# Is there a certificate definition for polyL?

Arora explained in his book a certificate definition for $\mathsf{NL}$ using a read-once tape. Can we apply a similar definition for the class $\mathsf{polyL}$?

• The question would be more useful if you provided a definition of the class $\mathsf{polyL}$. – Jan Johannsen Sep 9 '16 at 7:35