2005
DOI: 10.1090/s0002-9939-05-07839-1
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On commuting operators solving Gleason’s problem

Abstract: Abstract. We prove the uniqueness of commuting operators solving Gleason's problem for certain spaces of functions analytic in the unit ball.

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Cited by 13 publications
(5 citation statements)
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“…A uniqueness result for solutions of the Gleason problem somewhat different from that in Theorem 3.22 was obtained in [3]; rather than assuming that T is a contractive solution of the Gleason problem on M = H(K C,A ) contained isometrically in H Y (k d ) as in Theorem 3.22, Alpay and Dubi in [3] assume instead that T is a commutative solution of the Gleason problem and are then able to conclude that necessarily T = M * λ | M . This latter result can be seen as an immediate consequence of our Theorem 3.17 above since, by the construction in the proof of Theorem 3.21, solutions (C, A) of K a C,A = K are in one-to-one correspondence with solutions T of the Gleason problem.…”
Section: 3mentioning
confidence: 97%
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“…A uniqueness result for solutions of the Gleason problem somewhat different from that in Theorem 3.22 was obtained in [3]; rather than assuming that T is a contractive solution of the Gleason problem on M = H(K C,A ) contained isometrically in H Y (k d ) as in Theorem 3.22, Alpay and Dubi in [3] assume instead that T is a commutative solution of the Gleason problem and are then able to conclude that necessarily T = M * λ | M . This latter result can be seen as an immediate consequence of our Theorem 3.17 above since, by the construction in the proof of Theorem 3.21, solutions (C, A) of K a C,A = K are in one-to-one correspondence with solutions T of the Gleason problem.…”
Section: 3mentioning
confidence: 97%
“…, A d ) is not assumed to be commutative, there is no characterization of the abelianized observability gramian as a minimal solution of a generalized Stein equation analogous to the classical case given in Theorem 1.1, but there still is a somewhat more implicit analogue of Theorem 1.2, where the backward shift S * (1.9) in Theorem 1.2 is replaced by a solution of the so-called Gleason problem (see Theorems 3.20 and 3.21 below). The Gleason problem originates in the work of Henkin and Gleason (see [31,36]) and has been studied in the context of the Arveson space (with various formulas for the solution) in [3] with an application to realization questions in [2]. Our analogue of Theorem 1.2 for the Arveson space for the case of commutative d-tuple A has already been given in [19] (with a more general power-series setting worked out in [20]) for the finite-dimensional case.…”
Section: )mentioning
confidence: 99%
“…We would like to point out that the theory of contractively embedded backward shift invariant subspaces in reproducing kernel Hilbert spaces and the de Branges-Rovnyak models, in the setting of row contractions, are closely related to the Gleason's problem [1]. In this context, the reader should consult the papers by Alpay and Dubi [2], Ball and Bolotnikov [6], Ball, Bolotnikov and Fang [7,9], Ball, Bolotnikov and ter Horst [10,11], Benhida and Timotin [13] and Martin and Ramanantoanina [25].…”
Section: Row Contractions and Reproducing Kernel Hilbert Spacesmentioning
confidence: 99%
“…The argument follows the one given in the hyper-holomorphic setting in [12]. For an earlier result in the setting of power series in finite number of variables, see [6]. Note that in the theorem we do not assume the operator of multiplication by z k to be bounded.…”
mentioning
confidence: 97%