The aim of the meeting is to foster the interaction of researchers and students acting in this field in Brazil, and neighbouring countries, promoting cross collaboration among different institutions. The program of the workshop is composed of short talks and significant time for discussions, practical activities and hack sessions.

Topics include:

- Weak and Strong Lensing studies on galaxy and galaxy cluster scales
- Applications to cosmology and modified gravity tests
- The study of the lenses and of high-redshift galaxies
- Theoretical approaches and observational data in the whole electromagnetic spectrum
- Lensing of gravitational waves.

Format

This event will be fully hybrid, as the three previous editions. However, participation in person is strongly preferred. In particular, participants from the Rio de Janeiro area are expected to attend in person.

Registration

Please fill this form by September 28: https://tinyurl.com/IVLeGaC

Participants may request to present short talks. There will be no poster presentations.

Registration is free, but please let us know if you register and end up not coming. This will avoid unnecessary use of ink, paper, and food (for the coffee break).

Venue:

Centro Brasileiro de Pesquisas Físicas, 6th floor auditorium
Rua Dr. Xavier Sigaud, 150 - Botafogo, Rio de Janeiro
and
Zoom (link will be sent to registered participants)

Organizing committee: Ana Esteban Gutierrez (CBPF), Cristina Furlanetto (UFRGS), Eduardo Cypriano (IAG-USP), João Paulo França (IAG-USP & CBPF), Martin Makler (CBPF & UNSAM, chair)