منابع مشابه
Monogenic Calculus as an Intertwining Operator
We revise a monogenic calculus for several non-commuting operators, which is defined through group representations. Instead of an algebraic homomorphism we use group covariance. The related notion of joint spectrum and spectral mapping theorem are discussed. The construction is illustrated by a simple example of calculus and joint spectrum of two non-commuting selfadjoint n× n matrices.
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We provide a new realization of the quantum cohomology ring of a flag variety as a certain commutative subalgebra in the cross product of the Nichols-Woronowicz algebras associated to a certain Yetter-Drinfeld module over the Weyl group. We also give a generalization of some recent results by Y.Bazlov to the case of the Grothendieck ring of a flag variety of classical type. Résumé. Nous fournis...
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We define a differential λμ-calculus which is an extension of both Parigot’s λμ-calculus and EhrhardRégnier’s differential λ-calculus. We prove some basic properties of the system: reduction enjoys ChurchRosser and simply typed terms are strongly normalizing.
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ژورنال
عنوان ژورنال: Transactions of the American Mathematical Society
سال: 1991
ISSN: 0002-9947
DOI: 10.2307/2001776