The collar theorem and examples
- Cite this article as:
- Buser, P. Manuscripta Math (1978) 25: 349. doi:10.1007/BF01168048
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We generalize Randol's estimate of the length of cylinders in Riemann surfaces to arbitrary variable curvature and give examples with constant curvature to show that the bound is sharp.
© Springer-Verlag 1978