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单词 FourierStieltjesAlgebraOfAGroupoid
释义

Fourier-Stieltjes algebra of a groupoid


Definition 0.1.

The Fourier-Stieltjes algebra of a groupoidPlanetmathPlanetmathPlanetmath, Gl.In ref. [3]), A.L.T. Paterson defined the Fourier-Stieltjes algebra of agroupoid, Gl, as the space of coefficients ϕ=(ξ,η), where ξ,η are
L-sectionsPlanetmathPlanetmathPlanetmathPlanetmathPlanetmathPlanetmathPlanetmath for some measurable Gl -Hilbert bundle (μ,,L). Thus, for xGl,

ϕ(x)=L(x)ξ(s(x),η(r(x))).(0.1)

Therefore, ϕ belongs to LGl=L(Gl,ν).

References

  • 1 A. Ramsay and M. E. Walter, Fourier-Stieltjes algebras of locally compact groupoidsPlanetmathPlanetmath,J. FunctionalMathworldPlanetmathPlanetmathPlanetmath Anal. 148: 314-367 (1997).
  • 2 A. L. T. Paterson, The Fourier algebra for locally compact groupoids., Preprint, (2001).
  • 3 A. L. T. Paterson, The Fourier-Stieltjes and Fourier algebras for locallycompact groupoids, (2003).
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