On the resolvent of the Laplacian on functions for degenerating surfaces of finite geometry

dc.creatorSchulze, Michael
dc.date2004-10-20
dc.date.accessioned2026-07-07T05:13:26Z
dc.date.available2026-07-07T05:13:26Z
dc.descriptionWe consider families of degenerating hyperbolic surfaces. The surfaces are geometrically finite of fixed topological type. Let Z(s) be the Selberg Zeta function of a surface, and let Z_d(s) be the contribution of the pinched geodesics to the Zeta function. Extending a result of Hejhal and Wolpert, we prove that the quotient of these two terms converges to the Zeta function of the limit surface for all arguments s with re(s)>1/2. The technique is an examination of resolvent of the Laplacian, which is composed from that for elementary surfaces via meromorphic Fredholm theory. The resolvent is shown to converge on the complement of the essential spectrum of the limit surface. We also use this property to define approximate Eisenstein functions and scattering matrices.
dc.description57 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/math/0410434
dc.identifierhttp://arxiv.org/abs/math/0410434
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/72939
dc.subjectDifferential Geometry
dc.subjectSpectral Theory
dc.subject58J50 (Primary) 11M36 (Secondary)
dc.titleOn the resolvent of the Laplacian on functions for degenerating surfaces of finite geometry
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