PPT-Theory of Computation

1 Theory of Computation Peer Instruction Lecture Slides by  Dr Cynthia Lee UCSD  are licensed under a  Creative Commons Attribution NonCommercial ShareAlike 30 Unported License. Michal . Kouck. ý. Charles University. Based on joint work with: . H. . Buhrman. , R. Cleve, . B. . Loff. , F. . Speelman. , …. Space hierarchy. space . S. space . S’. Mike Stannett, University of Sheffield (m.stannett@dcs.shef.ac.uk). New Worlds of Computation, LIFO, . Orléans. , 23 May 2011. Outline of talk. Cosmological computation (what is it?). First-order relativity theories (Andréka et al.). 1. Query Optimization in Cooperation with an Ontological Reasoning Service. Hui. Shi, Kurt Maly, and Steven Zeil. Contact. : maly@cs.odu.edu. 2. Outline. Problem. What are we reasoning about?. What are the challenges?. Theory of Computation Lecture 12: A Universal Program IV. 1. The Halting Problem. Let us define the predicate . HALT(x, y).. For a given number y, let . P. be the program such that #(. Theory of Computation Lecture 24: Turing Machines III. 1. Turing Machines. Actually, Turing’s original model of a computer was different from the Post-Turing language.. 1. Topics ahead. Computation in general. Hilbert’s Program: Is mathematics. c. omplete,. c. onsistent and. decidable? (. Entscheidungsproblem. ). Answers. Goedel’s. theorem. Turing’s machine. Chapter 4: Computation. What is possible to compute?. We can prove that there are some problems computers cannot solve. There are some problems computers can theoretically solve, but are intractable (would take too long to compute to be practical). Adrian Farrel. Old Dog Consulting. adrian@olddog.co.uk. History of PCE. We know where PCE comes from. Simple CSPF computation of paths for MPLS-TE. But RFC 4655 was not quite so limited in its definition. What is possible to compute?. We can prove that there are some problems computers cannot solve. There are some problems computers can theoretically solve, but are intractable (would take too long to compute to be practical). Fall . 2017. http://cseweb.ucsd.edu/classes/fa17/cse105-a/. Learning goals. Introductions. Clickers. When did you take CSE 20?. Winter 2017. Fall 2016. Spring 2016. Winter 2016. PETER 108: AC. To change your remote frequency. 1. Computation. In general, a . partial function. f on a set S. m. is a function whose domain is a subset of S. m. .. If a partial function on S. m. has the domain S. m. , then it is called . total. Charly Collin – . Sumanta. . Pattanaik. – Patrick . LiKamWa. Kadi Bouatouch. Painted materials. Painted materials. Painted materials. Painted materials. Our goal. Base layer. Binder thickness. Chapter one Alphabets and Languages Alphabets A symbol is an undefined term. (Cf. an abstract entity like point or line in geometry.) E.g. S, s, #, %, @, $, *, ?, !, =, +, - An alphabet Σ is a Active contributions to computation. Dendrites as computational elements:. Examples. Dendritic. computation. r. V. m. = . I. m. . R. m. Current flows uniformly out through the cell: . I. m. = . I.