Duba zuwa sashi na ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sashi: Passage: Za'a iya bayyana sararin samaniya ta hanyar amfani da tsarin pseudometrics, hanyar da ke da amfani musamman a cikin bincike na aiki (tare da pseudometrics da aka bayar ta hanyar seminorms). Ƙari daidai, bari f: X × X → R ya zama pseudometric a kan wani saiti X. Za a iya nuna hotuna masu juyawa Ua = f−1 (([0, a]) don a > 0 don samar da tsarin asali na ƙungiyoyi na daidaito. Daidaitaccen da aka samar da Ua shine daidaito da aka ƙayyade ta hanyar pseudometric f. Wasu mawallafa suna kiran sararin samaniya wanda aka ƙayyade a cikin yanayin sararin samaniya na pseudometrics. Tambaya: A ina za a iya amfani da sararin samaniya?
bincike na aiki