'Halts' diaporamas de présentation

Jeff Edmonds York University

4111 Computability. Reductions to the Halting Problem. Different Models Reductions Simple Reductions Rice's Theorem Acceptable Acceptability Complete. The Post Correspondence Prob Tiling CFG G Generates I CFG G Generates Every String CFG G Generates Some String CFG L(G)=L(G')

1.24k views • 112 slides

Jeff Edmonds York University

4111 Computability. Reductions to the Halting Problem. Different Models Reductions Simple Reductions Rice's Theorem Acceptable Acceptability Complete. The Post Correspondence Prob Tiling CFG G Generates I CFG G Generates Every String CFG G Generates Some String CFG L(G)=L(G')

1.22k views • 112 slides

6.001 SICP Computability

6.001 SICP Computability. What we've seen... Deep question #1: Does every expression stand for a value? Deep question #2: Are there things we can't compute? Deep question #3: What is EVAL really?. (1) Abstraction. Elements of a Language Procedural Abstraction:

515 views • 51 slides

David Evans cs.virginia/evans

492 views • 49 slides

David Evans cs.virginia/evans

341 views • 34 slides

David Evans cs.virginia/evans

Class 25: Undecidable Problems. David Evans http://www.cs.virginia.edu/evans. Influenza Virus. CS150: Computer Science University of Virginia Computer Science. Menu. Review: Undecidability Halting Problem How do we prove a problem is undecidable?

214 views • 21 slides

An Introduction to Cancer Biology

Geoff Mitchell April 24, 2007. An Introduction to Cancer Biology. Learning Objectives. The students will be able to: Identify the 3 most prevalent cancers for a person of their gender Define cancer Explain why cancer is a genetic disease even though its heritability is rather low

637 views • 20 slides

David Evans cs.virginia/evans

Class 27: Modeling Computation. David Evans http://www.cs.virginia.edu/evans. CS200: Computer Science University of Virginia Computer Science. Halting Problem.

251 views • 17 slides

David Evans cs.virginia/evans

Class 27: Modeling Computation. David Evans http://www.cs.virginia.edu/evans. CS200: Computer Science University of Virginia Computer Science. Halting Problem.

174 views • 17 slides

David Evans cs.virginia/evans

Lecture 26: Proving Uncomputability. David Evans http://www.cs.virginia.edu/evans. Visualization of E8. CS150: Computer Science University of Virginia Computer Science. The Halting Problem. Input: a specification of a procedure P

250 views • 15 slides