Results 41 to 50 of about 259,092 (193)

Hankel and Toeplitz Determinants for a Subclass of q-Starlike Functions Associated with a General Conic Domain

open access: yesMathematics, 2019
By using a certain general conic domain as well as the quantum (or q-) calculus, here we define and investigate a new subclass of normalized analytic and starlike functions in the open unit disk U .
Hari M. Srivastava   +4 more
doaj   +1 more source

Hankel and Toeplitz determinants for a subclass of analytic functions

open access: yesМатематичні Студії, 2023
Let the function $f\left( z \right) =z+\sum_{k=2}^{\infty}a{_{k}}z {^{k}}\in A$ be locally univalent for $z \in \mathbb{D}% :=\{z \in \mathbb{C}:{|}z {|}
M. Buyankara, M. Çağlar
doaj   +1 more source

Toeplitz determinants with merging singularities [PDF]

open access: yesDuke Mathematical Journal, 2015
We study asymptotic behavior for determinants of $n\times n$ Toeplitz matrices corresponding to symbols with two Fisher-Hartwig singularities at the distance $2t\ge0$ from each other on the unit circle.
Claeys, T., Krasovsky, I.
openaire   +3 more sources

Hermitian–Toeplitz determinants for certain univalent functions

open access: yesAnalysis and Mathematical Physics, 2023
Sharp upper and lower bounds for the second and third order Hermitian-Toepilitz determinants are obtained for some generalized subclasses of starlike and convex functions. Applications of these results are also discussed for several widely known classes.
Giri, Surya, Kumar, S. Sivaprasad
openaire   +3 more sources

Inverses and Determinants of Toeplitz-Hessenberg Matrices [PDF]

open access: yesTaiwanese Journal of Mathematics, 2018
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Asymptotics of Toeplitz, Hankel, and Toeplitz+Hankel determinants with Fisher-Hartwig singularities [PDF]

open access: yesAnnals of Mathematics, 2011
43 pages, 3 figures, extended ...
Deift, P, Its, A, Krasovsky, I
openaire   +3 more sources

Signal Extraction and Clustering of Partial Discharge in Motor Insulation Using Temporal Correlation‐Based Clustering

open access: yesHigh Voltage, EarlyView.
ABSTRACT As one of the important links in energy transition and global energy interconnection, electric vehicles (EVs) are becoming increasingly major research topics in the field of energy. Partial discharge (PD) identification under repetitive impulsive voltages plays a pivotal role in evaluating the health of electric vehicle (EV) motor insulation ...
Li Wang   +7 more
wiley   +1 more source

Changes in External Developmental Assets Across Adolescence in Low‐Income Urban Youth

open access: yesSocial Development, Volume 35, Issue 4, November 2026.
ABSTRACT This study investigated longitudinal changes in external developmental assets (EDA)—support, empowerment, boundaries & expectations across ecological and interpersonal contexts of family, peers, school, and neighborhood—among predominantly Black, low‐income urban adolescents. A birth cohort of 367 adolescents (47% male) was assessed at ages 12,
Meeyoung O. Min   +3 more
wiley   +1 more source

A determinant formula for Toeplitz operators associated to a minimal flow

open access: yes
We define a determinant on the Toeplitz algebra associated to a minimal flow, give a formula for this determinant in terms of symbols, and show that this determinant can be used to give information about the algebraic $K$-theory of functions on the ...
Park, Efton
core   +4 more sources

Active Electromagnetic Interference Suppression for MRI and Proton Resonance Frequency Shift Thermometry During MRI‐Guided Microwave Ablation

open access: yesMagnetic Resonance in Medicine, Volume 96, Issue 4, Page 1572-1588, October 2026.
ABSTRACT Purpose To develop a software‐based active electromagnetic interference (EMI) suppression (AES) framework on whole‐body multi‐channel MRI systems for reliable MRI and MR thermometry during MRI‐guided microwave ablation (MWA). Methods In addition to primary imaging coils, an unloaded standard body array coil was positioned outside the imaging ...
Qing Dai   +5 more
wiley   +1 more source

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