A rotation invariant differential equation for vector fields

H. M. Reimann

Displaying similar documents to “A rotation invariant differential equation for vector fields”

Corrigendum to the paper "On a theorem of Bauer and some of its applications" (Acta Arithmetica 11 (1966), pp. 333-344)

Andrzej Schinzel (1967)

Acta Arithmetica

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Some characterizations of the n-dimensional Peano derivative

Isreal Zirman (1978)

Studia Mathematica

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Some more Steinhaus type theorems over valued fields

P.N. Natarajan (1999)

Annales mathématiques Blaise Pascal

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A comparison theorem for the Levi equation

Giovanna Citti (1993)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

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We prove a strong comparison principle for the solution of the Levi equation $L (u) = \sum_{i = 1}^{n} ((1 + u_{t}^{2}) (u_{x_{i} x_{i}} + u_{y_{i} y_{i}}) + (u_{x_{i}}^{2} + u_{y_{i}}^{2}) u_{t t} + 2 (u_{y_{i}} - u_{x_{i}} u_{t}) u_{x_{i} t} - 2 (u_{x_{i}} + u_{y_{i}} u_{t}) u_{y_{i} t} + k (x, y, t) (1 + | D u |^{2})^{3 / 2} = 0$ , applying Bony Propagation Principle.

On the representation of fields as finite unions of subfields

Andrzej Białynicki-Birula, J. Browkin, Andrzej Schinzel (1959)

Colloquium Mathematicae

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Homogeneous Besov spaces on locally compact Vilenkin groups

C. Onneweer, Su Weiyi (1989)

Studia Mathematica

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On subharmonicity inequalities involving solutions of generalized Cauchy-Riemann equations

R. Coifman, Guido Weiss (1970)

Studia Mathematica

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Properties of the orthonormal Franklin system, II

Z. Ciesielski (1966)

Studia Mathematica

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Several characterizations for the special atom spaces with applications.

Geraldo Soares de Souza, Richard O&#039;Neil, Gary Sampson (1986)

Revista Matemática Iberoamericana

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The theory of functions plays an important role in harmonic analysis. Because of this, it turns out that some spaces of analytic functions have been studied extensively, such as H-spaces, Bergman spaces, etc. One of the major insights that has developed in the study of H-spaces is what we call the real atomic characterization of these spaces.