t-invariant-online

The ongo­ing Russian inva­sion of Ukraine has led to a major human­i­tar­i­an cri­sis. At the time of this writ­ing, March 19, 2022, more than 3 mil­lion Ukrainians, includ­ing 1 mil­lion chil­dren, have fled to neigh­bor­ing coun­tries to escape the war. The remain­ing pop­u­la­tion of about 40 mil­lion is under direct attack. They need our imme­di­ate support! Russian cit­i­zens who oppose the war are sub­ject to arrest and per­se­cu­tion; over two hun­dred thou­sand are esti­mat­ed to have already left their coun­try. Many cit­i­zens of Belarus have left their own coun­try for sim­i­lar reasons. The war has inflict­ed immea­sur­able pain on the schol­ar­ly com­mu­ni­ty