08.06.2015 Views

CS 598: Spectral Graph Theory: Lecture 3 - Corelab

CS 598: Spectral Graph Theory: Lecture 3 - Corelab

CS 598: Spectral Graph Theory: Lecture 3 - Corelab

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.

Example 1<br />

• Lemma1: Let G=(V,E) be a graph with some<br />

vertex w having degree d. Then<br />

max<br />

d<br />

• Lemma 2: We can also improve on that. Under<br />

same assumptions, we can show:<br />

max<br />

d 1<br />

Lemma 2 is tight, take star graph (ex)

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

Saved successfully!

Ooh no, something went wrong!