Around 1952, the United Nations allowed the Arab refugee problem to become a protracted irritant both to the Arab states and to Israel. From 1949 to 1952 the Arab states steadfastly refused to consider peace negotiations with Israel unless all the Arab refugees were permitted to return to their former homes. Israel maintained that it was a false humanitarianism to promote repatriation when former homes no longer existed - to raise false hopes only to produce disillusionment.
Contains new results on different aspects of Lie theory, including Lie superalgebras, quantum groups, crystal bases, representations of reductive groups in finite characteristic, and the geometric Langlands program