نتایج جستجو برای: jb algebra
تعداد نتایج: 71981 فیلتر نتایج به سال:
In this paper, the notion of operator means in setting JB-algebras is introduced and their properties are studied. Many identities inequalities established, most them have origins from operators on Hilbert space but they different forms connotations, proofs require techniques JB-algebras.
It is known, by Gelfand theory, that every commutative JB∗-triple admits a representation as space of continuous functions the form C0T(L)={a∈C0(L):a(λt)=λa(t),∀λ∈T,t∈L},where L principal T-bundle and T denotes unit circle in C. We provide full technical description all orthogonality preserving (non-necessarily nor bijective) linear maps between JB∗-triples. Among consequences this representati...
We study the points of strong subdifferentiability for the norm of a real JB∗-triple. As a consequence we describe weakly compact real JB∗-triples and rediscover the Banach-Stone Theorem for complex JB∗-triples.
BACKGROUND This study aimed to determine the risk of thromboembolic events in patients with junctional bradycardia(JB). METHODS We retrospectively reviewed electrocardiograms(ECGs) for 380,682 patients. Those with JB on an ECG at least twice over a ≥3-month interval were included for analysis. We additionally included 138 CHADS2 score-matched patients(age, 68.4 ± 15.7 years; male, 52.2%) in s...
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