T. Kobayashi, Multiplicity in restricting minimal representations, Lie Theory and Its Applications in Physics. LT 2021 (V. Dobrev, ed.), Springer Proceedings in Mathematics & Statistics, vol. 396, Springer-Nature, 2023, pp. 3-20, DOI: 10.1007/978-981-19-4751-3_1. Available also at arXiv: 2204.05079..

We discuss the action of a subgroup on small nilpotent orbits, and prove a bounded multiplicity property for the restriction of minimal representations of real reductive Lie groups with respect to arbitrary reductive symmetric pairs.

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© Toshiyuki Kobayashi