Quantum unique ergodicity and the number of nodal domains of eigenfunctions

Quantum unique ergodicity and the number of nodal domains of eigenfunctions
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量子唯一遍历性和本征函数的节点域数

DOI:
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发表时间:
2015
期刊:
影响因子:
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通讯作者:
Junehyuk Jung
Junehyuk Jung
中科院分区:
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文献类型:
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作者:
Seung uk Jang;Junehyuk Jung

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我们证明,随着特征值趋于 $+infty$,紧致算术三角形群的 Hecke--Maass 特征型具有越来越多的节点域。更一般地,对于负曲面上的本征函数,对于测地线对称性为偶数或奇数且量子唯一遍历性成立的本征函数也得到了证明。
We prove that the Hecke--Maass eigenforms for a compact arithmetic triangle group have a growing number of nodal domains as the eigenvalue tends to $+infty$. More generally the same is proved for eigenfunctions on negatively curved surfaces that are even or odd with respect to a geodesic symmetry and for which Quantum Unique Ergodicity holds.