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单词 BergmanSpace
释义

Bergman space


Let Gn be a domain and letdV denote the Euclidean volume measure on G.

Definition.

Let

A2(G):={f holomorpic in G|G|f(z)|2𝑑V(z)<}.

A2(G) is called the Bergman space on G. The norm on this spaceis defined as

f:=G|f(z)|2𝑑V(z).

Further we define an inner product on A2(G) as

f,g:=Gf(z)g(z)¯𝑑V(z).

The inner product as defined above really is an inner product and furtherit can be shown that A2(G) is completePlanetmathPlanetmathPlanetmath since convergence in the above norm implies normal convergence (uniform convergenceMathworldPlanetmath oncompact subsets). The space A2(G) is therefore a Hilbert spaceMathworldPlanetmath.Sometimes this space is also denoted by La2(G).

References

  • 1 D’Angelo, John P.,CRC Press, 1993.
  • 2 Steven G. Krantz.,AMS Chelsea Publishing, Providence, Rhode Island, 1992.
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