| other,13-1-J89-4003,ak | languages </term> obtained by adding <term> | reduplication | </term> to <term> context-free languages </term> | #20108 A model is presented to characterize the class of languages obtained by adding reduplication to context-free languages. | |
| other,12-2-J89-4003,ak | augmented with the ability to check <term> | reduplication | </term> by using the <term> stack </term> in | #20125 The model is a pushdown automaton augmented with the ability to check reduplication by using the stack in a new way. |
