On the Problem of Plateau / Subharmonic Functions - Ergebnisse Der Mathematik Und Ihrer Grenzgebiete. 1. Folge - T. Rado - Libros - Springer-Verlag Berlin and Heidelberg Gm - 9783540054795 - 4 de enero de 1971
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T. Rado
On the Problem of Plateau / Subharmonic Functions - Ergebnisse Der Mathematik Und Ihrer Grenzgebiete. 1. Folge

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A convex function f may be called sublinear in the following sense; if a linear function l is ::=: j at the boundary points of an interval, then l:> j in the interior of that interval also. If we replace the terms interval and linear junction by the terms domain and harmonic function, we obtain a statement which expresses the characteristic property of subharmonic functions of two or more variables. This ge­ neralization, formulated and developed by F. RIEsz, immediately at­ tracted the attention of many mathematicians, both on account of its intrinsic interest and on account of the wide range of its applications. If f (z) is an analytic function of the complex variable z = x + i y. then If (z) I is subharmonic. The potential of a negative mass-distribu­ tion is subharmonic. In differential geometry, surfaces of negative curvature and minimal surfaces can be characterized in terms of sub­ harmonic functions. The idea of a subharmonic function leads to significant applications and interpretations in the fields just referred to, and· conversely, every one of these fields is an apparently in­ exhaustible source of new theorems on subharmonic functions, either by analogy or by direct implication.

109 pages, biography

Medios de comunicación Libros     Paperback Book   (Libro con tapa blanda y lomo encolado)
Publicado 4 de enero de 1971
ISBN13 9783540054795
Editores Springer-Verlag Berlin and Heidelberg Gm
Páginas 109
Dimensiones 152 × 229 × 10 mm   ·   258 g
Lengua Inglés  

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