{"title":"平面集合中Ext(X)群的确定","authors":"","doi":"10.1017/9781009023306.006","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":150570,"journal":{"name":"Notes on the Brown-Douglas-Fillmore Theorem","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Determination of Ext(X) as a Group for Planar Sets\",\"authors\":\"\",\"doi\":\"10.1017/9781009023306.006\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\",\"PeriodicalId\":150570,\"journal\":{\"name\":\"Notes on the Brown-Douglas-Fillmore Theorem\",\"volume\":\"2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-07-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Notes on the Brown-Douglas-Fillmore Theorem\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1017/9781009023306.006\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Notes on the Brown-Douglas-Fillmore Theorem","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1017/9781009023306.006","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}