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AuthorCooper, S. Barry. author
TitleComputability and Models [electronic resource] : Perspectives East and West / by S. Barry Cooper, Sergey S. Goncharov
ImprintBoston, MA : Springer US : Imprint: Springer, 2003
Connect tohttp://dx.doi.org/10.1007/978-1-4615-0755-0
Descript XIX, 375 p. online resource

SUMMARY

Science involves descriptions of the world we live in. It also depends on nature exhibiting what we can best describe as a high aLgorithmic content. The theme running through this collection of papers is that of the interaction between descriptions, in the form of formal theories, and the algorithmic content of what is described, namely of the modeLs of those theories. This appears most explicitly here in a number of valuable, and substantial, contributions to what has until recently been known as 'recursive model theory' - an area in which researchers from the former Soviet Union (in particular Novosibirsk) have been pre-eminent. There are also articles concerned with the computability of aspects of familiar mathematical structures, and - a return to the sort of basic underlying questions considered by Alan Turing in the early days of the subject - an article giving a new perspective on computability in the real world. And, of course, there are also articles concerned with the classical theory of computability, including the first widely available survey of work on quasi-reducibility. The contributors, all internationally recognised experts in their fields, have been associated with the three-year INTAS-RFBR Research Project "Comยญ putability and Models" (Project No. 972-139), and most have participated in one or more of the various international workshops (in Novosibirsk, Heidelberg and Almaty) and otherresearch activities of the network


CONTENT

Truth-Table Complete Computably Enumerable Sets -- Completeness and Universality of Arithmetical Numberings -- Algebraic Properties of Rogers Semilattices of Arithmetical Numberings -- Isomorphism Types and Theories of Rogers Semilattices of Arithmetical Numberings -- Computability over Topological Structures -- Incomputability In Nature -- Gems in the Field of Bounded Queries -- Finite End Intervals in Definable Quotients of ? -- A Tour of Robust Learning -- On Primitive Recursive Permutations -- On Self-Embeddings of Computable Linear Orders -- Definable Relations on the Computably Enumerable Degrees -- Quasi-Degrees of Recursively Enumerable Sets -- Positive Structures -- Local Properties of the Non-Total Enumeration Degrees


Mathematics Philosophy Computers Computer science -- Mathematics Mathematical logic Mathematics Mathematical Logic and Foundations Theory of Computation Philosophy general Mathematics of Computing Discrete Mathematics in Computer Science



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