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» Functional Encryption for Turing Machines
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CSL
2005
Springer
13 years 10 months ago
Computing with Sequences, Weak Topologies and the Axiom of Choice
We study computability on sequence spaces, as they are used in functional analysis. It is known that non-separable normed spaces cannot be admissibly represented on Turing machines...
Vasco Brattka, Matthias Schröder
IGPL
2006
107views more  IGPL 2006»
13 years 5 months ago
Undecidability over Continuous Time
Since 1996, some models of recursive functions over the real numbers have been analyzed by several researchers. It could be expected that they exhibit a computational power much g...
Jerzy Mycka, José Félix Costa
CIE
2007
Springer
13 years 11 months ago
Computability and Incomputability
The conventional wisdom presented in most computability books and historical papers is that there were several researchers in the early 1930’s working on various precise defini...
Robert I. Soare
COCO
2007
Springer
94views Algorithms» more  COCO 2007»
13 years 11 months ago
Bounded Queries and the NP Machine Hypothesis
The NP machine hypothesis posits the existence of an ǫ > 0 and a nondeterministic polynomial-time Turing machine M which accepts the language 0∗ but for which no determinist...
Richard Chang, Suresh Purini
BIRTHDAY
2008
Springer
13 years 7 months ago
The Church-Turing Thesis over Arbitrary Domains
The Church-Turing Thesis has been the subject of many variations and interpretations over the years. Specifically, there are versions that refer only to functions over the natural ...
Udi Boker, Nachum Dershowitz