On Fixed Point Free Maps of the Complex Flag Manifold Michael Hoffman Indiana University Mathematics Journal 1984 text pdf 10.1512/iumj.1984.33.33012 10.1512/iumj.1984.33.33012 en Indiana Univ. Math. J. 33 (1984) 249 - 255 state-of-the-art mathematics http://iumj.org/access/