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A Generalized Gelfand Pair Attached to a 3-Step Nilpotent Lie Group
Journal of Fourier Analysis and Applications ( IF 1.2 ) Pub Date : 2020-07-24 , DOI: 10.1007/s00041-020-09772-4 Andrea L. Gallo , Linda V. Saal
Journal of Fourier Analysis and Applications ( IF 1.2 ) Pub Date : 2020-07-24 , DOI: 10.1007/s00041-020-09772-4 Andrea L. Gallo , Linda V. Saal
Let N be a nilpotent Lie group and K a compact subgroup of the automorphism group Aut(N) of N. It is well-known that if \((K < imes N,K)\) is a Gelfand pair then N is at most 2-step nilpotent Lie group. The notion of Gelfand pair was generalized when K is a non-compact group. In this work, we give an example of a 3-step nilpotent Lie group and a non-compact subgroup K of Aut(N) such that \((K < imes N,N)\) is a generalized Gelfand pair.
中文翻译:
附加到三步幂等李群的广义Gelfand对
让Ñ是幂零李群和ķ自同构组的一子组紧凑AUT(Ñ的)ñ。众所周知,如果\((K <imes N,K)\)是一个Gelfand对,则N最多为两步幂立李群。当K是一个非紧致基团时,将Gelfand对的概念推广。在这项工作中,我们给3步幂零李群和非紧凑子组的示例ķ的AUT(Ñ使得)\((K <输入法编辑器N,N)\)是广义的Gelfand对。
更新日期:2020-07-24
中文翻译:
附加到三步幂等李群的广义Gelfand对
让Ñ是幂零李群和ķ自同构组的一子组紧凑AUT(Ñ的)ñ。众所周知,如果\((K <imes N,K)\)是一个Gelfand对,则N最多为两步幂立李群。当K是一个非紧致基团时,将Gelfand对的概念推广。在这项工作中,我们给3步幂零李群和非紧凑子组的示例ķ的AUT(Ñ使得)\((K <输入法编辑器N,N)\)是广义的Gelfand对。