{"title":"Weak weak approximation for certain quadric surface bundles","authors":"Nick Rome","doi":"10.1016/j.bulsci.2025.103601","DOIUrl":null,"url":null,"abstract":"<div><div>We investigate weak approximation away from a finite set of places for a class of biquadratic fourfolds inside <span><math><msup><mrow><mi>P</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>×</mo><msup><mrow><mi>P</mi></mrow><mrow><mn>3</mn></mrow></msup></math></span>, some of which appear in the recent work of Hassett–Pirutka–Tschinkel <span><span>[16]</span></span>.</div></div>","PeriodicalId":55313,"journal":{"name":"Bulletin des Sciences Mathematiques","volume":"201 ","pages":"Article 103601"},"PeriodicalIF":1.3000,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin des Sciences Mathematiques","FirstCategoryId":"100","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0007449725000272","RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATHEMATICS, APPLIED","Score":null,"Total":0}
引用次数: 0
Abstract
We investigate weak approximation away from a finite set of places for a class of biquadratic fourfolds inside , some of which appear in the recent work of Hassett–Pirutka–Tschinkel [16].