{"title":"在δ太阳","authors":"T. D. Narang, S. Tejpal","doi":"10.2298/PIM0897099N","DOIUrl":null,"url":null,"abstract":"We prove that an approximatively compact Chebyshev set in an M-space is a δ-sun and a δ-sun in a complete strong M-space (or externally convex M-space) is almost convex.","PeriodicalId":416273,"journal":{"name":"Publications De L'institut Mathematique","volume":"33 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"On δ-suns\",\"authors\":\"T. D. Narang, S. Tejpal\",\"doi\":\"10.2298/PIM0897099N\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We prove that an approximatively compact Chebyshev set in an M-space is a δ-sun and a δ-sun in a complete strong M-space (or externally convex M-space) is almost convex.\",\"PeriodicalId\":416273,\"journal\":{\"name\":\"Publications De L'institut Mathematique\",\"volume\":\"33 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Publications De L'institut Mathematique\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2298/PIM0897099N\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Publications De L'institut Mathematique","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2298/PIM0897099N","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
We prove that an approximatively compact Chebyshev set in an M-space is a δ-sun and a δ-sun in a complete strong M-space (or externally convex M-space) is almost convex.
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