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机译:ALMOST NON-NEGATIVE CURVATURE AND RATIONAL ELLIPTICITY IN COHOMOGENEITY TWO
Department of Mathematics University of Notre Dame Notre Dame, IN 46556 (USA);
Department of Mathematics University of Münster Einsteinstrasse 62 48149 Münster (Germany);
Department of Mathematics Howard University 204 Academic Support Building B Washington, DC 20059 (USA);
Almost Non-negative Curvature; Rational ellipticity; Morse Theory; Cohomogeneity;