Two Regularized Determinants of Laplacian through Resurgence theory
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
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2026
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| _version_ | 1866911649298907136 |
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| author | Shen, Wen Sun, Shanzhong |
| author_facet | Shen, Wen Sun, Shanzhong |
| contents | We study two types of regularizations of the determinant of Laplacian on Riemann manifold from the viewpoint of resurgence theory. One is the formal logarithmic derivative of the determinant, and the other is its exponential deformation. Under appropriate conditions, the close formulas for both regularized determinant are established through Borel-Laplace resummation which takes into account the contribution of the singularities along the analytic continuation of Theta series $\hatΘ_{D_X}$. The series resembles the trace of the heat kernel, but is defined via the spectrum of the square-root of the Laplacian. As applications, we revisit the well known formal logarithmic derivative of determinant on $S^1$ and compact Riemann surface with higher genus ($\geq2$) corresponding to the Poisson summation formula and Selberg trace formula respectively. Furthermore, the 1-Gevrey asymptotic behavior of the exponential deformation regularization at infinity is considered whose coefficients are determined by the trace of the heat kernel. In the end, we establish the relationship between the two regularized determinants. In fact, they have the same derivatives when the deformation parameter tends to $0$ in exponentially deformed regularization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_03960 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Two Regularized Determinants of Laplacian through Resurgence theory Shen, Wen Sun, Shanzhong Mathematical Physics Classical Analysis and ODEs Spectral Theory 11M36 (Primary) 11F72, 34M40, 58C40, 81Q10, 81Q20 (Secondary) We study two types of regularizations of the determinant of Laplacian on Riemann manifold from the viewpoint of resurgence theory. One is the formal logarithmic derivative of the determinant, and the other is its exponential deformation. Under appropriate conditions, the close formulas for both regularized determinant are established through Borel-Laplace resummation which takes into account the contribution of the singularities along the analytic continuation of Theta series $\hatΘ_{D_X}$. The series resembles the trace of the heat kernel, but is defined via the spectrum of the square-root of the Laplacian. As applications, we revisit the well known formal logarithmic derivative of determinant on $S^1$ and compact Riemann surface with higher genus ($\geq2$) corresponding to the Poisson summation formula and Selberg trace formula respectively. Furthermore, the 1-Gevrey asymptotic behavior of the exponential deformation regularization at infinity is considered whose coefficients are determined by the trace of the heat kernel. In the end, we establish the relationship between the two regularized determinants. In fact, they have the same derivatives when the deformation parameter tends to $0$ in exponentially deformed regularization. |
| title | Two Regularized Determinants of Laplacian through Resurgence theory |
| topic | Mathematical Physics Classical Analysis and ODEs Spectral Theory 11M36 (Primary) 11F72, 34M40, 58C40, 81Q10, 81Q20 (Secondary) |
| url | https://arxiv.org/abs/2605.03960 |