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Analytic continuation of the resolvent of the Laplacian and the dynamical zeta function
Language
en
Article de revue
This item was published in
Analysis & PDE. 2010, vol. 3, n° 4, p. 427-489
Mathematical Sciences Publishers
English Abstract
Let $s_0 < 0$ be the abscissa of absolute convergence of the dynamical zeta function $Z(s)$ for several disjoint strictly convex compact obstacles $K_i \subset \R^N, i = 1,\ldots, \kappa_0,\: \ka_0 \geq 3,$ and let ...Read more >
Let $s_0 < 0$ be the abscissa of absolute convergence of the dynamical zeta function $Z(s)$ for several disjoint strictly convex compact obstacles $K_i \subset \R^N, i = 1,\ldots, \kappa_0,\: \ka_0 \geq 3,$ and let $R_{\chi}(z) = \chi (-\Delta_D - z^2)^{-1}\chi,\: \chi \in C_0^{\infty}(\R^N),$ be the cut-off resolvent of the Dirichlet Laplacian $-\Delta_D$ in $\Omega = \overline{\R^N \setminus \cup_{i = 1}^{k_0} K_i}$. We prove that there exists $\sigma_1 < s_0$ such that $Z(s)$ is analytic for $\Re (s) \geq \sigma_1$ and the cut-off resolvent $R_{\chi}(z)$ has an analytic continuation for $\Im (z) < - \sigma_1,\: |\Re (z)| \geq C > 0.$Read less <
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