Bounded Queries in Recursion Theory

Bounded Queries in Recursion Theory PDF Author: William Levine
Publisher: Springer Science & Business Media
ISBN: 1461206359
Category : Computers
Languages : en
Pages : 356

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Book Description
One of the major concerns of theoretical computer science is the classifi cation of problems in terms of how hard they are. The natural measure of difficulty of a function is the amount of time needed to compute it (as a function of the length of the input). Other resources, such as space, have also been considered. In recursion theory, by contrast, a function is considered to be easy to compute if there exists some algorithm that computes it. We wish to classify functions that are hard, i.e., not computable, in a quantitative way. We cannot use time or space, since the functions are not even computable. We cannot use Turing degree, since this notion is not quantitative. Hence we need a new notion of complexity-much like time or spac~that is quantitative and yet in some way captures the level of difficulty (such as the Turing degree) of a function.

Bounded Queries in Recursion Theory

Bounded Queries in Recursion Theory PDF Author: William Levine
Publisher: Springer Science & Business Media
ISBN: 1461206359
Category : Computers
Languages : en
Pages : 356

Get Book Here

Book Description
One of the major concerns of theoretical computer science is the classifi cation of problems in terms of how hard they are. The natural measure of difficulty of a function is the amount of time needed to compute it (as a function of the length of the input). Other resources, such as space, have also been considered. In recursion theory, by contrast, a function is considered to be easy to compute if there exists some algorithm that computes it. We wish to classify functions that are hard, i.e., not computable, in a quantitative way. We cannot use time or space, since the functions are not even computable. We cannot use Turing degree, since this notion is not quantitative. Hence we need a new notion of complexity-much like time or spac~that is quantitative and yet in some way captures the level of difficulty (such as the Turing degree) of a function.

Bounded Queries in Recursion Theory

Bounded Queries in Recursion Theory PDF Author: William I. Gasarch
Publisher:
ISBN: 9783764339661
Category : Computational complexity
Languages : en
Pages : 353

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Book Description


Complexity, Logic, and Recursion Theory

Complexity, Logic, and Recursion Theory PDF Author: Andrea Sorbi
Publisher: CRC Press
ISBN: 0429529953
Category : Mathematics
Languages : en
Pages : 384

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Book Description
"Integrates two classical approaches to computability. Offers detailed coverage of recent research at the interface of logic, computability theory, nd theoretical computer science. Presents new, never-before-published results and provides informtion not easily accessible in the literature."

Recursion Theory Week

Recursion Theory Week PDF Author: Heinz-Dieter Ebbinghaus
Publisher: Springer
ISBN: 3540395962
Category : Mathematics
Languages : en
Pages : 427

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Book Description


Models and Computability

Models and Computability PDF Author: S. Barry Cooper
Publisher: Cambridge University Press
ISBN: 0521635500
Category : Computers
Languages : en
Pages : 433

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Book Description
Second of two volumes providing a comprehensive guide to the current state of mathematical logic.

Mathematical Foundations of Computer Science 1996

Mathematical Foundations of Computer Science 1996 PDF Author: Wojciech Penczek
Publisher: Springer Science & Business Media
ISBN: 9783540615507
Category : Computers
Languages : en
Pages : 614

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Book Description
This book constitutes the refereed proceedings of the 21st International Symposium on Mathematical Foundations of Computer Science, MFCS '96, held in Crakow, Poland in September 1996. The volume presents 35 revised full papers selected from a total of 95 submissions together with 8 invited papers and 2 abstracts of invited talks. The papers included cover issues from the whole area of theoretical computer science, with a certain emphasis on mathematical and logical foundations. The 10 invited presentations are of particular value.

