4103 search results - page 20 / 821 » Some results on the Collatz problem |
ICRA
2003
IEEE
14 years 20 days ago
2003
IEEE
— This paper addresses the problem of impedance control for flexible joint robots based on a singular perturbation approach. Some aspects of the impedance controller, which turn...
FSTTCS
1993
Springer
13 years 11 months ago
1993
Springer
We study the complexity of several standard problems for 1-safe Petri nets and some of its subclasses. We prove that reachability, liveness, and deadlock are all PSPACE-complete f...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
A Direct Sum Theorem holds in a model of computation, when for every problem solving some k input instances together is k times as expensive as solving one. We show that Direct Su...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
In this work, we cope with the problem of identifying the number of repetitions of a specific video clip in a target video clip. Generally, the methods that deal with this proble...
SIGMOD
2010
ACM
14 years 5 days ago
2010
ACM
It is amazingly easy to get meaningless results when measuring flash devices, partly because of the peculiarity of flash memory, but primarily because their behavior is determin...