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Estimating the eigenvalues on Quaternionic K\"ahler Manifolds

微分几何 2007-05-23 v2

摘要

We study geometric first order differential operators on quaternionic K\"ahler manifolds. Their principal symbols are related to the enveloping algebra and Casimir elements for \Sp(1)\Sp(n)\Sp(1)\Sp(n). This observation leads to anti-symmetry of the principal symbols and Bochner-Weitzenb\"ock formulas for operators. As an application, we estimate the first eigenvalues of them.

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引用

@article{arxiv.math/0405384,
  title  = {Estimating the eigenvalues on Quaternionic K\"ahler Manifolds},
  author = {Yasushi Homma},
  journal= {arXiv preprint arXiv:math/0405384},
  year   = {2007}
}

备注

32page. minor revision including new observations