Results 31 to 40 of about 475,794 (375)

A 15-Year Retrospective on Insertion-Deletion Systems: Progress, Evolution, and Future Directions [PDF]

open access: yesComputer Science Journal of Moldova
This paper offers a comprehensive retrospective on the development and results in the field of insertion-deletion systems over the past 15 years, building upon an earlier foundational overview from 2010.
Artiom Alhazov   +2 more
doaj   +1 more source

Number conserving cellular automata: new results on decidability and dynamics [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2003
This paper is a survey on our recent results about number conserving cellular automata. First, we prove the linear time decidability of the property of number conservation. The sequel focuses on dynamical evolutions of number conserving cellular automata.
Bruno Durand   +3 more
doaj   +1 more source

Undecidable problems concerning densities of languages [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2005
In this paper we prove that the question whether a language presented by a context free grammar has density, is undecidable. Moreover we show that there is no algorithm which, given two unambiguous context free grammars on input, decides whether the ...
Jakub Kozik
doaj   +1 more source

Analysis of cryptographic protocols using logics of belief: an overview

open access: yesJournal of Telecommunications and Information Technology, 2002
When designing a cryptographic protocol or explaining it, one often uses arguments such as ``since this message was signed by machine B, machine A can be sure it came from B`` in informal proofs justifying how the protocol works.
David Monniaux
doaj   +1 more source

Who Decides Who Decides? [PDF]

open access: yesThe Hastings Center Report, 1977
Peer Reviewed ; http://deepblue.lib.umich.edu/bitstream/2027.42/90544/1/3561853 ...
openaire   +4 more sources

A conceptual proposal on the undecidability of the distribution law of prime numbers and theoretical consequences

open access: yesRatio Mathematica, 2019
Within the conceptual framework of number theory, we consider prime numbers and the classic still unsolved problem to find a complete law of their distribution.
Gianfranco Minati
doaj   +1 more source

Knowledge to Manage the Knowledge Society: The Concept of Theoretical Incompleteness

open access: yesSystems, 2016
After having outlined the essential differences between non-complex systems and complex systems we briefly recall the conceptual approaches considered by the pre-complexity General Systems Theory introduced by Von Bertalanffy in 1968 and those of the ...
Gianfranco Minati
doaj   +1 more source

Observing the Observer (II): Deciding When to Decide [PDF]

open access: yesPLoS ONE, 2010
In a companion paper [1], we have presented a generic approach for inferring how subjects make optimal decisions under uncertainty. From a Bayesian decision theoretic perspective, uncertain representations correspond to "posterior" beliefs, which result from integrating (sensory) information with subjective "prior" beliefs.
Daunizeau, J   +5 more
openaire   +7 more sources

Decidability of conversion for type theory in type theory

open access: yesProc. ACM Program. Lang., 2017
Type theory should be able to handle its own meta-theory, both to justify its foundational claims and to obtain a verified implementation. At the core of a type checker for intensional type theory lies an algorithm to check equality of types, or in other
Andreas Abel   +2 more
semanticscholar   +1 more source

Improved Undecidability Results for Reachability Games on Recursive Timed Automata [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2014
We study reachability games on recursive timed automata (RTA) that generalize Alur-Dill timed automata with recursive procedure invocation mechanism similar to recursive state machines. It is known that deciding the winner in reachability games on RTA is
Shankara Narayanan Krishna   +2 more
doaj   +1 more source

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