• Refer to R, p. 111 - 129
• Is the circuit on 5 vertices transitively orientable? Why or why not?
• Do interval graph problems on sheet handed out in class
• Do problems 4,5,6 on p. 135 of R

Quiz 5 - due Wednesday Feb. 13th

1. Do the problems on sheet handed out in class
2. Is the circuit on 5 vertices transitively orientable? Why or why not?