TY - JOUR ID - 685578 TI - On closedness of convolution of two sets JO - Mathematical Analysis and its Contemporary Applications JA - MACA LA - en SN - AU - Tabatabaie, Seyyed Mohammad AD - Department of Mathematics, University of Qom, Qom, Iran Y1 - 2021 PY - 2021 VL - 3 IS - 4 SP - 9 EP - 12 DO - 10.30495/maca.2021.1935853.1020 N2 - In this note, we give an abstract version of the fact that convolution of two closed and compact subsets of a hypergroup is a closed set. UR - https://www.macajournal.com/article_685578.html L1 - https://www.macajournal.com/article_685578_0667a5097e65cd0dc09860c42fe2a77f.pdf ER -