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A Continuous Version of the Littlewood–Richardson Rule and Its Application to Invariant Subspaces

✍ Scribed by Hari Bercovici; Wing Suet Li; Thomas Smotzer


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
262 KB
Volume
134
Category
Article
ISSN
0001-8708

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✦ Synopsis


Let T be an operator of class C 0 and M be an invariant subspace for T. We find a relationship that must hold for the Jordan models of T, T | M and T * | M = . This relationship reduces to a theorem of Green when T is algebraic, and it involves a continuous extension of Littlewood Richardson sequences.


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A Closed Formula for the Rule of Littlew
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A rlosed formula for the rule of LITTLEW~OD/RICHARDSOX is given. By specialization closed formulas are gotten for the decomposition of representations of gZ( V) and pZ( V) resp. where V is a vector space (graduate vector space) over 6. Math. Nadir. 161 (1991) We order to this partion a YOUNG frame