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A Tight Relationship between Generic Oracles and Type-2 Complexity Theory (1997)  (Make Corrections)  (6 citations)
Stephen Cook, Russell Impagliazzo, Tomoyuki Yamakami
Information and Computation



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Abstract: We show that any two complexity classes satisfying some general conditions are distinct relative to a generic oracle iff the corresponding type-2 classes are distinct. (Update)

Context of citations to this paper:   More

.... separations between the Turing closures of the related type 1 search classes and these separations apply to all generic oracles ( BI87] [CY95]. 2.3 Some simple reductions It is easy to see that SOURCE:OR:SINK m LEAF , by ignoring the direction information on the input graph....

...A ; iii) There exists a generic oracle G such that 5 Figure 2: Reducing Q 1 to Q 2 (CQ 1 ) G (CQ 2 ) G . The proof appears in [CIY97] In order to state the full power of our separation results, we now define a more general form of reduction among total search problems: We...

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The Relative Complexity of NP Search Problems - Beame, Cook, Edmonds.. (1997)   (Correct)
The P versus NP Problem - Cook   (Correct)
Generic Separations - Fortnow, Yamakami (1995)   (Correct)

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6:   Generic oracles and oracle classes (context) - Blum, Impagliazzo - 1987
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4:   How easy is local search (context) - Johnson, Papadimitrou et al. - 1988

BibTeX entry:   (Update)

S. A. Cook, R. Impagliazzo, and T. Yamakami. A tight relationship between generic oracles and type-2 complexity theory. Information and Computation, 136, 1997. To appear. http://citeseer.ist.psu.edu/cook97tight.html   More

@article{ cook97tight,
    author = "Stephen Cook and Russell Impagliazzo and Tomoyuki Yamakami",
    title = "A Tight Relationship Between Generic Oracles and Type-2 Complexity Theory",
    journal = "Information and Computation",
    volume = "137",
    number = "2",
    pages = "159-170",
    year = "1997",
    url = "citeseer.ist.psu.edu/cook97tight.html" }
Citations (may not include all citations):
534   The complexity of theorem-proving procedures (context) - Cook - 1971
172   Algebraic methods for interactive proof systems - Lund, Fortnow et al. - 1992
75   and the polynomial time hierarchy (context) - Furst, Saxe et al. - 1984
60   Generic oracles and oracle classes (context) - Blum, Impagliazzo - 1987
48   Borel sets and circuit complexity (context) - Sipser - 1983
37   Decision trees and downward closures (context) - Impagliazzo, Naor - 1988
32   An oracle builder's toolkit - Fenner, Fortnow et al. - 1993
27   The relative complexity of NP search problems - Beame, Cook et al. - 1995
26   Polynomial and abstract subrecursive classes (context) - Mehlhorn - 1976
18   Are there interactive protocols for co-NP languages - Fortnow, Sipser - 1988
15   Robust machines accept easy sets (context) - Hartmanis, Hemachandra - 1990
13   On graph-theoretic lemmata and complexity classes (context) - Papadimitriou - 1990
11   On some natural complete operators (context) - Ko - 1985
8   Relativized questions involving probabilistic algorithms (context) - Rackoff - 1982
7   Symbolic Logic (context) - Poizat, NQ - 1986
4   One-way functions (context) - Hartmanis, Hemachandra - 1987
3   Provably total functions of intuitionistic bounded arithmeti.. (context) - Harnik - 1992
3   Query complexity (context) - Tardos - 1989
2   and Solovay (context) - Baker, Gill - 1975
1   Generic separations - Fortnow, Yamakami - 1996
1   Computing with polynomials give by black boxes for their eva.. (context) - Kaltofen, Trager - 1990
1   Functional interpretaions of feasibly constructive arithmeti.. (context) - Cook, Urquhart - 1993
1   Type two computable functionals (context) - Constable - 1973
1   A new characterization of type-2 feasibility (context) - Kapron, Cook - 1996



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Relating the Provable Collapse of P to NC¹ and the Power of.. - Cook   (Correct)
An Exponential Lower Bound for the Size of Monotone Real Circuits - Haken, Cook (1997)   (Correct)
The P versus NP Problem - Cook   (Correct)

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