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International Union of Crystallography
Commission on Mathematical and Theoretical Crystallography

Universidad Nacional Mayor de San Marcos

International School on Fundamental Crystallography
Seventh MaThCryst school in Latin America

Lima, Peru, 12-16 August 2024

The Commission on Mathematical and Theoretical Crystallography is strongly committed to promote education in all the fundamental aspects of crystallography that nowadays are overlooked in common University courses. This mission is accomplished through a series of meetings in a wide range of regions. In February 2024 we organize a school in Lima following the previous schools in Havana, followed by schools in Montevideo, in Uberlândia, in La Plata. in Havana and in Bogotá.

The school was originally planned in November 2020, but due to the COVID19 outbreak in Latin America it has moved to August 2024.


* Online lecturer



Universidad Nacional Mayor de San Marcos


Morning session (3:30 hours):
Lectures 8:30 - 10:00
Coffee break: 10:00 10:30
Lectures 10:30 - 12:30
Lunch: 12:30 14:00
Afternoon session (4:00 hours):
Lectures 14:00 16:00
Coffee break: 16:00 16:30
Lectures 16:30 - 18:30

Scientific Program

1st Day, Monday, morning session:

8:30 - 8:40 Opening of the School
Lecturer Massimo Nespolo
Symmetry groups and types of symmetry in direct space. Bravais lattices, conventional and non-conventional unit cells. Symmetry of lattices and symmetry directions. Hermann-Mauguin symbols for point groups. Symmetry of crystallographic patterns: holohedries and merohedries. Crystal families, lattice systems and crystal systems.

1st Day: afternoon session

Lecturers Massimo Nespolo, Mois Aroyo

2nd Day, Tuesday, morning session:

Lecturer Mois Arroyo

2nd Day: afternoon session

Lecturer: Massimo Nespolo

3rd Day, Wednesday, morning session:

Lecturer Mois I. Aroyo

3rd Day: afternoon session:

Lecturer Mois I. Aroyo

4th Day, Thursday, morning session:

Lecturers Ernesto Estevez Rams, Maria Cristina Nonato

Poster session: Thursday, 16:00 -18:30

4th Day: afternoon session

Lecturer Leopoldo Suescun, Arbelio Penton-Madrigal, Ernesto Estevez Rams

5th Day, Friday, morning session:

Lecturer Gemma de la Flor Martin, tutor Leopoldo Suescun

5th Day: afternoon session

Lecturer Gemma de la Flor Martin, tutor Leopoldo Suescun

Closing lecture

Lecturer Maria Cristina Nonato


The official language of the school is English but the presence of Spanish speaking tutors familiarized in advance with the lectures will provid assistance to those needing it by translation or answering questions on the topic.

International Program Committee

Local Organizing Committee

Poster presentations

Participants will be able to present their research highlights as posters. Abstracts of poster presentations will be made available from this website after the end of the school.

Registration, accommodation and further details

Information available at the local website


For inquiries about the scientific program, please contact . For all inquiries about the organisation, please contact Prof. Justiniano Quispe, Universidad Nacional Mayor de San Marcos, Lima .

Statement on Gender Balance at the ISFC7 school

The ISFC7 school Organizing Committee fully supports and promotes gender equality in accordance with the IUCr policy.

We will ensure gender equality in our committees (including the Organizing Committee itself), among our lecturers and participants and pay special attention to the gender balance in evaluating bursary applications.

Our gender statistics on female participation in the schools conducted are shown in the following graph. In this context and in accordance with IUCr policies and according to the observed behavior, in the present school we will emphasize female participation. For further information, our gender equity and diversity advisor is MSc. Maria Luisa Cerón Loayza (e-mail: ).

Gender statistics MaThCryst schools Latin America

Further information can be found on the web site of IUCR’s Gender Equity and Diversity Committee GEDC. This page contains a code of conduct, a GEDC conference speaker statement and a toolkit for conference organisers.

Scientific Freedom Policy Statement

The Organizing Committee of ISFC7 school shall observe the basic policy of non-discrimination and affirms the right and freedom of scientists to associate in international scientific activity without regard to such factors as ethnic origin, religion, citizenship, language, political stance, gender, sex or age, in accordance with the Statutes of the International Council for Science. At ISFC7 school no barriers will exist which would prevent the participation of bona fide scientists.

Diversity, Equality and Inclusion Statement

We welcome all crystallographers and scientists working in related fields, regardless of their ethnic origin, race, citizenship, language, political views, gender, sex, sexual preferences, physical disabilities and age. We strive to create a culture of diversity, equality and inclusion.

Last updated: 3rd March 2024
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