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Tomek?BartoszynskiEmail author Andrzej?Nowik Tomasz?Weiss 《Israel Journal of Mathematics》2004,139(1):237-251
AssumeCH. There exists a strongly meager setX⊆2ω and a continuous functionF: 2ω → 2ω such thatF″ (X)=2ω. The analogous statement for the strong measure zero, the notion dual to strongly meager, is false.
The first author was partially supported by NSF grant DMS 9971282 and the Alexander von Humboldt Foundation.
The second author was partially supported by grant BW 5100-5-0231-2. 相似文献