Closure of an open ball in a metric space is not always corresponding closed ball
Автор: Dr. Cong
Загружено: 2020-07-16
Просмотров: 2061
Описание:
Using the discrete metric space on two points, we demonstrate that the closure of an open ball in a metric space is not always the corresponding closed ball.
0:00 Preliminary definitions
2:16 Euclidean metric on [0,1]
4:25 Discrete metric on {0,1}
#math #math #topology
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