Brian Dorofaeff

Brian Dorofaeff
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Brian Dorofaeff

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Mathematics - Classical Analysis and ODEs (1)
Mathematics - Functional Analysis (1)

Publications Authored By Brian Dorofaeff

A locally compact group $G$ is said to be weakly amenable if the Fourier algebra $A(G)$ admits completely bounded approximative units. Consider the family of groups $G_n=SL(2,\Bbb R)\ltimes H_n$ where $n\ge 2$, $H_n$ is the $2n+1$ dimensional Heisenberg group and $SL(2,\Bbb R)$ acts via the irreducible representation of dimension $2n$ fixing the center of $H_n$. We show that these groups fail to be weakly amenable. Read More