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math.RT2014
A contraction of the principal series by Berezin-Weyl quantization
Benjamin Cahen
We study a contraction of the principal series representations of a noncompact semisimple Lie group to the unitary irreducible representations of its Cartan motion group by means o…
math.RT2014
Contractions of Lie algebras with 2-dimensional generic coadjoint orbits
Daniel Beltita, Benjamin Cahen
We determine all the contractions within the class of finite-dimensional real Lie algebras whose coadjoint orbits have dimensions .