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In this paper, we give several less restricted graft transformations that decrease the distance spectral radius, and determine the unique graph with minimum distance spectral radius among home-omorphically irreducible unicylic graphs on n \u2265 6 vertices, and the unique tree with minimum distance spectral radius among trees on n vertices with given number of vertices of degree two, respectively.<\/jats:p>","DOI":"10.1051\/ro\/2021085","type":"journal-article","created":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T19:02:12Z","timestamp":1622574132000},"page":"1757-1765","source":"Crossref","is-referenced-by-count":1,"title":["On graft transformations decreasing distance spectral radius of graphs"],"prefix":"10.1051","volume":"55","author":[{"given":"Yanna","family":"Wang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bo","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"250","published-online":{"date-parts":[[2021,6,22]]},"reference":[{"key":"R1","doi-asserted-by":"crossref","first-page":"301","DOI":"10.1016\/j.laa.2014.06.010","volume":"458","author":"Aouchiche","year":"2014","journal-title":"Linear Algebra App."},{"key":"R2","doi-asserted-by":"crossref","first-page":"2828","DOI":"10.1016\/j.laa.2011.04.041","volume":"435","author":"Bose","year":"2011","journal-title":"Linear Algebra App."},{"key":"R3","doi-asserted-by":"crossref","first-page":"2128","DOI":"10.1016\/j.laa.2012.06.008","volume":"437","author":"Bose","year":"2012","journal-title":"Linear Algebra App."},{"key":"R4","doi-asserted-by":"crossref","first-page":"S2561","DOI":"10.1051\/ro\/2020093","volume":"55","author":"Deng","year":"2021","journal-title":"RAIRO: OR"},{"key":"R5","doi-asserted-by":"crossref","first-page":"2495","DOI":"10.1002\/j.1538-7305.1971.tb02618.x","volume":"50","author":"Graham","year":"1971","journal-title":"Bell Syst. 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