A note on normal idempotents

2016/89/4 (3) — DOI: 10.5486/PMD.2016.7382 — pp. 441-448

Authors: Xiangfei Ni and Haizhou Chao

Abstract:

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Keywords: regular semigroup, quasi-normal idempotent, normal idempotent

Mathematics Subject Classification: 20M10, 20M17