J. Korean Math. Soc. 2006; 43(6): 1301-1324
Printed November 1, 2006
Copyright © The Korean Mathematical Society.
Yuncherl Choi
Kwangwoon University
The affine homogeneous hypersurface in $\mathbb R^{n+1}$, which is a graph of a function $F : \mathbb R^n \rightarrow \mathbb R$ with $|\det DdF| = 1$, corresponds to a complete unimodular left symmetric algebra with a nondegenerate Hessian type inner product. We will investigate the condition for the domain over the homogeneous hypersurface to be homogeneous through an extension of the complete unimodular left symmetric algebra, which is called the graph extension.
Keywords: affine homogeneous domain, graph extension, left symmetric algebra, Hessian structure
MSC numbers: Primary 53A15, 53C30, 17D25
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