Please join us on December 16th, 17th, and 18th for the VIII Cosmological Olentzero Workshop, hosted at the University of the Basque Country (UPV/EHU), Bilbao. Our Christmas workshop will bring together leading experts in the fields of theoretical cosmology and topological defects, with this year's discussions focusing on the cosmological implications of domain walls and related models, particularly their role in the formation of primordial black holes (PBHs) and gravitational waves. We look forward to your participation in this exciting workshop.

We may have some availability for short contributed talks. If you are interested in presenting your work, please indicate this during the registration process. We will make an effort to accommodate as many presentations as possible, prioritizing those that align with the workshop’s main topics.