Higher dimensional generalization of the Benjamin‐Ono equation: 2D case
Higher dimensional generalization of the Benjamin‐Ono equation: 2D case
复制标题
本杰明·小野方程的高维推广:2D 情况
DOI:
10.1111/sapm.12448
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发表时间:
2021
影响因子:
2.7
通讯作者:
Yang, Kai
中科院分区:
文献类型:
--
作者:
Riaño, Oscar;Roudenko, Svetlana;Yang, Kai
We consider a higher‐dimensional version of the Benjamin‐Ono (HBO) equation in the 2D setting: , which is ‐critical, and investigate properties of solutions both analytically and numerically. For a generalized equation (fractional 2D gKdV) after deriving the Pohozaev identities, we obtain nonexistence conditions for solitary wave solutions, then prove uniform bounds in the energy space or conditional global existence, and investigate the radiation region, a specific wedge in the negative ‐direction. We then introduce our numerical approach in a general context, and apply it to obtain the ground state solution in the 2D critical HBO equation, then show that its mass is a threshold for global versus finite time existing solutions, which is typical in the focusing (mass‐)critical dispersive equations. We also observe that globally existing solutions tend to disperse completely into the radiation in this nonlocal equation. The blow‐up solutions travel in the positive ‐direction with the rescaled ground state profile while also radiating dispersive oscillations into the radiative wedge. We conclude with examples of different interactions of two solitary wave solutions, including weak and strong interactions.
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影响因子:
1.1
作者:
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通讯作者:
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影响因子:
1.4
作者:
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DOI:
10.1007/s00526-018-1383-1
发表时间:
2017
影响因子:
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通讯作者:
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影响因子:
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作者:
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DOI:
10.1090/s0002-9947-2012-05685-6
发表时间:
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影响因子:
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通讯作者:
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