演講公告

新聞標題：　( 2022-11-11 )

• 演講主題：Supertranslation invariance of angular momentum

• 主講人：王業凱教授 (國立陽明交通大學 應用數學系)

• 演講日期：2022年11月22日(二) 14:00 - 15:00

• 演講地點：(光復校區) 科學一館223室

• 摘要內容：
  

  Abstract
  
  LIGO's successful detection of gravitational waves has revitalized the theoretical understanding of the angular momentum carried away by gravitational radiation. An infinite-dimensional "supertranslation ambiguity" has presented an essential difficulty for studying angular momentum at null infinity. In this talk, we will present a definition of angular momentum in general relativity that is supertranslation invariant. The new definition of angular momentum is derived from the limit of the Chen-Wang-Yau quasilocal angular momentum. The talk is based on joint work with Po-Ning Chen, Jordan Keller, Mu-Tao Wang and Shing-Tung Yau.
  

• 相關檔案：Talk_1111122.pdf

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