CONVERGENCE OF THE HEAT KERNEL AND THE RESOLVENT KERNEL ON DEGENERATING HYPERBOLIC RIEMANN SURFACES OF FINITE VOLUME
作者:
Jay Jorgenson,
Rolf Lundelius,
期刊:
Quaestiones Mathematicae
(Taylor Available online 1995)
卷期:
Volume 18,
issue 4
页码: 345-363
ISSN:1607-3606
年代: 1995
DOI:10.1080/16073606.1995.9631808
出版商: Taylor & Francis Group
关键词: 58Gl1;35K05;53C20
数据来源: Taylor
摘要:
Degeneration of an hyperbolic surface of finite volume (compact or non-compact) is precisely defined. Briefly, such a surface is continuously deformed so that the lengths of one or more simple, closed geodesics (called pinching geodesics) approach zero. In the limit, each pinching geodesic corresponds to two cusps on a well-defined limit surface. We prove here that the heat kernel on a degenerating surface converges to that of the limit surface. As a corollary, we obtain that the resolvent kernel also converges for a certain range of its spectral parameter.
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