Results 171 to 180 of about 3,111,772 (368)

Lower bounds for the counting function of integral operators [PDF]

Operator Theory: Advances and Applications, Vol. 228 (2013), pp. 343-354, 2013
The paper presents a lower bound for the number of negative eigenvalues of an integral operator with continuous kernel K lying below a nonpositive number t. The estimate is given in terms of some integrals of K.
arxiv  

The Adjoint of a Differential Operator with Integral Boundary Conditions [PDF]

, 1965
Allan M. Krall
openalex   +1 more source

White Christian Nationalism in the Rural United States

New Directions for Adult and Continuing Education, EarlyView.
ABSTRACT Many scholars have sought to link the rise of right‐wing populist movements, like White Christian Nationalism (WCN), to the impacts of political‐economic structural changes, such as globalization and financialization. Although these structural changes may explain some grievances, they do not explain why people express those grievances in the ...
Leland L. Glenna
wiley   +1 more source

Commutators, Generalized Eigenfunction Expansions and Singular Integral Operators [PDF]

, 1966
Joel D. Pincus
openalex   +1 more source

Semi‐automated hippocampal avoidance whole‐brain radiotherapy planning

Journal of Applied Clinical Medical Physics, EarlyView.
Abstract Background Hippocampal avoidance whole‐brain radiotherapy (HA‐WBRT) is designed to spare cognitive function by reducing radiation dose to the hippocampus during the treatment of brain metastases. Current manual planning methods can be time‐consuming and may vary in quality, necessitating the development of automated approaches to streamline ...
Dong Joo Rhee, Subha Perni, Kelly J. Perrin, Kevin E. Casey, Alexandra O. Leone, Callistus M. Nguyen, Laurence E. Court, He Wang, Xin Wang, Eun Young Han   +9 more
wiley   +1 more source

Regular operators and spaces of harmonic functions with finite Dirichlet integral on open Riemann surfaces [PDF]

, 1968
Hiroshi Yamaguchi
openalex   +1 more source

Evaluating feature extraction reproducibility across image biomarker standardization initiative‐compliant radiomics platforms using a digital phantom

Journal of Applied Clinical Medical Physics, EarlyView.
Abstract Background The aim of this study was to thoroughly analyze the reproducibility of radiomics feature extraction across three Image Biomarker Standardization Initiative (IBSI)‐compliant platforms using a digital phantom for benchmarking. It uncovers high consistency among common features while also pointing out the necessity for standardization ...
Han‐Back Shin, Heesoon Sheen, Jang‐Hoon Oh, Young Eun Choi, Kihoon Sung, Hyun Ju Kim   +5 more
wiley   +1 more source

New Integral Operator for Analytic Functions

Journal of Function Spaces
Let Apn be the class of functions fz given by fz=zp+ap+nzp+n+ap+n+1zp+n+1+⋯ which are analytic in the open unit disk U. For fz∈Apn, new integral operators O−jfz and Ojfzj=0,1,2,⋯. are considered.
H. Özlem Güney, Shigeyoshi Owa, Adel A. Attiya   +2 more
doaj   +1 more source

Singular integral operators over a Hilbert space [PDF]

, 1968
Michael J. Fisher
openalex   +1 more source

Enhanced analysis of gating latency in 0.35T MR‐linac through innovative time synchronization of a motion phantom and plastic scintillation detector

Journal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose This study aims to evaluate how different gantry angles, breathing rates (BPM), cine image speeds, and tracking algorithms affect beam on/off latency and the subsequent impact on target dose for a 0.35T MR‐Linac with a 6 MV FFF beam.
Mateb Al Khalifa, Tianjun Ma, Haya Aljuaid, Siyong Kim, William Y. Song   +4 more
wiley   +1 more source