On Ultradifferentiable Regularity of Perturbations by Lower Order Terms of Globally C∞ Hypoelliptic Ultradifferentiable Pseudodifferential Operators

被引:0
|
作者
Ferra, Igor Ambo [1 ]
Petronilho, Gerson [2 ]
机构
[1] Univ Fed ABC, Ctr Matemat Computacao & Cognicao, Alameda Univ s-n,Bairro Anchieta, BR-09606045 Sao Bernardo Do Campo, SP, Brazil
[2] Univ Fed Sao Carlos, Dept Matemat, Sao Carlos, SP, Brazil
基金
巴西圣保罗研究基金会;
关键词
Ultradifferentiable pseudodifferential operators; Global hypoellipticity; Global hypoellipticity with loss of derivatives; Lower order perturbations;
D O I
10.1007/s00041-023-10057-9
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We prove M-regularity for a class of pseudodifferential operators in ultradifferentiable classes defined on the torus Tm+n which are globally C-infinity hypoelliptic. The same property is also valid for certain perturbations of these operators by lower order terms.
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页数:21
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