{"title":"度量空间闭像积的k度","authors":"Yoshio Tanaka","doi":"10.1016/0016-660X(78)90062-4","DOIUrl":null,"url":null,"abstract":"<div><p>The product of images, under closed maps of metric spaces need not be a k-space. In view of these maps, we shall give some necessary conditions for products to be k-spaces.</p></div>","PeriodicalId":100574,"journal":{"name":"General Topology and its Applications","volume":"9 2","pages":"Pages 175-183"},"PeriodicalIF":0.0000,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0016-660X(78)90062-4","citationCount":"6","resultStr":"{\"title\":\"On the k-ness for the products of closed images of metric spaces\",\"authors\":\"Yoshio Tanaka\",\"doi\":\"10.1016/0016-660X(78)90062-4\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The product of images, under closed maps of metric spaces need not be a k-space. In view of these maps, we shall give some necessary conditions for products to be k-spaces.</p></div>\",\"PeriodicalId\":100574,\"journal\":{\"name\":\"General Topology and its Applications\",\"volume\":\"9 2\",\"pages\":\"Pages 175-183\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1978-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0016-660X(78)90062-4\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"General Topology and its Applications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0016660X78900624\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"General Topology and its Applications","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0016660X78900624","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
On the k-ness for the products of closed images of metric spaces
The product of images, under closed maps of metric spaces need not be a k-space. In view of these maps, we shall give some necessary conditions for products to be k-spaces.
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