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Properties of the P...
Properties of the Pushforward Map on Test Functions, Measures and Distributions
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- Overgaard, Niels Christian (författare)
- Lund University,Lunds universitet,Partiella differentialekvationer,Forskargrupper vid Lunds universitet,Matematik LTH,Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Partial differential equations,Lund University Research Groups,Mathematics (Faculty of Engineering),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- ISBN 916285013X
- 2002
- Engelska 115 s.
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Serie: Doctoral Theses in Mathematical Sciences, 1404-0034
- Relaterad länk:
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https://lup.lub.lu.s...
Abstract
Ämnesord
Stäng
- The subject of this thesis is the pushforward map on compactly supported distributions induced by a smooth mapping. Being the adjoint of the natural pullback operation on the class of smooth functions, the pushforward map is always well-defined, and as such it must be regarded as one of the fundamental operations of distribution theory. This thesis has two main aims: The first of these is to give a clear exposition of the properties of the pushforward map associated with a smooth map between open subsets of Euclidean space. The second aim is to investigate the connection between the pushforward by a function f and the asymptotic behavior at infinity of oscillatory integrals with f as phase function. Particular attention will be paid to Palamodov's conjecture (in the category of smooth functions), to which we give some partial answers.
Ämnesord
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
Nyckelord
- Matematik
- Mathematics
- wavefront sets.
- oscillatory integrals
- Bernstein-Sato polynomials
- Palamodov's conjecture
- image directe
- Pushforward map
- pullback map
- Mathematical logic
- set theory
- combinatories
- Matematisk logik
- mängdlära
- kombinatorik
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