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Degrees of unsolvability
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ISBN: 1316731634 1316745147 1316747077 1316754790 1316717054 1316749002 9781316754795 9781316717059 9781107168138 1107168139 Year: 2016 Publisher: Cambridge, United Kingdom

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Abstract

Since their inception, the Perspectives in Logic and Lecture Notes in Logic series have published seminal works by leading logicians. Many of the original books in the series have been unavailable for years, but they are now in print once again. In this volume, the eleventh publication in the Perspectives in Logic series, Manuel Lerman presents a systematic study of the interaction between local and global degree theory. He introduces the reader to the fascinating combinatorial methods of recursion theory while simultaneously showing how to use these methods to prove global theorems about degrees. The intended reader will have already taken a graduate-level course in recursion theory, but this book will also be accessible to those with some background in mathematical logic and a feeling for computability. It will prove a key reference to enable readers to easily locate facts about degrees and it will direct them to further results.


Book
The decision problem : solvable classes of quantificational formulas.
Authors: ---
ISBN: 020102540X 9780201025408 Year: 1979 Publisher: Reading (Mass.) : Addison-Wesley,


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Solvable cases of the decision problem
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ISBN: 1283526263 9786613838711 0080957358 044453380X Year: 1954 Publisher: Amsterdam, Netherlands : North-Holland Publishing Company,


Book
Degree spectra of relations on a cone
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ISBN: 9781470428396 1470428393 Year: 2018 Publisher: Providence, RI : American Mathematical Society,


Book
A hierarchy of Turing degrees : a transfinite hierarchy of lowness notions in the computably enumerable degrees, unifying classes, and natural definability
Authors: ---
ISBN: 0691200211 Year: 2021 Publisher: Princeton : Princeton University Press,

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Computability theory is a branch of mathematical logic and computer science that has become increasingly relevant in recent years. The field has developed growing connections in diverse areas of mathematics, with applications in topology, group theory, and other subfields. This book introduces a new hierarchy that allows them to classify the combinatorics of constructions from many areas of computability theory, including algorithmic randomness, Turing degrees, effectively closed sets, and effective structure theory. This unifying hierarchy gives rise to new natural definability results for Turing degree classes, demonstrating how dynamic constructions become reflected in definability. The book presents numerous construction techniques involving high-level nonuniform arguments, and their self-contained work is appropriate for graduate students and researchers.


Book
The incomputable : journeys beyond the Turing barrier
Authors: ---
ISBN: 3319436694 3319436678 Year: 2017 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Abstract

This book questions the relevance of computation to the physical universe. Our theories deliver computational descriptions, but the gaps and discontinuities in our grasp suggest a need for continued discourse between researchers from different disciplines, and this book is unique in its focus on the mathematical theory of incomputability and its relevance for the real world. The core of the book consists of thirteen chapters in five parts on extended models of computation; the search for natural examples of incomputable objects; mind, matter, and computation; the nature of information, complexity, and randomness; and the mathematics of emergence and morphogenesis. This book will be of interest to researchers in the areas of theoretical computer science, mathematical logic, and philosophy.

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