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PH (complexity)

Known as: PH (disambiguation) 
In computational complexity theory, the complexity class PH is the union of all complexity classes in the polynomial hierarchy: PH was first defined… 
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Related topics

Related topics

28 relations
Alternating Turing machineBPP (complexity)BQPBoolean satisfiability problem

Papers overview

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Highly Cited
2008
Highly Cited
2008
Matching the Transconductance Characteristics of CMOS ISFET Arrays by Removing Trapped Charge
This paper presents an approach for matching the transconductance characteristics of CMOS ISFET arrays by removing trapped charge… 
Highly Cited
1999
Highly Cited
1999
The reduction of hexavalent chromium by sulphite in wastewater
The reduction of hexavalent chromium, Cr(VI), in unbuffered aqueous solution by sulphite was investigated as a function of pH… 
Highly Cited
1999
Highly Cited
1999
Electrochemical characterization of an enzyme electrode based on a ferrocene-containing redox polymer
Highly Cited
1998
Highly Cited
1998
Variable-feedrate CNC interpolators for constant material removal rates along Pythagorean-hodograph curves
Highly Cited
1997
Highly Cited
1997
QSPR as a means of predicting and understanding chemical and physical properties in terms of structure
Abstract 
Highly Cited
1996
Highly Cited
1996
Organizational Dimensions of Effective Digital Library Use: Closed Rational and Open Natural Systems Models
Behind the expectations that Digital Libraries (DLs) will provide access to any document at any time to anyone in any place are… 
Highly Cited
1995
Highly Cited
1995
Performance of a physically adsorbed high-molecular-mass polyethyleneimine layer as coating for the separation of basic proteins and peptides by capillary electrophoresis
Highly Cited
1988
Highly Cited
1988
Coreference processing during sentence comprehension
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1988. 
Highly Cited
1987
Highly Cited
1987
Infrared Fourier transform spectroscopy of PH
Highly Cited
1972
Highly Cited
1972
NEW FIXATION FOR BIOLOGICAL MEMBRANES USING TANNIC ACIDS
In order to obtain good fixation of polypeptides and proteins in tissues, tannic acid was added to ordinary aldehyde fixative, as… 
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