The 4th Luso-Extremadurense Congress on Science and Technology (LEX26) will be held from 6 to 8 July 2026 at the Colégio do Espírito Santo, University of Évora, Évora, Portugal.

LEX26 is jointly organised by the School of Sciences and Technology of the University of Évora and the Faculty of Sciences of the University of Extremadura, Badajoz, Spain. The congress is a well-established international scientific event aimed at strengthening cross-border collaboration between Portuguese and Spanish research communities.

LEX26 brings together researchers, academics, and professionals from a broad spectrum of disciplines in science and technology, including fundamental sciences, engineering, natural sciences, and applied sciences. The congress provides a multidisciplinary forum for the presentation and discussion of original research, innovative methodologies, and emerging scientific and technological developments.

Topics of interest include, but are not limited to theoretical and experimental studies in the areas of:

• Mathematics

• • Pure
  • Applied
  • Computational
  • Data Science
  • Modeling

• Environmental sciences

• • Energy
  • Climate
  • Sustainability

• Fundamental sciences

• • Physics
  • Chemistry
  • Biology
  • Geology
  • Other related fields

• Applied sciences

• • Engineering Sciences and Industrial Applications
  • Material Science and Nanotechnology
  • Health sciences
  • Interdisciplinary and cross-cutting research in science and technology

LEX26 strongly encourages the participation of young researchers and PhD students, providing them with an excellent opportunity to present their work, receive feedback, and establish international collaborations.

The congress will take place in the historic city of Évora, a UNESCO World Heritage Site. More information about the city can be found here: World Heritage Site | Wikipedia.

The Organizing Committee cordially invites you to submit your contributions and to join us at LEX26 in Évora.