Results 101 to 110 of about 369,559 (294)

Finite deficiency indices and uniform remainder in Weyl's law [PDF]

, 2010
We give a proof that in settings where Von Neumann deficiency indices are finite the spectral counting functions of two different self-adjoint extensions of the same symmetric operator differ by a uniformly bounded term (see also Birman-Solomjak's ...
Hillairet, Luc
core   +2 more sources

A new search for distant radio galaxies in the southern hemisphere - I. Sample definition and radio properties

, 2007
This paper introduces a new program to find high-redshift radio galaxies in the southern hemisphere through ultra-steep spectrum (USS) selection. We define a sample of 234 USS radio sources with spectral indices alpha_408^843 < -1.0 and flux densities ...
Athreya, Barthel, Baugh, Blumenthal, Blundell, Blundell, Bock, Bornancini, Bower, Broderick, Burgess, Burgess, Carilli, Carilli, Chambers, Cohen, Cohen, Cole, Colless, Condon, Condon, Cruz, De Breuck, De Breuck, De Breuck, De Breuck, De Breuck, De Propris, E. M. Sadler, Eales, Fan, Fan, Fanaroff, Frater, Gardner, Gebhardt, Hambly, Inskip, J. J. Bryant, J. W. Broderick, Jarvis, Johnston-Hollitt, Jones, Kauffmann, Klamer, Krolik, Large, Lumsden, Matthews, Mauch, McGreer, McLure, Mesa, Mills, Mills, Neeser, O'Dea, Pentericci, R. W. Hunstead, Robertson, Rocca-Volmerange, Röttgering, Sault, Somerville, Spergel, T. Murphy, Thompson, Tielens, Tucci, Van Breugel, Van Breugel, Venturi, Willott   +72 more
core   +1 more source

Diffusion Spectrum Imaging Maps Early Axonal Loss and a Unique Progressive Signal in Neuronal Intranuclear Inclusion Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To delineate specific in vivo white matter pathology in neuronal intranuclear inclusion disease (NIID) using diffusion spectrum imaging (DSI) and define its clinical relevance. Methods DSI was performed on 42 NIID patients and 38 matched controls.
Kaiyan Jiang, Yixiu Pei, Xiaobao Hu, Ying Xiong, Fang Wang, Yanyan Yu, Min Zhu, Dandan Tan, Meihong Zhou, Daojun Hong, Fuqing Zhou   +10 more
wiley   +1 more source

Spectral Indices Enable Early Detection of Top Kill in Quaking Aspen (Populus tremuloides) Saplings Exposed to Varying Fire Intensity Levels

Remote Sensing
Spectral indices are widely used to assess vegetation fire severity following wildland fires. Although essential, ground-based assessments of how such indices change due to varying fire intensities remain limited, especially with deciduous tree species ...
Scott W. Rainsford, L. May Brown, Aaron M. Sparks, Savannah L. Swanson, Ren You, Henry D. Adams, Li Huang, David R. Wilson, Corbin W. Halsey, Alistair M. S. Smith   +9 more
doaj   +1 more source

Hotspot spectral indices

, 2016
In this contribution we present some interim results concerning the spectral indices of the hot-spots of high redshift radio galaxies and quasars. This work forms a part of the Distant DRAGNs Survey, a project to map at sub-kpc resolution a sample of z > 1.5 radio galaxies and quasars drawn from multiple flux-density-limited samples.
Sandell, M, Leahy, J
openaire   +1 more source

Spectral and Numerical Analysis of Hyper spectral Data using Vegetation Indices

International Journal of Engineering and Advanced Technology, 2019
Indian economy is majorly influenced by Agriculture and its allied sectors. More than 50% of the population of India is dependent on agriculture and its allied sectors for their survival. According to the Report of Indian Council of Agricultural Research, 30-35% of the crop yield gets wasted due to disease.
Nikhil M. Sapate*, Dr. R. R. Deshmukh
openaire   +1 more source

CX3CL1 in Early Detection of Alzheimer's Disease: Plasma Dynamics Across Age and Disease Stages

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Backgrounds Alzheimer's disease (AD) is characterized by amyloid‐beta plaques, tau tangles, and neuroinflammation. C‐X3‐C motif chemokine ligand 1 (CX3CL1, also known as fractalkine), a neuroimmune chemokine implicated in AD pathogenesis, shows inconsistent alterations in plasma/serum across studies.
Ling Wang, Yujie Liu, Fei Li, Xuelin Li, Lanlan Li, Jie Zhang, Yali Xu   +6 more
wiley   +1 more source

The novel triangular spectral indices for characterizing winter wheat drought

International Journal of Applied Earth Observations and Geoinformation
Agricultural drought threatens food security and agricultural sustainable development. There have been numerous spectral indices from remote sensing images developed for monitoring crop drought. However, most present spectral indices are focusing on crop
Fu Xuan, Hui Liu, JingHao Xue, Ying Li, Junming Liu, Xianda Huang, Zihao Tan, Mohamed A.M. Abd Elbasit, Xiaohe Gu, Wei Su   +9 more
doaj   +1 more source

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende, Emilien Petit, Young Woo Park, Sophie Tezenas du Montcel, James M. Joers, Jonathan M. DuBois, H. Moore Arnold, Michal Povazan, Ipek Özdemir, Guita Banan, Romain Valabregue, Philipp Ehses, Jennifer Faber, Chiadi U. Onyike, Peter B. Barker, Jeremy D. Schmahmann, Eva‐Maria Ratai, Sub H. Subramony, Thomas H. Mareci, Khalaf O. Bushara, Henry Paulson, Thomas Klockgether, Alexandra Durr, Tetsuo Ashizawa, Christophe Lenglet, Gülin Öz, READISCA Investigators   +26 more
wiley   +1 more source

Three-Dimensional Spectral Index-Driven Nondestructive Quantification of Chlorophyll in Winter Wheat: Cross-Phenology Extrapolation and Independent Validation

Agronomy
As a staple cereal worldwide, winter wheat plays a pivotal role in food security. Leaf chlorophyll serves as a direct indicator of photosynthetic performance and nitrogen nutrition, making it critical for precision management and yield gains ...
Zhijun Li, Wei Zhang, Zijun Tang, Youzhen Xiang, Fucang Zhang   +4 more
doaj   +1 more source