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Corona Virus – Relevant information (as of April 16, 2021) for all scientists at the Max Planck Institute for Mathematics

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Updated Regulations from the German Government / NRW Government (valid from April 19, 2021):

During the pandemic, regulations are imposed by different sources. The German government imposes the overall rules but the governments of the individual Länder (states in Germany) as well as some cities have the freedom to impose regulations with regard to the particular situation of the area. Here we try to summarize the information relevant for our guests as best as possible and to keep it up to date. We assume no liability for this information and refer to the government websites for the official regulations:

NRW website (only in German), Federal Foreign Office's website, city of Bonn's website.

Bonn / NRW regulations

  • UPDATE: From Monday, April 19, 2021, it will no longer be possible to enter stores in Bonn that offer goods that go beyond everyday needs with a negative test result for the day. It will then remain within the framework of the emergency brake of the state of NRW for these stores to "click and collect", i.e. pick up ordered goods. Only grocery stores, drugstores, pharmacies and all stores that were previously allowed to enter without a negative test result will remain open.
  • UPDATE: From Monday, April 19, 2021, appointments at the city administration / city hall only possible with a negative test result from the same day (self-tests at home are not sufficient).
  • everyone can get tested for free once a week with a rapid test. It is not clear whether you have to be registered in Bonn to do this. Please find more information on where you can get tested here.
  • it is allowed that 5 people from 2 households meet
  • couples are considered as one household (regardless of their living arrangements)
  • schools and childcare centers are partially open
  • outdoor sport is allowed with up to 5 people from 2 households

Medical mask obligation

The new regulation states that it is obligatory to wear a medical mask in public transportation, stores and doctor's offices. Fabric masks are no longer adequate in these locations. Medical masks in the sense of this regulation are so-called surgical masks, masks of the standard FFP2 or masks comparable to these (KN95/N95).


(regulations from the North Rhine-Westphalia government)
In Germany the individual Länder are responsible for quarantine regulations (in our case NRW). The Länder have put in place their own regulations on the basis of a specimen regulation.
Travelers who are allowed to enter Germany (see below) and have visited a virus-variant area or risk area in the last ten days before entering Germany must register at before arriving in Germany and carry proof of registration with them upon entry. This obligation always applies to those entering the country who have previously stayed in a virus-variant area. Certain exceptions apply for previous stays in other risk areas and high incidence areas. In particular, those who have only passed through a risk area and have not had a stopover there are exempt.
As of March 30, 2021, all persons traveling to Germany by air will generally be required to present a negative Covid-19 test result prior to travel.

Entering/returning from a virus-variant area
There is a transport ban for virus-variant areas. Transport companies e.g. airlines or railroad companies, are not allowed to transport persons from these countries to Germany. Transportation is only possible in narrowly defined exceptional cases, in particular for persons with residence and existing right of residence in Germany, persons who are only transferring in a transit area of a commercial airport, and in a few other special cases. German nationals not resident in Germany should not be denied boarding.
In these exceptional cases, immediately after arrival, travelers are required to go into quarantine for 14 days (starting in the day of departure from one of these areas) and have to report to the Health Department if they show any symptoms. Furthermore, they have to submit a negative test result on entry which is not older than 48 hours. The quarantine cannot be terminated early by getting tested again.

Entering/returning from other risk areas
Travelers have to quarantine for 10 days. The quarantine can be avoided by getting tested for Covis-19 either 48 hours before or within 24 hours after entering Germany and getting a negative test result. A rapid test, "Corona-Schnelltest", is sufficient. You can get tested at airports, test centers, pharmacies or doctors at your own expense.

For arriving at the airports Cologne-Bonn (CGN) and Düsseldorf (DUS), the NRW regulations apply. For travelers who arrive at Frankfurt airport (FRA) the regulations could be different, as it is located in another federal state (Hessen), please check with your airline and with the official regulations of Hessen.

MPIM Mathematicians in Home Office. Research Continues Online

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While the members of the Max Planck Institute for Mathematics work from their home office, some seminars and research activities continue online. Please check the weekly program and the Bonn math calendar. The announcements there contain the access information. In addition, many of MPIM's researchers have set up virtual offices. Please contact the persons you would like to discuss with individually.

MPIM's library, IT services, and the administration remain open to institute members, some with reduced opening hours. Persons without MPIM access card cannot enter the institute until further notice.

Practical and administrative information for present and future visitors are on our Corona information web page.

Dennis Gaitsgory New Director at MPIM

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Dennis Gaitsgory is a newly appointed director at the Max Planck Institute for Mathematics in Bonn. He will join the three active directors Gerd Faltings, Peter Teichner, and Peter Scholze in July 2021.

Dennis Gaitsgory was Born in 1973 in Moldava, a republic of the Soviet Union at the time. He studied at Tel Aviv University under Joseph Bernstein from 1990–1996, where he received his doctorate in 1997 for a thesis on "Automorphic Sheaves and Eisenstein Series". In the academic years 1996/97 and 1998/99 he was at the Institute for Advanced Study in Princeton. In 2001 he became Associate Professor at the University of Chicago before joining the faculty of Harvard University in 2005.

Offene Stelle

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Das Max-Planck-Institut für Mathematik sucht für das Personalwesen zum nächstmöglichen
Zeitpunkt befristet für 2 Jahre eine(n)

                                Sachbearbeiter/in im Personalwesen (m/w/d)

Danica Kosanović Receives Hausdorff Memorial Prize

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Danica Kosanović is one of the two prize winners of the Hausdorff Memorial Prize for the best PhD thesis in mathematics at the University of Bonn in 2019/2020. In her thesis on “A geometric approach to the embedding calculus knot invariants”, which was supervised by Peter Teichner, she proved a 30 year old conjecture about invariants of classical knots.

From Bonn to... Berlin. Interview with Gaëtan Borot about his time at MPIM and his new position

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Gaëtan Borot studied at the ENS Paris and finished his PhD with Bertrand Eynard in theoretical physics at CEA Saclay in 2011. After two years as postdoc in Geneva and a visit of MIT, he joined the Max Planck Institute for Mathematics in 2014 as Advanced Researcher (W2). In the Fall of 2020 he has moved to a chair at the Humboldt University in Berlin. He is working on the combinatorial and algebraic structures of quantum field theory and is best known for his contributions to topological recursion for which he has received the Dubrovin Medal of 2020. Christian Blohmann had a conversation with him about his new position and his time in Bonn.

Blohmann: How is your new job?

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