# Boolean hierarchy

## Papers overview

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2001

2001

- 2001

The boolean hierarchy of partitions was introduced and studied by K. Wagner and S. Kosub, mostly over the lattice of NP -sets. Weâ€¦Â (More)

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1997

1997

- Electronic Colloquium on Computational Complexity
- 1997

This paper investigates nondeterministic bounded query classes in relation to the complexity of NP-hard approximation problemsâ€¦Â (More)

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1996

1996

- SIAM J. Comput.
- 1996

We show that if the Boolean hierarchy collapses to level k, then the polynomial hierarchy collapses to BH3(k), where BH3(k) isâ€¦Â (More)

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1996

1996

- FSTTCS
- 1996

A modular query consists of asking how many (modulo m) of k strings belong to a fixed NP language. Modular queries provide a formâ€¦Â (More)

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1995

1995

- Mathematical systems theory
- 1995

This paper is a study of the existence of polynomial time Boolean connective functions for languages. A languageL has an ANDâ€¦Â (More)

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Highly Cited

1991

Highly Cited

1991

- Theor. Comput. Sci.
- 1991

Beige], R., Bounded queries to SAT and the Boolean hierarchy, Theoretical Computer Science 84(1991)199-223. We study theâ€¦Â (More)

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1990

1990

- Structure in Complexity Theory Conference
- 1990

In this paper, we show that if the Boolean Hierarchy collapses to level k , then the Polynomial Hierarchy collapses to BH3(kâ€¦Â (More)

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Highly Cited

1988

Highly Cited

1988

- SIAM J. Comput.
- 1988

It is shown that if the Boolean hierarchy (BH) collapses, then there exists a sparse set S such that co-NP C_ NPs, and thereforeâ€¦Â (More)

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Highly Cited

1988

Highly Cited

1988

- SIAM J. Comput.
- 1988

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1987

1987

- STACS
- 1987

As a natural extension of P and NP, the Boolean closure of N P has attracted much attention recently. Many interesting propertiesâ€¦Â (More)

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