*Complex Networks 2026* 15th International Conference on Complex Networks and Their Applications 📍 Granada 🗓 December 02–04, 2026 (Tutorials: December 01) 📝 Submission deadline: September 02, 2026 The website and submission system are now open. We invite original research contributions on theoretical foundations, methodological advances, and interdisciplinary applications of complex networks across data science, physics, computer science, mathematics, and the social sciences. Accepted papers will be published in the conference proceedings. Selected high-quality contributions will be invited to submit extended versions to special issues in journals such as: o Applied Network Science <https://appliednetsci.springeropen.com/> edited by Springer o Advances in Complex Systems <https://www.worldscientific.com/toc/acs/24/02> edited by World Scientific o Complex Systems <https://www.complex-systems.com/about/> o Entropy <https://www.mdpi.com/journal/entropy> edited by MDPI o PLOS COMPLEX SYSTEMS <https://journals.plos.org/complexsystems/> o PLOS <https://journals.plos.org/plosone/> one <https://journals.plos.org/plosone/> o Social Network Analysis and Mining <https://link.springer.com/journal/13278> edited by Springer Conference website: https://complexnetworks.org/ Submission portal: [https://cmt3.research.microsoft.com/COMPLEXNETWORKS2026/] <https://cmt3.research.microsoft.com/COMPLEXNETWORKS2026/> We look forward to welcoming the community to Granada in December 2026. The Organizing Committee Join us at COMPLEX NETWORKS 2026 <https://www.complexnetworks.org/> *-------------------------* Hocine CHERIFI Laboratoire* I*nterdisciplinaire *C*arnot de *B*ourgogne - ICB UMR 6303 CNRS Université Bourgogne Europe Editor in Chief Plos Complex Systems <https://plos.org/complex-systems-research-journal/#:~:text=PLOS%20Complex%20...> Founding & Adisory Editor Applied Network Science <https://appliednetsci.springeropen.com/> Editorial Board member IEEE ACCESS <https://ieeeaccess.ieee.org/?http%3A%2F%2Fieeeaccess_ieee_org%2F>, Scientific Reports <https://www.nature.com/srep/>, Journal of Imaging <https://www.mdpi.com/journal/jimaging>, Quality and Quantity <https://www.springer.com/journal/11135/>, Computational Social Networks <https://computationalsocialnetworks.springeropen.com/>, Complex Systems <https://www.complex-systems.com/> Evolutionary Intelligence <https://link.springer.com/journal/12065>