It is an honor for the Editorial Committee to present the UMALCA Newsletter. We hope that this space will become a meeting point that fosters the exchange of ideas, strengthens networks, and promotes collaboration throughout our regional community. Three editions of this newsletter will be published annually. For 2026, the planned release dates are the first week of April, the first week of August, and the first week of December. We welcome and encourage all submissions!

UMALCA, the Mathematical Union of Latin America and the Caribbean, has supported the development of mathematical activities and associations throughout the region for 30 years. Recent initiatives include the UMALCA Seminar promoted by Orbita Mathematicae, the Seminar of the Commission for the Dissemination and Popularization of Mathematics, and the UMALCA–ICMAM Latin American Mathematics Seminar, as well as collaborations and agreements with various mathematical societies across Latin America and the Caribbean. This reflects the strong and fruitful cooperation among the different associations that promote mathematics in the region.