Search Results - "Bercovici, H."

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    Operators invariant relative to a completely nonunitary contraction by Bercovici, H., Timotin, D.

    Published in Mathematische Zeitschrift (01-12-2021)
    “…Given a contraction A on a Hilbert space H , an operator T on H is said to be A -invariant if ⟨ T x , x ⟩ = ⟨ T A x , A x ⟩ for every x ∈ H such that ‖ A x ‖ =…”
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    A new approach to subordination results in free probability by Belinschi, S. T., Bercovici, H.

    “…We show that the subordination results of D. Voiculescu and Ph. Biane can be deduced from a continuity property of fixed points for analytic…”
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    Extremal measures and clockwise overlays by Bercovici, H., Li, W.S., Truong, L.

    Published in Discrete mathematics (06-02-2014)
    “…We establish in full generality the correspondence between saturated Horn inequalities and clockwise overlays. This was known in generic cases by work of…”
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    Partially defined semigroups relative to multiplicative free convolution by Belinschi, S. T., Bercovici, H.

    Published in International Mathematics Research Notices (01-01-2005)
    “…Nica and Speicher have shown that every probability measure on the line belongs to a partial semigroup {μt : t ≥ 1} relative to additive free convolution…”
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    Characterization of singular numbers of products of operators in matrix algebras and finite von Neumann algebras by Bercovici, H., Collins, B., Dykema, K., Li, W.S.

    Published in Bulletin des sciences mathématiques (01-06-2015)
    “…We characterize in terms of inequalities the possible generalized singular numbers of a product AB of operators A and B having given generalized singular…”
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    Intersections of Schubert varieties and eigenvalue inequalities in an arbitrary finite factor by Bercovici, H., Collins, B., Dykema, K., Li, W.S., Timotin, D.

    Published in Journal of functional analysis (01-03-2010)
    “…The intersection ring of a complex Grassmann manifold is generated by Schubert varieties, and its structure is governed by the Littlewood–Richardson rule…”
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    The Horn Conjecture for Sums of Compact Selfadjoint Operators by Bercovici, H., Li, W. S., Timotin, D.

    Published in American journal of mathematics (01-12-2009)
    “…We determine the possible nonzero eigenvalues of compact selfadjoint operators A,$B^{(1)} $,$B^{(2)} $, ...,$B^{(m)} $with the roperty that$A = B^{(1)} +…”
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    The number of extremal components of a rigid measure by Angiuli, C., Bercovici, H.

    Published in Journal of combinatorial theory. Series A (01-10-2011)
    “…The Littlewood–Richardson rule can be expressed in terms of measures, and the fact that the Littlewood–Richardson coefficient is one amounts to a rigidity…”
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    Stable Laws and Domains of Attraction in Free Probability Theory by Bercovici, Hari, Pata, Vittorino, Biane, Philippe

    Published in Annals of mathematics (01-05-1999)
    “…In this paper we determine the distributional behavior of sums of free (in the sense of Voiculescu) identically distributed, infinitesimal random variables…”
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    A family of reductions for Schubert intersection problems by Bercovici, H., Li, W. S., Timotin, D.

    Published in Journal of algebraic combinatorics (01-06-2011)
    “…We produce a family of reductions for Schubert intersection problems whose applicability is checked by calculating a linear combination of the dimensions…”
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    Confluent operator algebras and the closability property by Bercovici, H., Douglas, R.G., Foias, C., Pearcy, C.

    Published in Journal of functional analysis (01-06-2010)
    “…Certain operator algebras A on a Hilbert space have the property that every densely defined linear transformation commuting with A is closable. Such algebras…”
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