쌍위상공간상에서 Quasi semiopen집합의 성질을 알아보고, Quasi semiclosure을 이용하여 quasi semi연속이 될 필요충분 조건을 구해보았다.
In a bitopological space, the authors present a study of quasi semiopen sets and that of a property of a quasi semicontinuity by means of quasi semiclosure.
In a bitopological space, the authors present a study of quasi semiopen sets and that of a property of a quasi semicontinuity by means of quasi semiclosure.