COCO
1991
Springer
14 years 2 months ago
1991
Springer
For various polynomial-time reducibilities r, this paper asks whether being r-reducible to a sparse set is a broader notion than being r-equivalent to a sparse set. Although distin...
FSTTCS
1992
Springer
14 years 3 months ago
1992
Springer
In this paper we study the consequences of the existence of sparse hard sets for NP and other complexity classes under certain types of deterministic, randomized, and nondetermini...