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Topics in the Theory of Fourier Decoupling
Topics in the Theory of Fourier Decoupling
Topics in the Theory of Fourier Decoupling

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202104638
ISBN  
9798280771666
DDC  
510
저자명  
Johnsrude, Ben.
서명/저자  
Topics in the Theory of Fourier Decoupling
발행사항  
[Sl] : University of California, Los Angeles, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
239 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-12, Section: B.
주기사항  
Advisor: Tao, Terence Chi-Shen;Wang, Hong.
학위논문주기  
Thesis (Ph.D.)--University of California, Los Angeles, 2025.
초록/해제  
요약This thesis is concerned with understanding the average interference behavior of linear phases, whose frequencies are sampled from special subsets of space. Of particular interest are thin neighborhoods of submanifolds and subvarieties of Euclidean space, whose associated exponential sums may be interpreted to supply information about PDEs (e.g. the linear wave and Schrodinger equations), geometric measure theory, number theory, and additive combinatorics. The two central players are the restriction conjecture (relating the Lebesgue integrability classes of the Fourier transforms of functions f supported on submanifolds such as the unit sphere, to the integrability class of f itself) and decoupling theory (concerned with the extent to which functions sampled from distinct regions of frequency space may be understood as essentially orthogonal). The major novelty we present is an approach to mean value estimates through appealing to non-Archimedean analysis, via the route of proving decoupling theorems over non-Archimedean local fields such as the p-adic numbers ℚp.
일반주제명  
Mathematics
일반주제명  
Applied mathematics
일반주제명  
Theoretical mathematics
키워드  
Decoupling theory
키워드  
Fourier transforms
키워드  
Harmonic analysis
키워드  
Restriction
기타저자  
University of California, Los Angeles Mathematics 0540
기본자료저록  
Dissertations Abstracts International. 86-12B.
전자적 위치 및 접속  
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■035    ▼a(MiAaPQ)AAI32113623
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a510
■1001  ▼aJohnsrude,  Ben.
■24510▼aTopics  in  the  Theory  of  Fourier  Decoupling
■260    ▼a[Sl]▼bUniversity  of  California,  Los  Angeles▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a239  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-12,  Section:  B.
■500    ▼aAdvisor:  Tao,  Terence  Chi-Shen;Wang,  Hong.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  Los  Angeles,  2025.
■520    ▼aThis  thesis  is  concerned  with  understanding  the  average  interference  behavior  of  linear  phases,  whose  frequencies  are  sampled  from  special  subsets  of  space.  Of  particular  interest  are  thin  neighborhoods  of  submanifolds  and  subvarieties  of  Euclidean  space,  whose  associated  exponential  sums  may  be  interpreted  to  supply  information  about  PDEs  (e.g.  the  linear  wave  and  Schrodinger  equations),  geometric  measure  theory,  number  theory,  and  additive  combinatorics.  The  two  central  players  are  the  restriction  conjecture  (relating  the  Lebesgue  integrability  classes  of  the  Fourier  transforms  of  functions  f  supported  on  submanifolds  such  as  the  unit  sphere,  to  the  integrability  class  of  f  itself)  and  decoupling  theory  (concerned  with  the  extent  to  which  functions  sampled  from  distinct  regions  of  frequency  space  may  be  understood  as  essentially  orthogonal).  The  major  novelty  we  present  is  an  approach  to  mean  value  estimates  through  appealing  to  non-Archimedean  analysis,  via  the  route  of  proving  decoupling  theorems  over  non-Archimedean  local  fields  such  as  the  p-adic  numbers  ℚp.
■590    ▼aSchool  code:  0031.
■650  4▼aMathematics
■650  4▼aApplied  mathematics
■650  4▼aTheoretical  mathematics
■653    ▼aDecoupling  theory
■653    ▼aFourier  transforms
■653    ▼aHarmonic  analysis
■653    ▼aRestriction
■690    ▼a0405
■690    ▼a0364
■690    ▼a0642
■71020▼aUniversity  of  California,  Los  Angeles▼bMathematics  0540.
■7730  ▼tDissertations  Abstracts  International▼g86-12B.
■790    ▼a0031
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358287▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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