left topological groupright topological groupsemitopological groupparatopologi-cal grouptopological grouptopological semigroupfuzzy quasi-pseudo-b-metricinvariant fuzzy(quasi-)pseudo-b-met ric
Natural Science Foundation of Guangdong ProvinceInnovation Project of Department of Education of Guangdong Province
2021A15150103812022KTSCX145
2024