WAVE AND MAXWELL'S EQUATIONS IN CARNOT GROUPS

被引：14

作者：

Franchi, Bruno ^{[1
]}

Tesi, Maria Carla ^{[1
]}

机构：

[1] Univ Bologna, Dipartimento Matemat, Piazza Porta S Donato 5, I-40126 Bologna, Italy

来源：

COMMUNICATIONS IN CONTEMPORARY MATHEMATICS | 2012年 / 14卷 / 05期

关键词：

Carnot groups; differential forms; Maxwell's equations; wave equations; COMPENSATED COMPACTNESS; FUNDAMENTAL SOLUTION; DIFFERENTIAL FORMS; CONTACT COMPLEX; AREA FORMULA; OPERATORS; THEOREM; SPACES;

D O I：

10.1142/S0219199712500320

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

In this paper we define Maxwell's equations in the setting of the intrinsic complex of differential forms in Carnot groups introduced by M. Rumin. It turns out that these equations are higher-order equations in the horizontal derivatives. In addition, when looking for a vector potential, we have to deal with a new class of higher-order evolution equations that replace usual wave equations of the Euclidean setting and that are no more hyperbolic. We prove equivalence of these equations with the "geometric equations" defined in the intrinsic complex, as well as existence and properties of solutions.

引用

页数：62

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