PPT-MA/CSSE 474 Theory of Computation

Halting Problem Your Questions Previous class days material Reading Assignments HW 15 problems Anything else Key ideas so far Let U be a q y. Computation Theory L 8 102171 brPage 3br Examples of recursive de64257nitions sum of 012 Computation Theory L 8 103169 brPage 4br Examples of recursive de64257nitions sum of 012 th Fibonacci number Computation Theory L 8 103169 brPage 5br E unimelbeduau Microsoft Research Asia 4F Sigma Center No 49 Zhichun Road Haidian District Beijing 100080 China guxuhangli microsoftcom Abstract Techniques for being able to automatically identify acronym patterns are very important for enhancing a mul CS3231, 2010-2011. First Semester. Rahul. Jain. TexPoint fonts used in EMF. . Read the TexPoint manual before you delete this box.: . A. A. A. A. A. A. A. A. Why do I care about Theory ?. It provides solid foundations.. Ux. , and Risks. Supannika Koolmanojwong. CS577. Outline. UI Risks. Prototype. User Experience. Human Interface Guidelines. @USC CSSE. 2. UI Risks. New to client (success criteria): . IKIWISI. New to client's organization: . Theory of Computation Lecture 16: A Universal Program VII. 1. Recursively Enumerable Sets. Definition:. The set B  N is called . recursively enumerable. Fall 2017. http://cseweb.ucsd.edu/. classes/fa17/cse105-a/. Today's learning goals . Sipser Ch 5.1. Define and explain core examples of decision problems: A. DFA. , E. DFA. , EQ. DFA. , A. TM. , . HALT. 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). This course: A study of . abstract. . models of computers and computation.. Why theory, when computer field is so practical?. Theory provides concepts and principles, for both hardware and software that help us understand the general nature of the field.. 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. Supannika Koolmanojwong. Outline. Milestone Reviews . Core Capability Drive thru. Transition Readiness Review. Design Code Review. Individual Research Presentation. 2. ©USC-CSSE . Milestone review. ©USC-CSSE . 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. 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 Tom Jones. Hyesung. Kang (PNU, Korea). Dongsu. . Ryu. (CNU, Korea). 8/30/2012. 1. ICM Theory and Computation: Ann Arbor. 8/30/2012. ICM Theory and Computation: Ann Arbor. 2. The Context. :. Several dozen (known) diffuse cluster “radio .