The "9na Escuela de Matemática de América Latina y el Caribe" in Bolivia took place at Universidad Mayor de San Andrés in La Paz, located at an elevation of about 11,811 feet above sea level. The aims of the school were to put young students in contact with relevant topics of current interest and to encourage the most outstanding to continue postgraduate studies.

The East Asian Conference on Algebraic Topology (EACAT) is a biannual conference on the broad area of Algebraic Topology. The seventh conference of this series was held at IISER Mohali, India, during December 01-06, 2017. The conference was organised jointly by IISER Mohali and IIT Ropar. There were a total of 33 talks on various aspects of Algebraic Topology by experts from 07 countries. A proceedings of EACAT consisting of contributed articles by some speakers and some well-known topologists from the region is under preparation and will be published by Springer.

The CIMPA research school “Explicit Number Theory" was organized by CIMPA in conjunction with The University of the Witwatersrand. It was held at the University of the Witwatersrand from the 8th to the 19th of January 2018. Forty participants from 18 countries attended the conference including 16 from South Africa and 24 from other countries: 2 from Benin, Congo, Ghana, India, and Pakistan, 1 from Algeria, Austria, Croatia, Egypt, France, Japan, Israel, Ivory Coast, Mali, Perù, Saudi Arabia, Senegal, and Sudan.

The objectives of the 2017 International Summer School on Multi-scale Analysis Methods and Applications (ISSMAMA) were to introduce and explore various multi-scale analysis tools and discuss applications important in the current technology-driven economy, foster the interdisciplinary collaboration between student and researchers from Math, physics and engineering on the area of analysis of multi-scale phenomena, bring together the community of local and international like-minded peers, and encourage a vibrant scientific and cultural exchange. The conference was partially supported by the Ab

The XXII Latin American Algebra Colloquium took place in PUCE Quito (Ecuador) from 7. to 11. August 2017. The event was completely successful, being important in the Equadorian mathematical context. All plenary and thematic sessions took place as expected and the proceedings will be published as a special number of the Revista Colombiana de Matemáticas.

The aim of this conference was to bring various experts on the subject at one place and provide young number theorists an opportunity to learn the techniques in the subject. This four day conference was begun with a keynote talk on September 04, 2017 and end with a valedictory function on September 07, 2017. There were 15 sessions consisting of one keynote, 6 plenary, 12 invited and 12 young scholar's talks. The details about this conference is available on the conference web page.