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arXiv 1407.0934math.RT
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几类对称对上不变分布的正则性

Regularity of some invariant distributions on nice symmetric pairs

Pascale Harinck

摘要:

J.~ Sekiguchi确定了半单对称对(g,h),称之为好对称对,其上不存在具有奇异支撑的非零不变特征分布。在这样的对上,我们研究了不变分布被Casimir算子的多项式湮没的正则性。我们证明了(gl(4,R),gl(2,R)*gl(2,R))上的不变本征分布是局部可积函数.

英文摘要:

J.~Sekiguchi determined the semisimple symmetric pairs (g,h), called nice symmetric pairs, on which there is no non-zero invariant eigendistribution with singular support. On such pairs, we study regularity of invariant distributions annihilated by a polynomial of the Casimir operator. We deduce that invariant eigendistributions on (gl(4,R),gl(2,R)*gl(2,R)) are locally integrable functions.

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