# Centre International de Rencontres Mathématiques
**Wikidata**: [Q32859637](https://www.wikidata.org/wiki/Q32859637)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Centre_International_de_Rencontres_Mathématiques)  
**Source**: https://4ort.xyz/entity/centre-international-de-rencontres-mathematiques

## Summary
The Centre International de Rencontres Mathématiques (CIRM) is a research institute founded in 1981 and located in the 9th arrondissement of Marseille, France. Jointly operated by the National Center for Scientific Research (CNRS) and Aix-Marseille University, it functions as a dedicated center for mathematical research and scientific meetings. The institute also maintains a significant digital presence, with a YouTube channel exceeding 31,900 subscribers.

## Key Facts
- **Full Name:** Centre International de Rencontres Mathématiques
- **Short Name:** CIRM
- **Entity Type:** Research Institute
- **Inception:** 1981
- **Location:** 9th arrondissement of Marseille, France
- **Street Address:** 163 Av de Luminy
- **Postal Code:** 13288
- **Coordinates:** Latitude 43.229991, Longitude 5.44308 (also recorded as 43.229965, 5.442937)
- **Parent Organizations:** National Center for Scientific Research (CNRS), Aix-Marseille University, Société Mathématique de France
- **CNRS Research Group IDs:** UMS822, UAR822
- **Website:** http://www.cirm-math.fr/
- **Social Media Handles:** Twitter (@_cirm), Facebook (cirmmath), Instagram (cirm.math)
- **Awards:** Charles Bortoli Prize (2020), CNRS Crystal Medal (2025)
- **YouTube Channel ID:** UCFqg88K7NWY2xjWB6CeRyAw
- **Subscriber Count:** 31,900 (as of March 23, 2025)

## FAQs
### Q: What is the primary purpose of the Centre International de Rencontres Mathématiques?
A: CIRM is a research institute dedicated to organizing mathematical conferences and research meetings. It serves as a venue for scientific collaboration rather than a degree-granting university.

### Q: Where is the institute located and what are its affiliations?
A: The institute is located at 163 Av de Luminy in Marseille, France. It is a joint unit of the CNRS and Aix-Marseille University and is a corporate member of the European Mathematical Society.

### Q: How can one access the institute's digital resources or social media?
A: The institute maintains a website at http://www.cirm-math.fr/ and active social media profiles on Twitter, Facebook, Instagram, and a YouTube channel with over 31,900 subscribers.

## Why It Matters
The Centre International de Rencontres Mathématiques plays a pivotal role in the global mathematical community by providing a specialized infrastructure for concentrated research and collaboration. Unlike universities that balance teaching with research, CIRM focuses exclusively on hosting "rencontres" (meetings), facilitating intensive exchange among mathematicians. Its recognition through awards like the CNRS Crystal Medal highlights its operational excellence, while its growing digital audience—surpassing 31,900 subscribers and 2.2 million video views—demonstrates its impact in disseminating mathematical knowledge to a global audience.

## Notable For
- **Joint Governance:** Operated collaboratively by the National Center for Scientific Research (CNRS), Aix-Marseille University, and the Société Mathématique de France.
- **Digital Reach:** Hosts a YouTube channel with over 31,900 subscribers and 2,216,201 total views.
- **Awards:** Recipient of the Charles Bortoli Prize (2020) and the CNRS Crystal Medal (2025).
- **Global Identification:** Indexed in multiple international authority files including VIAF, ISNI, and the Library of Congress.
- **Corporate Membership:** Holds membership status with the European Mathematical Society.

## Body

### Organizational Structure
CIRM is formally classified as a research institute. It operates under the supervision of multiple parent organizations: the National Center for Scientific Research (CNRS), Aix-Marseille University, and the Société Mathématique de France. Within the French research framework, it is assigned the structure ID 199220513L and is designated as a CNRS research group with codes UMS822 and UAR822. The institute is also a corporate member of the European Mathematical Society.

### Location and Contact
The institute is situated in the 9th arrondissement of Marseille, France. Its precise address is 163 Av de Luminy, with the postal code 13288. Geographic coordinates for the location are recorded at Latitude 43.229991, Longitude 5.44308. The official website is http://www.cirm-math.fr/.

### Research and Academic Identifiers
CIRM is cataloged extensively in academic and library systems worldwide. Key identifiers include:
- **HAL Structure ID:** 1845
- **ISNI:** 0000000121105408
- **VIAF ID:** 141402271
- **ROR ID:** 04e3d6y73
- **GND ID:** 2103960-4
- **Library of Congress Authority ID:** n88267599
- **CiNii Research ID:** 1140563741706003456
- **Google Knowledge Graph ID:** /g/11d_drqpnc

### Social Media and Digital Presence
The institute maintains an active digital footprint across several platforms. Its Twitter account (@_cirm) was established in May 2012. The YouTube channel, "Centre International de Rencontres Mathématiques" (ID: UCFqg88K7NWY2xjWB6CeRyAw), has tracked consistent growth:
- **2012:** Channel created (June 21)
- **2021:** 19,800 subscribers (July 3)
- **2022:** 23,900 subscribers (March 18)
- **2023:** 26,100 subscribers (March 22)
- **2024:** 28,600 subscribers (March 23)
- **2025:** 31,900 subscribers (March 23); 2,216,201 total views

Additional social media handles include "cirmmath" for Facebook and "cirm.math" for Instagram.

### Awards and Recognition
The institute has received notable accolades, specifically:
- **Charles Bortoli Prize:** Awarded in 2020.
- **CNRS Crystal Medal:** A collective award listed for 2025.

## References

1. [Source](https://euro-math-soc.eu/corporate-members-list?field_corporate_address_country=All&field_corp_type_value=All&items_per_page=All)
2. [Source](https://www.academie-sla-marseille.fr/pages/le-siege-de-l-academie/les-prix-academiques-1-1.html)
3. [Source](https://www.cnrs.fr/fr/actualite/medaille-de-cristal-collectif-2025)
4. Virtual International Authority File
5. CiNii Research
6. Google Knowledge Graph
7. French National Directory of Research Structures
8. HAL
9. ROR release v1.30
10. YouTube API