18.04.2013 Views

The.Algorithm.Design.Manual.Springer-Verlag.1998

The.Algorithm.Design.Manual.Springer-Verlag.1998

The.Algorithm.Design.Manual.Springer-Verlag.1998

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Intractable Problems and Approximations<br />

● Approximation algorithms guarantee answers that are always close to the optimal solution and can<br />

provide an approach to dealing with NP-complete problems.<br />

● Problems and Reductions<br />

● Simple Reductions<br />

❍ Hamiltonian Cycles<br />

❍ Independent Set and Vertex Cover<br />

❍ Clique and Independent Set<br />

● Satisfiability<br />

❍ <strong>The</strong> <strong>The</strong>ory of NP-Completeness<br />

❍ 3-Satisfiability<br />

● Difficult Reductions<br />

❍ Integer Programming<br />

❍ Vertex Cover<br />

● Other NP-Complete Problems<br />

● <strong>The</strong> Art of Proving Hardness<br />

● War Story: Hard Against the Clock<br />

● Approximation <strong>Algorithm</strong>s<br />

❍ Approximating Vertex Cover<br />

❍ <strong>The</strong> Euclidean Traveling Salesman<br />

● Exercises<br />

Next: Problems and Reductions Up: Techniques Previous: Implementation Challenges<br />

<strong>Algorithm</strong>s<br />

Mon Jun 2 23:33:50 EDT 1997<br />

file:///E|/BOOK/BOOK3/NODE104.HTM (2 of 2) [19/1/2003 1:27:46]

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!