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AML
2010
102views more  AML 2010»
13 years 11 months ago
Kripke models for subtheories of CZF
In this paper a method to construct Kripke models for subtheories of constructive set theory is introduced that uses constructions from classical model theory such as constructibl...
Rosalie Iemhoff
POPL
2004
ACM
14 years 11 months ago
A bisimulation for dynamic sealing
We define seal, an untyped call-by-value -calculus with primitives for protecting abstract data by sealing, and develop a bisimulation proof method that is sound and complete with...
Eijiro Sumii, Benjamin C. Pierce
LICS
2008
IEEE
14 years 5 months ago
Typed Normal Form Bisimulation for Parametric Polymorphism
This paper presents a new bisimulation theory for parametric polymorphism which enables straightforward coinductive proofs of program equivalences involving existential types. The...
Søren B. Lassen, Paul Blain Levy
HASKELL
2009
ACM
14 years 5 months ago
A compositional theory for STM Haskell
We address the problem of reasoning about Haskell programs that use Software Transactional Memory (STM). As a motivating example, we consider Haskell code for a concurrent non-det...
Johannes Borgström, Karthikeyan Bhargavan, An...
ECCC
2008
168views more  ECCC 2008»
13 years 11 months ago
Algebrization: A New Barrier in Complexity Theory
Any proof of P = NP will have to overcome two barriers: relativization and natural proofs. Yet over the last decade, we have seen circuit lower bounds (for example, that PP does n...
Scott Aaronson, Avi Wigderson