Journal
MANUSCRIPTA MATHEMATICA
Volume 139, Issue 3-4, Pages 515-534Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00229-012-0538-1
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Funding
- Swiss National Science Foundation [PP00P2_128557]
- National Science Foundation [DMS 0605247]
- Woodrow Wilson National Fellowship Foundation
- Division Of Mathematical Sciences
- Direct For Mathematical & Physical Scien [0906168] Funding Source: National Science Foundation
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A result of Bangert states that the stable norm associated to any Riemannian metric on the 2-torus T (2) is strictly convex. We demonstrate that the space of stable norms associated to metrics on T (2) forms a proper dense subset of the space of strictly convex norms on . In particular, given a strictly convex norm || center dot ||(a) on we construct a sequence of stable norms that converge to || center dot ||(a) in the topology of compact convergence and have the property that for each r > 0 there is an such that || center dot || (j) agrees with || center dot ||(a) on for all j a parts per thousand yen N. Using this result, we are able to derive results on multiplicities which arise in the minimum length spectrum of 2-tori and in the simple length spectrum of hyperbolic tori.
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