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» Computationally Sound Proofs
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TAMC
2007
Springer
15 years 10 months ago
Working with the LR Degrees
We say that A ≤LR B if every B-random number is A-random. Intuitively this means that if oracle A can identify some patterns on some real γ, oracle B can also find patterns on ...
George Barmpalias, Andrew E. M. Lewis, Mariya Ivan...
CONCUR
2005
Springer
15 years 10 months ago
Transactions in RCCS
We propose a formalisation of the notion of transaction, using a variant of CCS, RCCS, that distinguishes reversible and irreversible actions, and incorporates a distributed backtr...
Vincent Danos, Jean Krivine
MFCS
2005
Springer
15 years 10 months ago
Basic Properties for Sand Automata
We prove several results about the relations between injectivity and surjectivity for sand automata. Moreover, we begin the exploration of the dynamical behavior of sand automata ...
Julien Cervelle, Enrico Formenti, Benoît Mas...
MFCS
2004
Springer
15 years 9 months ago
All Superlinear Inverse Schemes Are coNP-Hard
How hard is it to invert NP-problems? We show that all superlinearly certified inverses of NP problems are coNP-hard. To do so, we develop a novel proof technique that builds dia...
Edith Hemaspaandra, Lane A. Hemaspaandra, Harald H...
RTSS
2003
IEEE
15 years 9 months ago
Multiprocessor EDF and Deadline Monotonic Schedulability Analysis
Schedulability tests are presented for preemptive earliest-deadline-first and deadline-monotonic scheduling of periodic or sporadic real-time tasks on a singlequeue Ñ-server sys...
Theodore P. Baker