Structural complexity 2
A new recursion-theoretic characterization of the polytime functions
Computational Complexity
A foundational delineation of poly-time
Papers presented at the IEEE symposium on Logic in computer science
Information and Computation
Journal of the ACM (JACM)
A characterization of alternating log time by ramified recurrence
Theoretical Computer Science - Trees in algebra and programming
A Characterization of NC by Tree Recurrence
FOCS '98 Proceedings of the 39th Annual Symposium on Foundations of Computer Science
Separating NC along the δ axis
Theoretical Computer Science - Implicit computational complexity
Certifying Polynomial Time and Linear/Polynomial Space for Imperative Programs
SIAM Journal on Computing
Theoretical Computer Science
Predicative analysis of feasibility and diagonalization
TLCA'07 Proceedings of the 8th international conference on Typed lambda calculi and applications
A characterization of alternating log time by first order functional programs
LPAR'06 Proceedings of the 13th international conference on Logic for Programming, Artificial Intelligence, and Reasoning
Towards an implicit characterization of NCk
CSL'06 Proceedings of the 20th international conference on Computer Science Logic
The flow of data and the complexity of algorithms
CiE'05 Proceedings of the First international conference on Computability in Europe: new Computational Paradigms
A higher-order characterization of probabilistic polynomial time
FOPARA'11 Proceedings of the Second international conference on Foundational and Practical Aspects of Resource Analysis
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We give a recursion-theoretic characterization of the complexity classes NCkfor k茂戮驴 1. In the spirit of implicit computational complexity, it uses no explicit bounds in the recursion and also no separation of variables is needed. It is based on three recursion schemes, one corresponds to time (time iteration), one to space allocation (explicit structural recursion) and one to internal computations (mutual in place recursion). This is, to our knowledge, the first exact characterization of NCkby function algebra over infinite domains in implicit complexity.