Results 31 to 40 of about 8,614,347 (174)

Berezin number inequalities in terms of Specht's

open access: yesEl-Cezeri Fen ve Mühendislik Dergisi, 2022
Smooth functions are associated with operators on Hilbert spaces of analytic functions through the Berezin transform. The Berezin symbol and the Berezin number of an operator A on the Hilbert functional space H(Ω) over some set Ω with the reproducing kernel are defined, respectively, by A ̃(μ)=〈A K_μ/K_μ ,K_μ/K_μ 〉,μ∈Ω and ber(A)=sup┬(μ∈Ω)⁡|A ̃(μ)|. By
Mehmet GÜRDAL, Hamdullah BAŞARAN
openaire   +1 more source

Berezin inequalities for sums of operators and classical inequalities concerning the Berezin radius

open access: yesVojnotehnički Glasnik
Introduction/purpose: In this article, the author’s goal is to seek to obtain new inequalities of the Berezin type. Methods: The methods used are standard for operator theory. Results: Various inequalities of the type given by Huban et al.
Mehmet Gürdal, Vuk N. Stojiljković
doaj   +1 more source

Conventional and Conformal Radiotherapy with and without Beam Intensity Modulation in Patients with Stage II Hodgkin’s Lymphoma with Supradiaphragmal Lesions

open access: yesКлиническая онкогематология, 2018
Aim. To increase the efficacy of chemo-radiotherapy in patients with stage II Hodgkin’s lymphoma (HL) with supradiaphragmal lesions by different fractionation (conventional fractionation [CF] and multi-fractionation [MF]) and various radiation volume ...
Yu. N. Vinogradova   +7 more
doaj   +1 more source

Cebysev's Type Inequalities and Power Inequalities for the Berezin Number of Operators

open access: yes, 2020
We give operator analogues of some classical inequalities, including Cebysev type inequality for synchronous and convex functions of selfadjoint operators in Reproducing Kernel Hilbert Spaces (RKHSs).
Garayev, Mubariz T., YAMANCI, Ulaş
core   +1 more source

Inequalities involving Berezin number and $ \alpha $-Berezin norm

open access: yesDiscrete and Continuous Dynamical Systems - S
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gao, Fugen, Hou, Mengyu
openaire   +1 more source

Süperkuadratik fonksiyonlar ve berezin sayı eşitsizlikleri = Superquadratic functions and berezin number inequalities /

open access: yes, 2021
Bu yüksek lisans tez çalışmasında üretici çekirdekli Hilbert uzayında bazı opeperatör ortalamalarının ve bazı klasik operatör eşitsizliklerinin kullanılması ile Berezin sembolü yönteminin bir uygulaması verilmiştir.
Duman, Nazan, 1992- author 221121   +2 more
core  

Inequalities of generalized Euclidean Berezin number

open access: yesFilomat, 2022
In this paper, we present several Berezin number inequalities involving extensions of Euclidean Berezin number for n operators. Among other inequalities for (T1,..., Tn) ? B(H) we show that berp p(T1,..., Tn) ? 1 2p ber (?n i=1 (|Ti| + |T* i|)p), where p > 1.
Fengsheng Chien   +3 more
openaire   +1 more source

Davis-Wielandt-Berezin radius inequalities via Dragomir inequalities

open access: yes, 2021
We consider operator A on the reproducing Kernel Hilbert space H = H (Ω) over some set Ω with the reproducing kernel Kλ (z)=K (z,λ) and define Davis-Wielandt-Berezin radius η (A) by the formula (formula presented) where à is the Berezin symbol of A ...
Najla Altwaijry   +7 more
core   +1 more source

Association of Prodromal Parkinson's Disease‐Like Features in Long COVID With Dream‐Enactment Behaviours

open access: yesJournal of Sleep Research, Volume 35, Issue 5, October 2026.
ABSTRACT Emerging evidence links COVID‐19 to the predisposition of Parkinson's disease (PD). However, the relationship between long COVID and prodromal PD‐like features remains unclear, particularly in long COVID participants with dream‐enactment behaviours (DEBs) that may be suggestive of possible REM sleep behaviour disorder.
Siyi Gong   +28 more
wiley   +1 more source

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