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机译:THE RANKS OF IDEALS IN VARIOUS TRANSFORMATION MONOIDS
Guizhou Normal Univ, Sch Math & Comp Sci, Guiyang, Guizhou, Peoples R China;
Univ Nova Lisboa, Dept Matemat, Fac Ciencias & Tecnol, P-2829516 Monte De Caparica, Caparica, Portugal;
Idempotent rank; Order-preserving; Orientation-preserving; Rank; Transformation;