Is St. Petersburg a good place for the 2022 Int. Congress of Mathematicians There might be just enough time to pick another location, but I am curious what mathematicians think. Will Ukrainian mathematicians be able to attend a conference in Russia if Russia no longer recognizes their passports?
To be clear: I love Russia, and I am not trying to hurt the feelings of Russian mathematicians or people.
The International Mathematical Union (IMU) have made a decision on moving the ICM to a virtual event, but there is still the (less exciting) decision to make concerning the location of IMU General Assembly.
 A: The real question is not about the Congress. There will be no ICM in Petersburg. Maximum what they can stage is a Russian-Chinese conference. Which decent Russians and Chinese will not attend anyway.
The real question is about moral character of the IMU leadership. It is they who made a decision to have this congress in the country which is controlled by a maniac mass murderer sitting on 5000+ nukes. Everyone knew what kind of country is this since 2014.
And even in these last two days, when bombs and missiles are falling on all major Ukrainian cities, the IMU committee is still "discussing" something!
Edit. Meanwhile, sports federations cancel all events in Russia and even tourist tour operators cancel their tours. Only IMU is still "deliberating".
Update: It seems that they finally decided.
A: The IMU reached their decision, the ICM will take place entirely virtually except for the IMU general assembly and awards ceremony which will take place in-person outside of Russia. No word on whether Russian government involvement in organizing will continue.  Further details to come.
Terry Tao, who is the chair of the ICM Structure Committee, is inviting discussion of how to best use the virtual format on his blog.
The IMU executive committee has released some further clarifications, including announcing that there will be no Russian government involvement in the ICM.
A: To answer the question in the title: "No."
And I would imagine that Ukrainian mathematicians would boycott any ICM held in Russia, in these times. So the question of whether Russia would honor their passports will probably not arise.
