · ∪ Sk = U into subsets Si ∈ S in time 2nnO(1). The only...
IANDC
2008
13 years 4 months ago
2008
Hybrid systems are dynamical systems with the ability to describe mixed discretecontinuous evolution of a wide range of systems. Consequently, at first glance, hybrid systems appe...