Publications 1990 - 1994
U. Haagerup and E. Størmer, Equivalence of normal states on von Neumann algebras and the flow of weights, Advances in Math. 83, 180-262 (1990).
U. Haagerup and E. Størmer, Pointwise inner automorphisms of von Neumann algebras, Journ. Funct. Analysis 92, 177-201 (1990).
U. Haagerup, On convex combinations of unitaty operators in C*-algebras, pp. 1-13 in "Mappings of Operator Algebras", Proceedings of the Japan-US joint Seminar, University of Pennsylvania 1988, Progress in Math. 84, Birkhauser (1990).
U. Haagerup and E. Størmer, Automorphisms which preserves unitary equivalence classes of normal states, proc. Symp. Pure. Math. 51, part 1, pp. 531-537, Amer. Math. Soc. (1990).
J. Anderson, B. Blackadar and U. Haagerup, Minimal projections in the reduced C*-algebra of Zn * Zm, Journ. Operator Theory 26, 3-23 (1991).
U. Haagerup and P. De la Harpe, The numerical radius of a nilpotent bounded operator on a Hilbert space, Proc. Amer. Math. Soc. 115, 371-379 (1992).
U. Haagerup and M. Rørdam, C*-algebras of unitary rank two, Journ. Operator Theory 30, 161-171 (1993).
U. Haagerup and G. Pisier, Bounded linear operators between C*-algebras, Duke Math. Journ. 71, 889-925 (1993).
U. Haagerup and E. Størmer, Pointwise inner automorphisms of injective factors, Journ. Funct. Analysis 122, 307-314. (1994).
U. Haagerup and J. Kraus, Approximation properties for group C*-algebras and group von Neumann algebras, Trans. Amer. Math. Soc. 344, 667-699 (1994).
U. Haagerup, Principal graphs of subfactors in the index range 4 < [M : N] < 3 + sqrt(2), pp. 1-38 in "Subfactors", Proceedings of the Tanigushi symposium on operator algebras, World Scientific (1994).
U. Haagerup and L. Zsido, Resolvent estimate for Hermitean operators and a related minimal extrapolation problem, Acta Math. (Szeged) 59, 503-524 (1994).