A Direct Branching Algorithm for Checking the Equivalence of Two Deterministic Pushdown Transducers, one of which is Real-Time Strict

A new direct branching algorithm is presented for checking the equivalence of deterministic pushdown transducers, one of whose associated deterministic pushdown automata (DPDAs) is real-time strict. It is a straightforward extension of the corresponding algorithm for DPDAs (Tomita, 1982), and then proves the general applicability of our approach.