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We study a generalization of Weingarten model reduced to a point, whichbecomes the large-N reduced U(N) gauge theory in a special limit. We find thatthe U(1)^d symmetry is broken one by one, and restored simultaneously as U(1)^d-> U(1)^{d-1} -> ... -> U(1) -> 1 -> U(1)^d as we change the couplingconstants. In this model we can develop an efficient algorithm and we can seethe phase structure of large-N reduced model clearly, and therefore this modelwould be useful for the study of the unitary model.Comment: LaTeX-2e, 11 pages with 11 figures; typos correcte

Phase Structure of the Large-N Reduced Gauge Theory and the Generalized Weingarten Model