24.12.2013 Views

Complexity of Online Algorithms - CSIS

Complexity of Online Algorithms - CSIS

Complexity of Online Algorithms - CSIS

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Relating the Adversaries<br />

Theorem (without pro<strong>of</strong>): [applicable for a general class<br />

<strong>of</strong> request-answer problems including paging]<br />

• If there is a randomized algorithm R that is -<br />

competitive against every adaptive online adversary,<br />

and there is a -competitive randomized algorithm<br />

against any oblivious adversary then R is (*) –<br />

competitive any adaptive <strong>of</strong>fline adversary.<br />

Implication (for paging): ??

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

Saved successfully!

Ooh no, something went wrong!