Parameterized Fine-Grained Reductions. - Elli Anastasiadi; Antonis Antonopoulos; Aris Pagourtzis; Stavros Petsalakis (CoRR, 2019)

Approximating Subset Sum Ratio via Subset Sum Computations. - Giannis Alonistiotis; Antonis Antonopoulos; Nikolaos Melissinos; Aris Pagourtzis; Stavros Petsalakis; Manolis Vasilakis (IWOCA, 2022)

Completeness, approximability and exponential time results for counting problems with easy decision version. - Antonis Antonopoulos; Eleni Bakali; Aggeliki Chalki; Aris Pagourtzis; Petros Pantavos; Stathis Zachos (Theor. Comput. Sci., 2022)

Faster algorithms for k-subset sum and variations. - Antonis Antonopoulos; Aris Pagourtzis; Stavros Petsalakis; Manolis Vasilakis (J. Comb. Optim., 2023)

Approximating subset sum ratio via partition computations. - Giannis Alonistiotis; Antonis Antonopoulos; Nikolaos Melissinos; Aris Pagourtzis; Stavros Petsalakis; Manolis Vasilakis (Acta Informatica, 2024)

Agentic AI for Digital Twin. - Alexander Timms; Abigail Langbridge; Antonis Antonopoulos; Antonis Mygiakis; Eleni Voulgari; Fearghal O'Donncha (AAAI, 2025)

Approximation Schemes for k-Subset Sum Ratio and Multiway Number Partitioning Ratio. - Sotiris Kanellopoulos; Giorgos Mitropoulos; Antonis Antonopoulos; Nikos Leonardos; Aris Pagourtzis; Christos Pergaminelis; Stavros Petsalakis; Kanellos Tsitouras (CoRR, 2025)