ZEROS OF EIGENFUNCTIONS OF SOME ANHARMONIC OSCILLATORS

ZEROS OF EIGENFUNCTIONS OF SOME ANHARMONIC OSCILLATORS
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一些非谐波振荡器的本征函数的零点

DOI:
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发表时间:
2006
期刊:
影响因子:
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通讯作者:
B. Shapiro
B. Shapiro
中科院分区:
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文献类型:
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作者:
A. Eremenko;A. Gabrielov;B. Shapiro

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研究了具有真实的偶多项式位势的二阶线性微分算子特征函数的复零点。对于四次势,我们证明了所有本征函数的零点都属于真实的和虚轴的并集。对于潜在的6度,我们分类的特征函数与许多零,并表明,在这种情况下,所有的零是真实的或纯虚的。
We study complex zeros of eigenfunctions of second order linear differential operators with real even polynomial potentials. For potentials of degree 4, we prove that all zeros of all eigenfunctions belong to the union of the real and imaginary axes. For potentials of degree 6, we classify eigenfunctions with finitely many zeros, and show that in this case too, all zeros are real or pure imaginary.