The following publications are possibly variants of this publication:
- Catalytic and purely catalytic P automata: control mechanisms for obtaining computational completenessRudolf Freund, Marion Oswald. ncma 2013: 133-150
- Variants of derivation modes for which purely catalytic P systems are computationally completeArtiom Alhazov, Rudolf Freund, Sergiu Ivanov 0001, Marion Oswald. TCS, 920:95-112, 2022. [doi]
- On the universality of purely catalytic P systemsLinqiang Pan, Gheorghe Paun. nc, 15(4):575-578, 2016. [doi]
- Promoters and Inhibitors in Purely Catalytic P SystemsArtiom Alhazov, Rudolf Freund, Sergey Verlan. membrane 2014: 126-138 [doi]
- When catalytic P systems with one catalyst can be computationally completeArtiom Alhazov, Rudolf Freund, Sergiu Ivanov 0001. jmemcom, 3(3):170-181, 2021. [doi]
- Purely Catalytic P Systems over Integers and Their Generative PowerArtiom Alhazov, Omar Belingheri, Rudolf Freund, Sergiu Ivanov 0001, Antonio E. Porreca, Claudio Zandron. membrane 2017: 67-82 [doi]