@inproceedings{ABEFGM-RTNS25, author = {Alkoudsi, Ibrahim and Baruah, Sanjoy and Ekberg, Pontus and Fohler, Gerhard and Goossens, Jo{\"e}l and Moslehi, Maryam}, title = {Extending Periodic Task Sets with Sporadic Tasks: Computational Complexity and Exact Feasibility Tests}, booktitle = {Proceedings of the 33rd International Conference on Real-Time Networks and Systems (RTNS)}, year = {2025}, }