Yoshiaki Takata, Akira Onishi, Ryoma Senda, Hiroyuki Seki. A Subclass of Mu-Calculus with the Freeze Quantifier Equivalent to Register Automata. IEICE Transactions on Information & Systems. 2023. 106. 3. 294-302
Rindo Nakanishi, Yoshiaki Takata, Hiroyuki Seki. Pumping Lemmas for Languages Expressed by Computational Models with Registers. IEICE Transactions on Information & Systems. 2023. 106. 3. 284-293
Yoshiaki Takata, Ryoma Senda, Hiroyuki Seki. Reduction of Register Pushdown Systems with Freshness Property to Pushdown Systems in LTL Model Checking. IEICE Transactions on Information & Systems. 2022. 105-D. 9. 1620-1623
Ryoma Senda, Yoshiaki Takata, Hiroyuki Seki. Complexity results on register context-free grammars and related formalisms. Theoretical Computer Science. 2022. 923. 99-125