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S2P (complexity)

In computational complexity theory, SP2 is a complexity class, intermediate between the first and second levels of the polynomial hierarchy. A… 
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Papers overview

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2007
2007
Carbon nanoparticles (CNPs) were grown in the subsurface-region of porous SiO2 templates that had been subjected to plasma… 
2003
2003
Hydrogenated amorphous carbon materials typically contain high concentrations of paramagnetic defects, the density of which can… 
2001
2001
Abstract : Raman spectroscopy is a very popular, non-destructive tool for the structural characterization of carbons. Raman… 
1999
1999
A series of hydrogenated amorphous carbon (a-C:H) semiconducting thin films was deposited using the dc saddle field glow… 
1997
1997
We describe hardware and software schemes for achieving precise clock synchronization on SP2 parallel system nodes. The SP2… 
1976
1976
On the basis of the observed matrix-infrared spectrum of benzyne, a structure and set of force constants and bond orders are…