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The total spin of the ground state is calculated in the U -> infinity Hubbardmodel with uniform magnetic flux perpendicular to a square lattice, in theabsence of Zeeman coupling. It is found that the saturated ferromagnetismemerges in a rather wide region in the space of the flux density \phi and theelectron density n_e. In particular, the saturated ferromagnetism at \phi = n_eis induced by the formation of a spin-1/2 boson, which is a composite of anelectron and the unit flux quantum.Comment: 4 pages, 3 figures; final versio

Saturated Ferromagnetism from Statistical Transmutation in Two Dimensions