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» BQP and the Polynomial Hierarchy
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ICALP
1995
Springer
15 years 1 months ago
New Collapse Consequences of NP Having Small Circuits
We show that if a self-reducible set has polynomial-size circuits, then it is low for the probabilistic class ZPP(NP). As a consequence we get a deeper collapse of the polynomial-...
Johannes Köbler, Osamu Watanabe
ECCC
2006
145views more  ECCC 2006»
14 years 9 months ago
Constraint satisfaction: a personal perspective
Attempts at classifying computational problems as polynomial time solvable, NP-complete, or belonging to a higher level in the polynomial hierarchy, face the difficulty of undecid...
Tomás Feder
TLCA
2007
Springer
15 years 3 months ago
Predicative Analysis of Feasibility and Diagonalization
Abstract. Predicative analysis of recursion schema is a method to characterize complexity classes like the class of polynomial time functions. This analysis comes from the works of...
Jean-Yves Marion
IFIP
2004
Springer
15 years 3 months ago
On Complexity of Model-Checking for the TQL Logic
In this paper we study the complexity of the model-checking problem for the tree logic introduced as the basis for the query language TQL [Cardelli and Ghelli, 2001]. We define tw...
Iovka Boneva, Jean-Marc Talbot
AAAI
2007
14 years 12 months ago
Asymptotically Optimal Encodings of Conformant Planning in QBF
The world is unpredictable, and acting intelligently requires anticipating possible consequences of actions that are taken. Assuming that the actions and the world are determinist...
Jussi Rintanen