Spectral Invariants of Integrable Polygons
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| Názov: | Spectral Invariants of Integrable Polygons |
|---|---|
| Autori: | Mårdby, Gustav, 1999, Rowlett, Julie, 1978 |
| Zdroj: | Journal of Fourier Analysis and Applications. 31(6) |
| Predmety: | Polygonal billiard, Helmholtz equation, Zeta-regularized determinant, Laplace eigenvalues, Closed geodesic, Polygonal domain, Heat trace, Laplace spectrum, Spectral zeta function |
| Popis: | An integrable polygon is one whose interior angles are fractions of π; that is to say of the form π n for positive integers n. We consider the Laplace spectrum on these polygons with the Dirichlet and Neumann boundary conditions, and we obtain new spectral invariants for these polygons. This includes new expressions for the spectral zeta function and zeta-regularized determinant as well as a new spectral invariant contained in the short-time asymptotic expansion of the heat trace. Moreover, we demonstrate relationships between the short-time heat trace invariants of general polygonal domains (not necessarily integrable) and smoothly bounded domains and pose conjectures and further related directions of investigation. |
| Popis súboru: | electronic |
| Prístupová URL adresa: | https://research.chalmers.se/publication/549109 https://research.chalmers.se/publication/549109/file/549109_Fulltext.pdf |
| Databáza: | SwePub |
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| Items | – Name: Title Label: Title Group: Ti Data: Spectral Invariants of Integrable Polygons – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Mårdby%2C+Gustav%22">Mårdby, Gustav</searchLink>, 1999<br /><searchLink fieldCode="AR" term="%22Rowlett%2C+Julie%22">Rowlett, Julie</searchLink>, 1978 – Name: TitleSource Label: Source Group: Src Data: <i>Journal of Fourier Analysis and Applications</i>. 31(6) – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Polygonal+billiard%22">Polygonal billiard</searchLink><br /><searchLink fieldCode="DE" term="%22Helmholtz+equation%22">Helmholtz equation</searchLink><br /><searchLink fieldCode="DE" term="%22Zeta-regularized+determinant%22">Zeta-regularized determinant</searchLink><br /><searchLink fieldCode="DE" term="%22Laplace+eigenvalues%22">Laplace eigenvalues</searchLink><br /><searchLink fieldCode="DE" term="%22Closed+geodesic%22">Closed geodesic</searchLink><br /><searchLink fieldCode="DE" term="%22Polygonal+domain%22">Polygonal domain</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+trace%22">Heat trace</searchLink><br /><searchLink fieldCode="DE" term="%22Laplace+spectrum%22">Laplace spectrum</searchLink><br /><searchLink fieldCode="DE" term="%22Spectral+zeta+function%22">Spectral zeta function</searchLink> – Name: Abstract Label: Description Group: Ab Data: An integrable polygon is one whose interior angles are fractions of π; that is to say of the form π n for positive integers n. We consider the Laplace spectrum on these polygons with the Dirichlet and Neumann boundary conditions, and we obtain new spectral invariants for these polygons. This includes new expressions for the spectral zeta function and zeta-regularized determinant as well as a new spectral invariant contained in the short-time asymptotic expansion of the heat trace. Moreover, we demonstrate relationships between the short-time heat trace invariants of general polygonal domains (not necessarily integrable) and smoothly bounded domains and pose conjectures and further related directions of investigation. – Name: Format Label: File Description Group: SrcInfo Data: electronic – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/549109" linkWindow="_blank">https://research.chalmers.se/publication/549109</link><br /><link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/549109/file/549109_Fulltext.pdf" linkWindow="_blank">https://research.chalmers.se/publication/549109/file/549109_Fulltext.pdf</link> |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s00041-025-10202-6 Languages: – Text: English Subjects: – SubjectFull: Polygonal billiard Type: general – SubjectFull: Helmholtz equation Type: general – SubjectFull: Zeta-regularized determinant Type: general – SubjectFull: Laplace eigenvalues Type: general – SubjectFull: Closed geodesic Type: general – SubjectFull: Polygonal domain Type: general – SubjectFull: Heat trace Type: general – SubjectFull: Laplace spectrum Type: general – SubjectFull: Spectral zeta function Type: general Titles: – TitleFull: Spectral Invariants of Integrable Polygons Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Mårdby, Gustav – PersonEntity: Name: NameFull: Rowlett, Julie IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 15315851 – Type: issn-print Value: 10695869 – Type: issn-locals Value: SWEPUB_FREE – Type: issn-locals Value: CTH_SWEPUB Numbering: – Type: volume Value: 31 – Type: issue Value: 6 Titles: – TitleFull: Journal of Fourier Analysis and Applications Type: main |
| ResultId | 1 |
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