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標題: mapping [打印本頁]

作者: kwoklap 時間: 11-2-9 09:05 PM 標題: mapping

我地有集與集的mapping, 例如 f: R --->R
and 空間與空間的mapping, 例如 f: (X,d) ----> (Y,d') where X,Y are sets and d, d' are metrics

我想問有冇集與空間的mapping? thx

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