Mathematical Foundations of Computer Science 2004

Mathematical Foundations of Computer Science 2004 PDF Author: Jirí Fiala
Publisher: Springer
ISBN: 3540286292
Category : Computers
Languages : en
Pages : 916

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Book Description
This volume contains the papers presented at the 29th Symposium on Mat- matical Foundations of Computer Science, MFCS 2004, held in Prague, Czech Republic, August 22–27, 2004. The conference was organized by the Institute for Theoretical Computer Science (ITI) and the Department of Theoretical Com- terScienceandMathematicalLogic(KTIML)oftheFacultyofMathematicsand Physics of Charles University in Prague. It was supported in part by the Eu- pean Association for Theoretical Computer Science (EATCS) and the European Research Consortium for Informatics and Mathematics (ERCIM). Traditionally, the MFCS symposia encourage high-quality research in all branches of theoretical computer science. Ranging in scope from automata, f- mal languages, data structures, algorithms and computational geometry to c- plexitytheory,modelsofcomputation,andapplicationsincludingcomputational biology, cryptography, security and arti?cial intelligence, the conference o?ers a unique opportunity to researchers from diverse areas to meet and present their results to a general audience. The scienti?c program of this year’s MFCS took place in the lecture halls of the recently reconstructed building of the Faculty of Mathematics and P- sics in the historical center of Prague, with the famous Prague Castle and other celebratedhistoricalmonumentsinsight.Theviewfromthewindowswasach- lengingcompetitionforthespeakersinthe?ghtfortheattentionoftheaudience. But we did not fear the result: Due to the unusually tough competition for this year’s MFCS, the admitted presentations certainly attracted considerable in- rest. The conference program (and the proceedings) consisted of 60 contributed papers selected by the Program Committee from a total of 167 submissions.

Mathematical Foundations of Computer Science 2005

Mathematical Foundations of Computer Science 2005 PDF Author: Joanna Jedrzejowicz
Publisher: Springer Science & Business Media
ISBN: 3540287027
Category : Computers
Languages : en
Pages : 829

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Book Description
This book constitutes the refereed proceedings of the 30th International Symposium on Mathematical Foundations of Computer Science, MFCS 2005, held in Gdansk, Poland in August/September 2005. The 62 revised full papers presented together with full papers or abstracts of 7 invited talks were carefully reviewed and selected from 137 submissions. All current aspects in theoretical computer science are addressed, ranging from quantum computing, approximation, automata, circuits, scheduling, games, languages, discrete mathematics, combinatorial optimization, graph theory, networking, algorithms, and complexity to programming theory, formal methods, and mathematical logic.

Fundamentals of Computation Theory

Fundamentals of Computation Theory PDF Author: Andrzej Lingas
Publisher: Springer Science & Business Media
ISBN: 3540405437
Category : Computers
Languages : en
Pages : 444

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Book Description
This book constitutes the refereed proceedings of the 14th International Symposium Fundamentals of Computation Theory, FCT 2003, held in Malmö, Sweden in August 2003. The 36 revised full papers presented together with an invited paper and the abstracts of 2 invited talks were carefully reviewed and selected from 73 submissions. The papers are organized in topical sections on approximibility, algorithms, networks and complexity, computational biology, computational geometry, computational models and complexity, structural complexity, formal languages, and logic.

Algorithmic Learning Theory

Algorithmic Learning Theory PDF Author: Shai Ben David
Publisher: Springer Science & Business Media
ISBN: 3540233563
Category : Computers
Languages : en
Pages : 519

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Book Description
Algorithmic learning theory is mathematics about computer programs which learn from experience. This involves considerable interaction between various mathematical disciplines including theory of computation, statistics, and c- binatorics. There is also considerable interaction with the practical, empirical ?elds of machine and statistical learning in which a principal aim is to predict, from past data about phenomena, useful features of future data from the same phenomena. The papers in this volume cover a broad range of topics of current research in the ?eld of algorithmic learning theory. We have divided the 29 technical, contributed papers in this volume into eight categories (corresponding to eight sessions) re?ecting this broad range. The categories featured are Inductive Inf- ence, Approximate Optimization Algorithms, Online Sequence Prediction, S- tistical Analysis of Unlabeled Data, PAC Learning & Boosting, Statistical - pervisedLearning,LogicBasedLearning,andQuery&ReinforcementLearning. Below we give a brief overview of the ?eld, placing each of these topics in the general context of the ?eld. Formal models of automated learning re?ect various facets of the wide range of activities that can be viewed as learning. A ?rst dichotomy is between viewing learning as an inde?nite process and viewing it as a ?nite activity with a de?ned termination. Inductive Inference models focus on inde?nite learning processes, requiring only eventual success of the learner to converge to a satisfactory conclusion.