| Goals for the end of the class: understand decidability, undecidability, polynomial-time reductions, NP completeness | 
| Latest news: | 
| Latest news: | 
| quiz 2 solutions: :upload:quiz2_solns.pdf | 
| : Saturday final exam moved to Surge 284 and time period extended  (show up between 8 and 10, leave three hours later) | 
| hwk 1 problem 2 solution: :/TuringMachineSimulator.Cc - TM simulator in C++ :/TuringMachineSimulator.Py - TM simulator in Python | 
| : information about /Grades and /FinalExam | 
| /LectureSummaries  -- summaries of the first 5 class meetings | 
| : /RedoHwks  --- redo hwks 2,3 or 4 if you like | 
|  | 
| : hwk 5 solutions - upload:hwk5_solns.pdf - (for review, not graded) : /PracticeProblemsWithSolutions : proofs group problems week of nov 29 - /ProofsGroup1122 : advanced topics: /ApproximationAlgorithms , /KolmogorovComplexity, /RecursionTheorem : study groups are meeting Mondays, Thursdays 3:30-5pm in surge 349 : proofs groups are meeting Tuesdays (surge 284), Thursdays (surge 349), noon - 1:30 : quiz 4 solutions - upload:quiz4_solns.pdf : quiz 3 solutions - upload:quiz3solns.pdf : quiz 2 solutions - upload:quiz2_solns.pdf : quiz 1 solutions - /EntranceQuizSolns : hwk 4 solutions - upload:hwk4_solns.pdf : hwk 3 solutions - upload:hwk3_solns.pdf : hwk 2 solutions - /Hwk2Solns : hwk 1, prob 2 soln - /TuringMachineSimulator.Cc - TM simulator in C++ (see also /TuringMachineSimulator.Py - in python) | 
| proofs group from a previous term | 
| :/LectureSummaries  -- summaries of the first 5 class meetings | 
| /TentativeTopics,  /SimilarCourses,  /MeetingSchedule,  /ReferenceMaterials | 
| :proofs group from a previous term | 
| The official UCR catalogue entry is here. | 
| :/TentativeTopics,  /SimilarCourses,  /MeetingSchedule,  /ReferenceMaterials | 
| http://www.jinwicked.com/images/art/turing.jpg | 
| : http://www.jinwicked.com/images/art/turing.jpg | 
What kinds of problems can be, or cannot be, solved using computers? How do we formally model and reason about computation?
Goals for the end of the class: understand decidability, undecidability, polynomial-time reductions, NP completeness
