The tenth edition of the Workshop on New Trends in Quaternions and Octonions - NTQO 2026 aims to present and discuss recent developments in the fields of quaternions and octonions, bringing together scientists from pure and applied mathematics, physics, scientific computing, engineering, and other related disciplines.

The workshop will take place at Iscte-Instituto Universitário de Lisboa on October 23-24 and will feature invited lectures and short communications. It will be held in a hybrid format to accommodate participants who may be unable to attend NTQO 2026 in person.

The event is jointly organized by the Center for Mathematical Analysis, Geometry and Dynamical Systems (CAMGSD-IST), Center for Research and Development in Mathematics of the University of Aveiro (CIDMA-UA), the Center of Mathematics of the University of Minho (CMAT-UMinho), and the Center of Mathematics and Applications of the University of Beira Interior (CMA-UBI).