Title : 
Closure properties of GapP and #P
         
        
        
            Author_Institution : 
Dept. of Comput. Sci., Yale Univ., New Haven, CT, USA
         
        
        
        
        
        
            Abstract : 
We classify the relativizable closure properties of GapP, solving a problem posed by (Hertrampf et al., 1995). We also give a simple proof of their classification of functions that are relativizable closure properties of #P
         
        
            Keywords : 
Turing machines; computational complexity; GapP; closure properties; complexity; function classification; nondeterministic polynomial-time bounded Turing machine; problem solving; Artificial intelligence; Computer science; NASA; Polynomials; Radiofrequency interference; Terminology;
         
        
        
        
            Conference_Titel : 
Theory of Computing and Systems, 1997., Proceedings of the Fifth Israeli Symposium on
         
        
            Conference_Location : 
Ramat-Gan
         
        
            Print_ISBN : 
0-8186-8037-7
         
        
        
            DOI : 
10.1109/ISTCS.1997.595166