TY - JOUR AU - Wannusit, Sutasinee AU - Patthanangkoor, Poonchayar PY - 2019/05/17 Y2 - 2024/03/28 TI - On Inverse Semipolygroups JF - Thai Journal of Science and Technology JA - Thai J. Sci. Technol. VL - 8 IS - 4 SE - วิทยาศาสตร์กายภาพ DO - 10.14456/tjst.2019.40 UR - https://li01.tci-thaijo.org/index.php/tjst/article/view/189883 SP - 324-333 AB - <p><strong>Abstract</strong></p><p>In this paper, we introduce the notions of the inverse semipolygroup and the normal subsemipolygroup. Some properties of inverse semipolygroup and normal subsemipolygroup are described.&nbsp;</p><p><strong>Keywords:</strong> semipolygroup; inverse semipolygroup; normal subsemipolygroup</p> ER -